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Digital Counters

Digital counters are electronic circuits that can be used to count and keep track of the number of events or occurrences in a digital system. They are commonly used in digital systems to generate timing signals, to control sequencing, and to implement digital control functions.

Digital counters can be designed using various technologies, including transistor-transistor logic (TTL), complementary metal-oxide-semiconductor (CMOS), and field-programmable gate arrays (FPGAs). They can also be designed using various types of flip-flops, such as D flip-flops, JK flip-flops, and T flip-flops.

Digital counters can be classified into two main types: synchronous counters and asynchronous counters. Synchronous counters use a common clock signal to synchronize the operation of all the flip-flops in the counter. Asynchronous counters, on the other hand, do not use a common clock signal and rely on the propagation delay of the flip-flops to sequence their operation.

Digital counters can also be classified based on their counting sequence. They can count up, down, or both up and down, depending on the application. Up counters increment the count each time an input pulse is received, while down counters decrement the count each time an input pulse is received. Up-down counters can count both up and down, depending on the direction of the input signal.

Digital counters can be used in various applications, including frequency division, time delay generation, event counting, and sequence control. They can be used to generate timing signals for clocking digital circuits, to control the sequencing of operations in a digital system, and to implement digital control functions, such as shift registers and sequence generators.

Digital Counters

Available Parts 487

Part# Info Specs
Part RoHS Manufacturer Description Additional Features Count Direction Family JESD-30 Code JESD-609 Code Length Load Capacitance (CL) Load or Preset Input Logic IC Type Maximum Frequency At Nominal Supply Maximum I (ol) Operation Mode Moisture Sensitivity Level (MSL) No. of Bits No. of Functions No. of Terminals Maximum Operating Temperature Minimum Operating Temperature Output Characteristics Package Body Material Package Code Package Equivalence Code Package Shape Package Style (Meter) Packing Method Peak Reflow Temperature (C) Power Supplies (V) Maximum Power Supply Current (ICC) Propagation Delay (tpd) Qualification Schmitt Trigger Screening Level Maximum Seated Height Sub-Category Maximum Supply Voltage (Vsup) Minimum Supply Voltage (Vsup) Nominal Supply Voltage / Vsup (V) Surface Mount Technology Temperature Grade Terminal Finish Terminal Form Terminal Pitch Terminal Position Maximum Time At Peak Reflow Temperature (s) Trigger Type Width Minimum fmax
M74HC4040RM13TR by STMicroelectronics

M74HC4040RM13TR

STMicroelectronics

M74HC4040RM13TR by STMicroelectronics is a 12-bit digital counter with a max frequency of 24 MHz. Operating in asynchronous mode, it has a propagation delay of 220 ns and can handle load capacitance of 50 pF. Ideal for military-grade applications requiring precise counting and timing functions.

UP

HC/UH

R-PDSO-G16

e4

9.9 mm

50 pF

NO

BINARY COUNTER

20000000 Hz

4 Amp

ASYNCHRONOUS

3

12

1

16

125 Cel

-55 Cel

PLASTIC/EPOXY

SOP

SOP16,.25

RECTANGULAR

SMALL OUTLINE

TR

260

2/6

220 ns

Not Qualified

1.75 mm

Counters

6 V

2 V

4.5

YES

CMOS

MILITARY

Nickel/Palladium/Gold (Ni/Pd/Au)

GULL WING

1.27 mm

DUAL

30

NEGATIVE EDGE

3.9 mm

24 MHz

M74HC4024RM13TR by STMicroelectronics

M74HC4024RM13TR

STMicroelectronics

M74HC4024RM13TR by STMicroelectronics is a 7-bit digital counter with a max frequency of 28MHz. It operates on a supply voltage range of 2-6V and has a propagation delay of 180ns. Ideal for military-grade applications requiring asynchronous operation and negative edge triggering in compact designs.

UP

HC/UH

R-PDSO-G14

e4

8.65 mm

50 pF

NO

BINARY COUNTER

28000000 Hz

4 Amp

ASYNCHRONOUS

1

7

1

14

125 Cel

-55 Cel

PLASTIC/EPOXY

SOP

SOP14,.25

RECTANGULAR

SMALL OUTLINE

TR

260

2/6

180 ns

Not Qualified

1.75 mm

Counters

6 V

2 V

4.5

YES

CMOS

MILITARY

Nickel/Palladium/Gold (Ni/Pd/Au)

GULL WING

1.27 mm

DUAL

40

NEGATIVE EDGE

3.9 mm

34 MHz

HCF4024M013TR by STMicroelectronics

HCF4024M013TR

STMicroelectronics

HCF4024M013TR by STMicroelectronics is a 7-bit digital counter with a propagation delay of 360 ns and max frequency of 3.5 MHz. It operates in asynchronous mode, suitable for military-grade applications requiring negative edge trigger type and up count direction.

UP

4000/14000/40000

R-PDSO-G14

e4

8.65 mm

50 pF

YES

BINARY COUNTER

3500000 Hz

ASYNCHRONOUS

1

7

1

14

125 Cel

-55 Cel

PLASTIC/EPOXY

SOP

SOP14,.25

RECTANGULAR

SMALL OUTLINE

TR

260

5/15

360 ns

Not Qualified

1.75 mm

Counters

20 V

3 V

5

YES

CMOS

MILITARY

NICKEL PALLADIUM GOLD

GULL WING

1.27 mm

DUAL

30

NEGATIVE EDGE

3.9 mm

12 MHz

HCF4040M013TR by STMicroelectronics

HCF4040M013TR

STMicroelectronics

HCF4040M013TR by STMicroelectronics is a 12-bit digital counter with 360 ns propagation delay. Operating at a frequency of up to 3.5 MHz, it has a supply voltage range of 3-15V and can withstand temperatures from -55 °C to 125°C. Ideal for military-grade applications requiring asynchronous operation in compact spaces.

UP

4000/14000/40000

R-PDSO-G16

e4

9.9 mm

50 pF

NO

BINARY COUNTER

3500000 Hz

ASYNCHRONOUS

3

12

1

16

125 Cel

-55 Cel

PLASTIC/EPOXY

SOP

SOP16,.25

RECTANGULAR

SMALL OUTLINE

TR

3/15

360 ns

Not Qualified

1.75 mm

Counters

20 V

3 V

5

YES

CMOS

MILITARY

NICKEL PALLADIUM GOLD

GULL WING

1.27 mm

DUAL

NEGATIVE EDGE

3.9 mm

12 MHz

M74HC393RM13TR by STMicroelectronics

M74HC393RM13TR

STMicroelectronics

M74HC393RM13TR by STMicroelectronics is a digital counter with 4-bit resolution, operating at a max frequency of 28MHz. It features dual functions in a small outline package, suitable for military-grade applications requiring asynchronous operation. With a propagation delay of 345ns and negative edge trigger type, it offers reliable performance in temperature ranges from -55 °C to 125°C.

UP

HC/UH

R-PDSO-G14

e4

8.65 mm

50 pF

NO

BINARY COUNTER

28000000 Hz

4 Amp

ASYNCHRONOUS

1

4

2

14

125 Cel

-55 Cel

PLASTIC/EPOXY

SOP

SOP14,.25

RECTANGULAR

SMALL OUTLINE

TR

260

2/6

345 ns

Not Qualified

1.75 mm

Counters

6 V

2 V

4.5

YES

CMOS

MILITARY

NICKEL PALLADIUM GOLD

GULL WING

1.27 mm

DUAL

40

NEGATIVE EDGE

3.9 mm

33 MHz

SN74AS867FN by Texas Instruments

SN74AS867FN

Texas Instruments

SN74AS867FN by Texas Instruments is a TTL digital counter chip with 28 terminals in a square package. It operates synchronously at temperatures ranging from 0 to 70°C, featuring bidirectional count direction and load/preset input capability. Ideal for commercial applications requiring precise counting functions in electronic systems.

BIDIRECTIONAL

S-PQCC-J28

YES

BINARY COUNTER

SYNCHRONOUS

1

28

70 Cel

0 Cel

PLASTIC/EPOXY

QCCJ

LDCC28,.5SQ

SQUARE

CHIP CARRIER

Not Qualified

Counters

YES

TTL

COMMERCIAL

J BEND

1.27 mm

QUAD

SNJ54LS90W by Texas Instruments

SNJ54LS90W

Texas Instruments

SNJ54LS90W by Texas Instruments is a TTL digital counter with 3 bits, operating at 5V. It features a propagation delay of 50ns and can handle load capacitance of 15pF. Ideal for military applications due to MIL-PRF-38535 screening level, it offers negative edge trigger type and operates in asynchronous mode.

ONE FUNCTION HAS 1 BIT

UP

LS

R-GDFP-F14

9.21 mm

15 pF

YES

DECADE COUNTER

16000000 Hz

4 Amp

ASYNCHRONOUS

3

2

14

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DFP

FL14,.3

RECTANGULAR

FLATPACK

5

15 mA

50 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.5 V

4.5 V

5

YES

TTL

MILITARY

FLAT

1.27 mm

DUAL

NEGATIVE EDGE

6.285 mm

32 MHz

SNJ54LS90J by Texas Instruments

SNJ54LS90J

Texas Instruments

SNJ54LS90J by Texas Instruments is a TTL digital counter with 3 bits, 50 ns propagation delay, and 2 functions. It operates at a supply voltage of 5V and has a max frequency of 16 MHz. Ideal for military applications due to MIL-PRF-38535 screening level and negative edge trigger type.

ONE FUNCTION HAS 1 BIT

UP

LS

R-GDIP-T14

e0

19.56 mm

15 pF

DECADE COUNTER

16000000 Hz

8 Amp

ASYNCHRONOUS

3

2

14

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DIP

DIP14,.3

RECTANGULAR

IN-LINE

TUBE

NOT SPECIFIED

5

15 mA

50 ns

Not Qualified

MIL-PRF-38535

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

Tin/Lead (Sn/Pb)

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

NEGATIVE EDGE

7.62 mm

32 MHz

SNJ54290J by Texas Instruments

SNJ54290J

Texas Instruments

SNJ54290J by Texas Instruments is a TTL digital counter with 3 bits, 35 ns propagation delay, and operates at temperatures from -55 to 125°C. It features load/preset inputs, negative edge trigger type, and is ideal for military applications requiring a max supply voltage of 5.5V.

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

UP

TTL/H/L

R-CDIP-T14

19.56 mm

15 pF

YES

DECADE COUNTER

ASYNCHRONOUS

3

2

14

125 Cel

-55 Cel

CERAMIC, METAL-SEALED COFIRED

DIP

DIP14,.3

RECTANGULAR

IN-LINE

NOT SPECIFIED

5

42 mA

35 ns

Not Qualified

38535Q/M;38534H;883B

5.08 mm

Counters

5.5 V

4.5 V

5

NO

TTL

MILITARY

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

NEGATIVE EDGE

7.62 mm

16 MHz

SN74LS390DR by Texas Instruments

SN74LS390DR

Texas Instruments

SN74LS390DR by Texas Instruments is a TTL digital counter with 3 bits, 4 functions, and operates at a max frequency of 25 MHz. It has a propagation delay of 60 ns and is used in applications requiring asynchronous operation and negative edge triggering. The package style is small outline with gull wing terminals, suitable for surface mount assembly.

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

UP

LS

R-PDSO-G16

9.9 mm

15 pF

NO

DECADE COUNTER

25000000 Hz

8 Amp

ASYNCHRONOUS

3

4

16

70 Cel

0 Cel

PLASTIC/EPOXY

SOP

SOP16,.25

RECTANGULAR

SMALL OUTLINE

TR

NOT SPECIFIED

5

26 mA

60 ns

Not Qualified

1.75 mm

Counters

5.25 V

4.75 V

5

YES

TTL

COMMERCIAL

GULL WING

1.27 mm

DUAL

NOT SPECIFIED

NEGATIVE EDGE

3.9 mm

25 MHz

SNJ54LS390FK by Texas Instruments

SNJ54LS390FK

Texas Instruments

SNJ54LS390FK by Texas Instruments is a TTL digital counter with 3 bits, 60 ns propagation delay, and 4 functions. It operates at a supply voltage of 5V and has a max frequency of 25 MHz. Ideal for military applications due to MIL-PRF-38535 screening level and negative edge trigger type.

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

UP

LS

S-CQCC-N20

e0

8.89 mm

15 pF

DECADE COUNTER

25000000 Hz

8 Amp

ASYNCHRONOUS

3

4

20

125 Cel

-55 Cel

CERAMIC, METAL-SEALED COFIRED

QCCN

LCC20,.35SQ

SQUARE

CHIP CARRIER

TUBE

NOT SPECIFIED

5

26 mA

60 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.5 V

4.5 V

5

YES

TTL

MILITARY

Tin/Lead (Sn/Pb)

NO LEAD

1.27 mm

QUAD

NOT SPECIFIED

NEGATIVE EDGE

8.89 mm

25 MHz

SN54LS693J by Texas Instruments

SN54LS693J

Texas Instruments

SN54LS693J by Texas Instruments is a 4-bit synchronous digital counter with 3-STATE output. It operates on TTL technology with a propagation delay of 25 ns and can handle load capacitance of 45 pF. Ideal for military applications, it has a temperature range from -55 to 125 °C and requires a supply voltage b/w 4.5V to 5.5V.

REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS

UP

LS

R-CDIP-T20

24.195 mm

45 pF

YES

BINARY COUNTER

SYNCHRONOUS

4

1

20

125 Cel

-55 Cel

3-STATE

CERAMIC, METAL-SEALED COFIRED

DIP

DIP20,.3

RECTANGULAR

IN-LINE

NOT SPECIFIED

70 mA

25 ns

Not Qualified

5.08 mm

Counters

5.5 V

4.5 V

5

NO

TTL

MILITARY

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.62 mm

SN74LS693N by Texas Instruments

SN74LS693N

Texas Instruments

SN74LS693N by Texas Instruments is a 4-bit digital counter with synchronous operation. It features a propagation delay of 25 ns and operates on a nominal voltage of 5V. This TTL technology device has a max operating temperature of 70°C and is commonly used in applications requiring positive edge triggering and 3-STATE output characteristics.

REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS

UP

LS

R-PDIP-T20

24.325 mm

45 pF

YES

BINARY COUNTER

SYNCHRONOUS

4

1

20

70 Cel

0 Cel

3-STATE

PLASTIC/EPOXY

DIP

DIP20,.3

RECTANGULAR

IN-LINE

NOT SPECIFIED

70 mA

25 ns

Not Qualified

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

COMMERCIAL

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.62 mm

SNJ54LS697J by Texas Instruments

SNJ54LS697J

Texas Instruments

SNJ54LS697J by Texas Instruments is a 4-bit digital counter with 40 ns propagation delay, operating at a voltage range of 4.75V to 5.25V. It features load/preset inputs and operates in synchronous mode, suitable for military-grade applications requiring bidirectional counting up to 20 MHz with a max power supply current of 70 mA.

REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS

BIDIRECTIONAL

LS

R-GDIP-T20

e0

24.2 mm

45 pF

YES

BINARY COUNTER

24 Amp

SYNCHRONOUS

4

1

20

125 Cel

-55 Cel

3-STATE

CERAMIC, GLASS-SEALED

DIP

DIP20,.3

RECTANGULAR

IN-LINE

TUBE

70 mA

40 ns

Not Qualified

38535Q/M;38534H;883B

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

TIN LEAD

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

6.92 mm

20 MHz

SNJ54LS699J by Texas Instruments

SNJ54LS699J

Texas Instruments

SNJ54LS699J by Texas Instruments is a 4-bit digital counter with synchronous operation and positive edge trigger. It operates on a supply voltage range of 4.5V to 5.5V, with a max power supply current of 70mA at a max frequency of 20MHz. This military-grade TTL device features a propagation delay of 40ns and is ideal for bidirectional counting applications in harsh environments.

REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS

BIDIRECTIONAL

LS

R-CDIP-T20

24.195 mm

45 pF

YES

BINARY COUNTER

SYNCHRONOUS

4

1

20

125 Cel

-55 Cel

3-STATE

CERAMIC, METAL-SEALED COFIRED

DIP

DIP20,.3

RECTANGULAR

IN-LINE

NOT SPECIFIED

70 mA

40 ns

Not Qualified

38535Q/M;38534H;883B

5.08 mm

Counters

5.5 V

4.5 V

5

NO

TTL

MILITARY

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.62 mm

20 MHz

SN74LS69N by Texas Instruments

SN74LS69N

Texas Instruments

SN74LS69N by Texas Instruments is a TTL digital counter with 4 bits, 3 functions, and operates at a max frequency of 25 MHz. It has a propagation delay of 54 ns and is used for asynchronous counting applications in commercial temperature environments.

DIVIDE BY 2, DIVIDE BY 8 AND DIVIDE BY 16 FUNCTIONS

UP

LS

R-PDIP-T16

19.305 mm

30 pF

NO

BINARY COUNTER

ASYNCHRONOUS

4

3

16

70 Cel

0 Cel

PLASTIC/EPOXY

DIP

DIP16,.3

RECTANGULAR

IN-LINE

NOT SPECIFIED

54 mA

54 ns

Not Qualified

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

COMMERCIAL

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

NEGATIVE EDGE

7.62 mm

25 MHz

SNJ54LS93W by Texas Instruments

SNJ54LS93W

Texas Instruments

SNJ54LS93W by Texas Instruments is a TTL digital counter with 3 bits. It has a propagation delay of 70 ns and operates at a max frequency of 16 MHz. Ideal for military applications, this device features negative edge triggering and can handle up to 15 mA of power supply current.

ONE FUNCTION HAS 1 BIT

UP

LS

R-GDFP-F14

e0

9.21 mm

15 pF

BINARY COUNTER

16000000 Hz

8 Amp

ASYNCHRONOUS

3

2

14

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DFP

FL14,.3

RECTANGULAR

FLATPACK

TUBE

NOT SPECIFIED

5

15 mA

70 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.25 V

4.75 V

5

YES

TTL

MILITARY

Tin/Lead (Sn/Pb)

FLAT

1.27 mm

DUAL

NOT SPECIFIED

NEGATIVE EDGE

6.285 mm

32 MHz

SNJ54LS93J by Texas Instruments

SNJ54LS93J

Texas Instruments

SNJ54LS93J by Texas Instruments is a TTL digital counter with 3 bits, 70 ns propagation delay, and operates at a supply voltage of 5V. It is used in military applications due to MIL-PRF-38535 screening level, with a max frequency of 16 MHz for counting up asynchronously.

ONE FUNCTION HAS 1 BIT

UP

LS

R-GDIP-T14

e0

19.56 mm

15 pF

BINARY COUNTER

16000000 Hz

8 Amp

ASYNCHRONOUS

3

2

14

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DIP

DIP14,.3

RECTANGULAR

IN-LINE

TUBE

NOT SPECIFIED

5

15 mA

70 ns

Not Qualified

MIL-PRF-38535

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

Tin/Lead (Sn/Pb)

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

NEGATIVE EDGE

7.62 mm

32 MHz

SN54LS169BJ by Texas Instruments

SN54LS169BJ

Texas Instruments

SN54LS169BJ by Texas Instruments is a 4-bit digital counter with a propagation delay of 40ns and operates at a max frequency of 20MHz. It is used in military-grade applications, featuring synchronous operation and bidirectional count direction.

TCO OUTPUT

BIDIRECTIONAL

LS

R-GDIP-T16

e0

19.56 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

SYNCHRONOUS

4

1

16

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

5

45 mA

25 ns

Not Qualified

5.08 mm

Counters

5.5 V

4.5 V

5

NO

TTL

MILITARY

TIN LEAD

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

20 MHz

SN54S169J by Texas Instruments

SN54S169J

Texas Instruments

SN54S169J by Texas Instruments is a 4-bit digital counter with a propagation delay of 25 ns and operates at a max frequency of 40 MHz. It is used in military-grade applications, featuring synchronous operation and bidirectional count direction. The package style is in-line with through-hole terminal form, suitable for high-speed TTL technology circuits.

TCO OUTPUT

BIDIRECTIONAL

S

R-GDIP-T16

e0

19.56 mm

15 pF

BINARY COUNTER

40000000 Hz

20 Amp

SYNCHRONOUS

4

1

16

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

5

160 mA

15 ns

Not Qualified

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

TIN LEAD

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

40 MHz

SNJ54LS169BJ by Texas Instruments

SNJ54LS169BJ

Texas Instruments

SNJ54LS169BJ by Texas Instruments is a 4-bit digital counter with a propagation delay of 40ns and operates at a max frequency of 20MHz. It is designed for military applications, featuring MIL-PRF-38535 screening level and can handle load capacitance of 45pF. The TTL technology chip has synchronous operation mode and positive edge trigger type.

TCO OUTPUT

BIDIRECTIONAL

LS

R-GDIP-T16

e0

19.56 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

SYNCHRONOUS

4

1

16

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

5

45 mA

25 ns

Not Qualified

MIL-PRF-38535

5.08 mm

Counters

5.5 V

4.5 V

5

NO

TTL

MILITARY

TIN LEAD

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

20 MHz

SNJ54S169J by Texas Instruments

SNJ54S169J

Texas Instruments

SNJ54S169J by Texas Instruments is a 4-bit TTL digital counter with 25ns propagation delay, operating at 5V. It features MIL-PRF-38535 screening and synchronous operation mode, suitable for military-grade applications. With a bidirectional count direction and max frequency of 20MHz, it is ideal for high-speed signal processing in harsh environments.

TCO OUTPUT

BIDIRECTIONAL

S

R-GDIP-T16

e0

19.56 mm

15 pF

BINARY COUNTER

20000000 Hz

SYNCHRONOUS

4

1

16

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

5

160 mA

15 ns

Not Qualified

MIL-PRF-38535

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

TIN LEAD

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

40 MHz

SNJ54LS169BFK by Texas Instruments

SNJ54LS169BFK

Texas Instruments

SNJ54LS169BFK by Texas Instruments is a TTL digital counter with 4 bits, 20 terminals, and a propagation delay of 25 ns. It operates synchronously at a max frequency of 20 MHz, making it ideal for military applications requiring fast and precise counting capabilities. With a package style of chip carrier and MIL-PRF-38535 screening level, this device is suitable for use in harsh environments where reliability is crucial.

TCO OUTPUT

BIDIRECTIONAL

LS

S-CQCC-N20

e0

8.89 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

SYNCHRONOUS

4

1

20

125 Cel

-55 Cel

CERAMIC, METAL-SEALED COFIRED

QCCN

LCC20,.35SQ

SQUARE

CHIP CARRIER

TUBE

5

45 mA

25 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.5 V

4.5 V

5

YES

TTL

MILITARY

TIN LEAD

NO LEAD

1.27 mm

QUAD

POSITIVE EDGE

8.89 mm

20 MHz

SNJ54LS193W by Texas Instruments

SNJ54LS193W

Texas Instruments

SNJ54LS193W by Texas Instruments is a TTL digital counter with 4 bits, 47 ns propagation delay, and operates at a supply voltage of 5V. It is used in military applications due to its MIL-PRF-38535 screening level and synchronous operation mode for bidirectional counting up to 25 MHz.

TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK

BIDIRECTIONAL

LS

R-GDFP-F16

e0

10.16 mm

15 pF

BINARY COUNTER

25000000 Hz

8 Amp

SYNCHRONOUS

4

1

16

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DFP

FL16,.3

RECTANGULAR

FLATPACK

TUBE

5

34 mA

47 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.25 V

4.75 V

5

YES

TTL

MILITARY

TIN LEAD

FLAT

1.27 mm

DUAL

POSITIVE EDGE

6.73 mm

25 MHz

SN74293N by Texas Instruments

SN74293N

Texas Instruments

SN74293N by Texas Instruments is a TTL digital counter with 3 bits, operating at 5V. It features a propagation delay of 51ns and can handle a max frequency of 32MHz. Ideal for applications requiring asynchronous count direction and negative edge trigger type in commercial temperature grades.

DIVIDE BY 2 AND DIVIDE BY 8 FUNCTIONS

UP

TTL/H/L

R-PDIP-T14

19.305 mm

15 pF

NO

BINARY COUNTER

32000000 Hz

16 Amp

ASYNCHRONOUS

3

2

14

70 Cel

0 Cel

PLASTIC/EPOXY

DIP

DIP14,.3

RECTANGULAR

IN-LINE

NOT SPECIFIED

5

39 mA

51 ns

Not Qualified

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

COMMERCIAL

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

NEGATIVE EDGE

7.62 mm

16 MHz

SNJ54LS393W by Texas Instruments

SNJ54LS393W

Texas Instruments

SNJ54LS393W by Texas Instruments is a TTL digital counter with 4 bits, 60 ns propagation delay, and 2 functions. It operates at a supply voltage of 5V and has a max frequency of 25 MHz. Ideal for military applications due to its MIL-PRF-38535 screening level and negative edge trigger type.

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

UP

LS

R-GDFP-F14

e0

9.21 mm

15 pF

BINARY COUNTER

25000000 Hz

8 Amp

ASYNCHRONOUS

4

2

14

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DFP

FL14,.3

RECTANGULAR

FLATPACK

TUBE

NOT SPECIFIED

5

26 mA

60 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.5 V

4.5 V

5

YES

TTL

MILITARY

Tin/Lead (Sn/Pb)

FLAT

1.27 mm

DUAL

NOT SPECIFIED

NEGATIVE EDGE

6.285 mm

25 MHz

SNJ54LS393FK by Texas Instruments

SNJ54LS393FK

Texas Instruments

SNJ54LS393FK by Texas Instruments is a TTL digital counter with 4 bits, 60 ns propagation delay, and 2 functions. It operates at a supply voltage of 5V and has a max frequency of 25 MHz. Ideal for military applications due to MIL-PRF-38535 screening level and negative edge trigger type.

DIVIDE BY 2 AND DIVIDE BY 5 FUNCTIONS

UP

LS

S-CQCC-N20

e0

8.89 mm

15 pF

BINARY COUNTER

25000000 Hz

8 Amp

ASYNCHRONOUS

4

2

20

125 Cel

-55 Cel

CERAMIC, METAL-SEALED COFIRED

QCCN

LCC20,.35SQ

SQUARE

CHIP CARRIER

TUBE

NOT SPECIFIED

5

26 mA

60 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.5 V

4.5 V

5

YES

TTL

MILITARY

Tin/Lead (Sn/Pb)

NO LEAD

1.27 mm

QUAD

NOT SPECIFIED

NEGATIVE EDGE

8.89 mm

25 MHz

SNJ54LS592W by Texas Instruments

SNJ54LS592W

Texas Instruments

SNJ54LS592W by Texas Instruments is an 8-bit digital counter with a propagation delay of 53ns. Operating at a supply voltage range of 4.75V to 5.25V, it features a max power supply current of 60mA and operates in asynchronous mode. This TTL technology device has a package style of flatpack and is suitable for military-grade applications requiring positive edge triggering and up counting functionality.

REGISTERED INPUTS

UP

LS

R-GDFP-F16

e0

10.16 mm

45 pF

BINARY COUNTER

24 Amp

ASYNCHRONOUS

8

1

16

125 Cel

-55 Cel

3-STATE

CERAMIC, GLASS-SEALED

DFP

FL16,.3

RECTANGULAR

FLATPACK

TUBE

NOT SPECIFIED

60 mA

30 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.25 V

4.75 V

5

YES

TTL

MILITARY

Tin/Lead (Sn/Pb)

FLAT

1.27 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

6.73 mm

20 MHz

SN54LS592J by Texas Instruments

SN54LS592J

Texas Instruments

SN54LS592J by Texas Instruments is an 8-bit digital counter with a propagation delay of 53ns and operates at a supply voltage of 5V. It features positive edge triggering, 3-STATE output characteristics, and asynchronous operation mode. Ideal for military-grade applications requiring TTL technology with a max frequency of 20MHz.

REGISTERED INPUTS

UP

LS

R-GDIP-T16

e0

19.56 mm

45 pF

BINARY COUNTER

24 Amp

ASYNCHRONOUS

8

1

16

125 Cel

-55 Cel

3-STATE

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

NOT SPECIFIED

60 mA

30 ns

Not Qualified

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

Tin/Lead (Sn/Pb)

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.62 mm

20 MHz

SNJ54LS592J by Texas Instruments

SNJ54LS592J

Texas Instruments

SNJ54LS592J by Texas Instruments is an 8-bit digital counter with a propagation delay of 53ns and operates at a supply voltage of 5V. It features a MIL-PRF-38535 screening level, positive edge trigger type, and asynchronous operation mode. Ideal for military-grade applications requiring TTL technology with a max operating temperature of 125°C.

REGISTERED INPUTS

UP

LS

R-GDIP-T16

e0

19.56 mm

45 pF

BINARY COUNTER

24 Amp

ASYNCHRONOUS

8

1

16

125 Cel

-55 Cel

3-STATE

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

NOT SPECIFIED

60 mA

30 ns

Not Qualified

MIL-PRF-38535

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

Tin/Lead (Sn/Pb)

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.62 mm

20 MHz

SN54LS593J by Texas Instruments

SN54LS593J

Texas Instruments

SN54LS593J by Texas Instruments is an 8-bit digital counter with a propagation delay of 63ns and operates at a supply voltage of 5V. It features a positive edge trigger, 3-STATE output characteristics, and can handle a max frequency of 20MHz. Ideal for military-grade applications requiring asynchronous operation in TTL technology.

TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O

UP

LS

R-GDIP-T20

e0

24.195 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

ASYNCHRONOUS

8

1

20

125 Cel

-55 Cel

3-STATE

CERAMIC, GLASS-SEALED

DIP

DIP20,.3

RECTANGULAR

IN-LINE

TUBE

NOT SPECIFIED

80 mA

39 ns

Not Qualified

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

Tin/Lead (Sn/Pb)

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.62 mm

20 MHz

SNJ54LS593J by Texas Instruments

SNJ54LS593J

Texas Instruments

SNJ54LS593J by Texas Instruments is an 8-bit digital counter with a propagation delay of 39 ns and max frequency of 20 MHz. It operates in asynchronous mode, has a supply voltage range of 4.75V to 5.25V, and is ideal for military-grade applications requiring positive edge triggering and TTL technology.

TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O

UP

LS

R-GDIP-T20

e0

24.195 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

ASYNCHRONOUS

8

1

20

125 Cel

-55 Cel

3-STATE

CERAMIC, GLASS-SEALED

DIP

DIP20,.3

RECTANGULAR

IN-LINE

TUBE

NOT SPECIFIED

80 mA

39 ns

Not Qualified

MIL-PRF-38535

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

Tin/Lead (Sn/Pb)

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.62 mm

20 MHz

SN74LS593DWR by Texas Instruments

SN74LS593DWR

Texas Instruments

SN74LS593DWR by Texas Instruments is an 8-bit digital counter with a propagation delay of 63ns and operates at a supply voltage of 5V. It features a 3-STATE output, positive edge trigger, and can handle up to 80mA power supply current. Ideal for applications requiring asynchronous operation and counting up to 20MHz frequency.

TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O

UP

LS

R-PDSO-G20

e4

12.8 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

ASYNCHRONOUS

1

8

1

20

70 Cel

0 Cel

3-STATE

PLASTIC/EPOXY

SOP

SOP20,.4

RECTANGULAR

SMALL OUTLINE

TR

260

80 mA

39 ns

Not Qualified

2.65 mm

Counters

5.25 V

4.75 V

5

YES

TTL

COMMERCIAL

Nickel/Palladium/Gold (Ni/Pd/Au)

GULL WING

1.27 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.5 mm

20 MHz

SNJ54LS592FK by Texas Instruments

SNJ54LS592FK

Texas Instruments

SNJ54LS592FK by Texas Instruments is an 8-bit digital counter with a propagation delay of 30ns and operates on a supply voltage range of 4.5V to 5.5V. It features a MILITARY-grade temperature rating, suitable for applications requiring fast counting operations in harsh environments. The chip carrier package style with surface mount capability makes it ideal for compact electronic designs.

REGISTERED INPUTS

UP

LS

S-CQCC-N20

8.89 mm

45 pF

YES

BINARY COUNTER

ASYNCHRONOUS

8

1

20

125 Cel

-55 Cel

3-STATE

CERAMIC, METAL-SEALED COFIRED

QCCN

LCC20,.35SQ

SQUARE

CHIP CARRIER

NOT SPECIFIED

60 mA

30 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.5 V

4.5 V

5

YES

TTL

MILITARY

NO LEAD

1.27 mm

QUAD

NOT SPECIFIED

POSITIVE EDGE

8.89 mm

20 MHz

SNJ54LS593FK by Texas Instruments

SNJ54LS593FK

Texas Instruments

SNJ54LS593FK by Texas Instruments is an 8-bit digital counter with a propagation delay of 39ns. Operating in asynchronous mode, it has a max supply voltage of 5.5V and operates at temperatures ranging from -55 to 125°C. Ideal for military applications requiring a TTL technology chip carrier package with 20 terminals.

TCO OUTPUT; REGISTERED INPUTS; MULTIPLEXED I/O

UP

LS

S-CQCC-N20

8.89 mm

45 pF

YES

BINARY COUNTER

ASYNCHRONOUS

8

1

20

125 Cel

-55 Cel

3-STATE

CERAMIC, METAL-SEALED COFIRED

QCCN

LCC20,.35SQ

SQUARE

CHIP CARRIER

NOT SPECIFIED

80 mA

39 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.5 V

4.5 V

5

YES

TTL

MILITARY

NO LEAD

1.27 mm

QUAD

NOT SPECIFIED

POSITIVE EDGE

8.89 mm

20 MHz

HCF4089BEY by STMicroelectronics

HCF4089BEY

STMicroelectronics

HCF4089BEY by STMicroelectronics is a 4-bit digital counter with synchronous operation mode and negative edge trigger type. It has a propagation delay of 300 ns, operates within a temperature range of -55 to 125 °C, and supports load or preset input. This IC is commonly used in military-grade applications requiring precise counting functions.

UP

4000/14000/40000

R-PDIP-T16

e3

YES

BINARY COUNTER

SYNCHRONOUS

4

1

16

125 Cel

-55 Cel

PLASTIC/EPOXY

DIP

DIP16,.3

RECTANGULAR

IN-LINE

3/15

300 ns

Not Qualified

5.1 mm

Counters

20 V

3 V

5

NO

CMOS

MILITARY

MATTE TIN

THROUGH-HOLE

2.54 mm

DUAL

NEGATIVE EDGE

7.62 mm

3.5 MHz

SN74ALS561ADWR by Texas Instruments

SN74ALS561ADWR

Texas Instruments

SN74ALS561ADWR by Texas Instruments is a 4-bit digital counter with 18 ns propagation delay, operating at a nominal voltage of 5V. It features load/preset inputs and 3-STATE output characteristics, suitable for synchronous counting applications. This small outline package with gull wing terminals is designed for surface mount assembly in commercial-grade temperature environments.

TCO OUTPUT; COUNT ENABLE INPUTS

UP

ALS

R-PDSO-G20

12.8 mm

50 pF

YES

BINARY COUNTER

8 Amp

SYNCHRONOUS

4

1

20

70 Cel

0 Cel

3-STATE

PLASTIC/EPOXY

SOP

SOP20,.4

RECTANGULAR

SMALL OUTLINE

TR

NOT SPECIFIED

5

33 mA

18 ns

Not Qualified

2.65 mm

Counters

5.5 V

4.5 V

5

YES

TTL

COMMERCIAL

GULL WING

1.27 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.5 mm

30 MHz

HCF4510BEY by STMicroelectronics

HCF4510BEY

STMicroelectronics

HCF4510BEY by STMicroelectronics is a 4-bit digital counter with synchronous operation mode and positive edge trigger type. It operates at a max frequency of 2MHz, with a propagation delay of 400ns. Ideal for military-grade applications requiring bidirectional counting in CMOS technology.

TCO OUTPUT

BIDIRECTIONAL

4000/14000/40000

R-PDIP-T16

e3

50 pF

YES

DECADE COUNTER

2000000 Hz

SYNCHRONOUS

4

1

16

125 Cel

-55 Cel

PLASTIC/EPOXY

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

5/15

400 ns

Not Qualified

5.1 mm

Counters

20 V

3 V

5

NO

CMOS

MILITARY

MATTE TIN

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

5.5 MHz

HCF4541BEY by STMicroelectronics

HCF4541BEY

STMicroelectronics

HCF4541BEY by STMicroelectronics is a 16-bit digital counter with synchronous operation mode and positive edge trigger. It operates within a supply voltage range of 3V to 20V, suitable for military-grade applications. The package style is in-line with dual terminal position and nickel palladium gold finish, ideal for precise counting tasks.

UP

4000/14000/40000

R-PDIP-T14

e4

YES

BINARY COUNTER

SYNCHRONOUS

16

1

14

125 Cel

-55 Cel

PLASTIC/EPOXY

DIP

RECTANGULAR

IN-LINE

18000 ns

Not Qualified

5.1 mm

20 V

3 V

5

NO

CMOS

MILITARY

NICKEL PALLADIUM GOLD

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

HCF4536BEY by STMicroelectronics

HCF4536BEY

STMicroelectronics

HCF4536BEY by STMicroelectronics is a 24-bit digital counter with synchronous operation mode and positive edge trigger type. It operates within a supply voltage range of 3V to 20V, suitable for military-grade applications. With a propagation delay of 8000ns, it is ideal for counting tasks in harsh environments.

UP

4000/14000/40000

R-PDIP-T16

e3

YES

BINARY COUNTER

SYNCHRONOUS

24

1

16

125 Cel

-55 Cel

PLASTIC/EPOXY

DIP

RECTANGULAR

IN-LINE

8000 ns

Not Qualified

5.1 mm

20 V

3 V

5

NO

CMOS

MILITARY

MATTE TIN

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

2.5 MHz

SN54LS590J by Texas Instruments

SN54LS590J

Texas Instruments

SN54LS590J by Texas Instruments is an 8-bit digital counter with a propagation delay of 45ns and operates at a supply voltage of 5V. It features a max frequency of 20MHz, suitable for military-grade applications requiring asynchronous operation and positive edge triggering. The package style is in-line with through-hole terminals, making it ideal for high-speed counting tasks in harsh environments.

TCO OUTPUT; REGISTERED OUTPUTS

UP

LS

R-CDIP-T16

e0

19.56 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

ASYNCHRONOUS

8

1

16

125 Cel

-55 Cel

3-STATE

CERAMIC, METAL-SEALED COFIRED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

5

65 mA

33 ns

Not Qualified

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

TIN LEAD

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

35 MHz

SN74LS590N by Texas Instruments

SN74LS590N

Texas Instruments

SN74LS590N by Texas Instruments is an 8-bit digital counter with a propagation delay of 45ns. Operating at a supply voltage of 5V, it features a max frequency of 20MHz and output characteristics in 3-STATE. Ideal for applications requiring asynchronous operation and positive edge triggering, this TTL technology-based device comes in a rectangular package style with through-hole terminal form.

TCO OUTPUT; REGISTERED OUTPUTS

UP

LS

R-PDIP-T16

e4

19.305 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

ASYNCHRONOUS

8

1

16

70 Cel

0 Cel

3-STATE

PLASTIC/EPOXY

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

NOT SPECIFIED

5

65 mA

33 ns

Not Qualified

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

COMMERCIAL

Nickel/Palladium/Gold (Ni/Pd/Au)

THROUGH-HOLE

2.54 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

7.62 mm

35 MHz

SNJ54LS590J by Texas Instruments

SNJ54LS590J

Texas Instruments

SNJ54LS590J by Texas Instruments is an 8-bit digital counter with a propagation delay of 45ns and operates at a max frequency of 20MHz. It features a MIL-PRF-38535 screening level, suitable for military-grade applications. With TTL technology and positive edge trigger type, it is ideal for asynchronous counting operations in harsh environments.

TCO OUTPUT; REGISTERED OUTPUTS

UP

LS

R-CDIP-T16

e0

19.56 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

ASYNCHRONOUS

8

1

16

125 Cel

-55 Cel

3-STATE

CERAMIC, METAL-SEALED COFIRED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

5

65 mA

33 ns

Not Qualified

MIL-PRF-38535

5.08 mm

Counters

5.25 V

4.75 V

5

NO

TTL

MILITARY

TIN LEAD

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

35 MHz

SN74LS590D by Texas Instruments

SN74LS590D

Texas Instruments

SN74LS590D by Texas Instruments is an 8-bit digital counter with a propagation delay of 45ns and operates at a supply voltage of 5V. It features a positive edge trigger, 3-STATE output characteristics, and can handle a max frequency of 20MHz. Ideal for applications requiring asynchronous operation and up counting functions in commercial temperature environments.

TCO OUTPUT; REGISTERED OUTPUTS

UP

LS

R-PDSO-G16

e4

9.9 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

ASYNCHRONOUS

1

8

1

16

70 Cel

0 Cel

3-STATE

PLASTIC/EPOXY

SOP

SOP16,.25

RECTANGULAR

SMALL OUTLINE

TUBE

260

5

65 mA

33 ns

Not Qualified

1.75 mm

Counters

5.25 V

4.75 V

5

YES

TTL

COMMERCIAL

Nickel/Palladium/Gold (Ni/Pd/Au)

GULL WING

1.27 mm

DUAL

NOT SPECIFIED

POSITIVE EDGE

3.9 mm

35 MHz

SNJ54LS590FK by Texas Instruments

SNJ54LS590FK

Texas Instruments

SNJ54LS590FK by Texas Instruments is an 8-bit digital counter with a propagation delay of 45ns and operates at a supply voltage of 5V. It features a max frequency of 20MHz, positive edge trigger type, and is ideal for military-grade applications requiring asynchronous operation.

TCO OUTPUT; REGISTERED OUTPUTS

UP

LS

S-CQCC-N20

e0

8.89 mm

45 pF

BINARY COUNTER

20000000 Hz

24 Amp

ASYNCHRONOUS

8

1

20

125 Cel

-55 Cel

3-STATE

CERAMIC, METAL-SEALED COFIRED

QCCN

LCC20,.35SQ

SQUARE

CHIP CARRIER

TUBE

5

65 mA

33 ns

Not Qualified

MIL-PRF-38535

2.03 mm

Counters

5.25 V

4.75 V

5

YES

TTL

MILITARY

TIN LEAD

NO LEAD

1.27 mm

QUAD

POSITIVE EDGE

8.89 mm

35 MHz

SN74LV161ANS by Texas Instruments

SN74LV161ANS

Texas Instruments

SN74LV161ANS by Texas Instruments is a 4-bit digital counter with synchronous operation, positive edge trigger, and max fmax of 115 MHz. It operates at a nominal voltage of 2.5V and has a propagation delay of 22.5 ns. This IC is commonly used in industrial applications requiring precise counting and timing functions.

TCO OUTPUT

UP

LV/LV-A/LVX/H

R-PDSO-G16

e4

10.2 mm

50 pF

YES

BINARY COUNTER

6 Amp

SYNCHRONOUS

1

4

1

16

85 Cel

-40 Cel

PLASTIC/EPOXY

SOP

SOP16,.3

RECTANGULAR

SMALL OUTLINE

260

3.3

22.5 ns

Not Qualified

2 mm

Counters

5.5 V

2 V

2.5

YES

CMOS

INDUSTRIAL

NICKEL PALLADIUM GOLD

GULL WING

1.27 mm

DUAL

30

POSITIVE EDGE

5.3 mm

115 MHz

SN54ALS191AJ by Texas Instruments

SN54ALS191AJ

Texas Instruments

SN54ALS191AJ by Texas Instruments is a 4-bit synchronous digital counter with load/preset input. Operating at 5V, it has a propagation delay of 26ns and can handle a max frequency of 20MHz. Ideal for military applications due to its MILITARY temperature grade, this TTL technology-based counter offers bidirectional counting capability.

TCO OUTPUT

BIDIRECTIONAL

ALS

R-GDIP-T16

19.56 mm

YES

BINARY COUNTER

20000000 Hz

4 Amp

SYNCHRONOUS

4

1

16

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

5

22 mA

26 ns

Not Qualified

5.08 mm

Counters

5.5 V

4.5 V

5

NO

TTL

MILITARY

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

20 MHz

SN54ALS193AJ by Texas Instruments

SN54ALS193AJ

Texas Instruments

BINARY COUNTER; Temperature Grade: MILITARY; Terminal Form: THROUGH-HOLE; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR;

TCO UP AND TCO DOWN OUTPUTS; SEPARATE UP/DOWN CLOCK

BIDIRECTIONAL

ALS

R-GDIP-T16

e0

19.56 mm

50 pF

BINARY COUNTER

25000000 Hz

8 Amp

SYNCHRONOUS

4

1

16

125 Cel

-55 Cel

CERAMIC, GLASS-SEALED

DIP

DIP16,.3

RECTANGULAR

IN-LINE

TUBE

5

22 mA

27 ns

Not Qualified

5.08 mm

Counters

5.5 V

4.5 V

5

NO

TTL

MILITARY

TIN LEAD

THROUGH-HOLE

2.54 mm

DUAL

POSITIVE EDGE

7.62 mm

25 MHz