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SN74ALS191AD

Texas Instruments

SN74ALS191AD by Texas Instruments

SN74ALS191AD by Texas Instruments is a 4-bit digital counter with a propagation delay of 31ns and operates at a supply voltage of 5V. It features positive edge trigger, synchronous operation mode, and bidirectional count direction. Ideal for applications requiring high-speed counting in commercial temperature environments.

Median Price

$2.248

Lifecycle Status

Suppliers In-Stock

7

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Rochester

USA . 65,306 parts In-Stock

1+ parts

-

100+ parts

$2.120

1k+ parts

$1.900

10k+ parts

$1.780

65,306

-

$2.120

$1.900

$1.780

Verical

USA . 35,500 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$2.375

10k+ parts

$2.225

35,500

-

-

$2.375

$2.225

Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Digiode

USA . 2,810 parts In-Stock

1+ parts

$1.938

100+ parts

-

1k+ parts

-

10k+ parts

-

2,810

$1.938

-

-

-

Vyrian

USA . 2,740 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,740

-

-

-

-

Chip Stock

USA . 912 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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912

-

-

-

-

PC Components Company LLC

USA . 28 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

28

-

-

-

-

Bristol Electronics

USA . 28 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

28

-

-

-

-

Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Corphita

USA . 4,216 parts In-Stock

1+ parts

$1.836

100+ parts

-

1k+ parts

-

10k+ parts

-

4,216

$1.836

-

-

-

Microchip USA

USA . 1,564 parts In-Stock

1+ parts

$14.950

100+ parts

$14.740

1k+ parts

$14.630

10k+ parts

$14.520

1,564

$14.950

$14.740

$14.630

$14.520

Parana Technologies

USA . 2,318 parts In-Stock

1+ parts

$18.686

100+ parts

-

1k+ parts

$18.781

10k+ parts

-

2,318

$18.686

-

$18.781

-

DigiPath Technology Company

USA . 1,545 parts In-Stock

1+ parts

$20.576

100+ parts

$18.930

1k+ parts

-

10k+ parts

-

1,545

$20.576

$18.930

-

-

ChromeModa Solutions

Germany . 4,010 parts In-Stock

1+ parts

$20.996

100+ parts

$17.217

1k+ parts

-

10k+ parts

-

4,010

$20.996

$17.217

-

-

IDEA Electronic Components Group

UK . 473 parts In-Stock

1+ parts

$20.996

100+ parts

$19.946

1k+ parts

$18.896

10k+ parts

-

473

$20.996

$19.946

$18.896

-

Assy Fe

Spain . 200 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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10k+ parts

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200

-

-

-

-

Overview

Enhance your digital design projects with the high-quality SN74ALS191AD digital counter by Texas Instruments. This versatile component offers reliable performance and precise counting capabilities, making it ideal for a wide range of applications. Whether you're working on a robotics project, designing a new electronic device, or simply looking to upgrade your circuitry, this product provides value, efficiency, and seamless integration. Trust in Texas Instruments' reputation for excellence and elevate your projects with the SN74ALS191AD digital counter today.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

This material is lightweight and durable, making the product suitable for various applications where weight is a concern.

Propagation Delay At Nominal Supply: 31 ns

With a fast propagation delay, this digital counter ensures quick response times for counting operations, making it efficient in time-sensitive applications.

Surface Mount: YES

Being surface mountable allows for easy and convenient installation on circuit boards, saving space and making the product suitable for compact designs.

No. of Bits: 4

With 4 bits, this digital counter can count up to 16 different states, providing flexibility in counting tasks.

Nominal Supply Voltage / Vsup (V): 5

Operating at a common 5V supply voltage makes integration with existing systems easier and ensures compatibility with a wide range of devices.

Power Supplies (V): 5

The consistent power supply at 5V ensures stable operation and reliable performance of the digital counter.

Maximum Operating Temperature: 70 °C

With a high maximum operating temperature, this product can withstand elevated temperatures without compromising its functionality, suitable for industrial environments.

Trigger Type: POSITIVE EDGE

The positive edge trigger type ensures accurate counting and synchronization with external signals, making the product suitable for precise counting applications.

Technology: TTL

Using TTL technology ensures compatibility with TTL logic levels, making it easy to integrate this digital counter into TTL-based systems.

Technical Specifications

Digital Counters SN74ALS191AD attributes and parameters. Explore more Digital Counters devices from Texas Instruments

Specs

Additional Features:

TCO OUTPUT

Count Direction:

BIDIRECTIONAL

Family:

ALS

JESD-30 Code:

R-PDSO-G16

JESD-609 Code:

e4

Length:

9.9 mm

Load Capacitance (CL):

50 pF

Logic IC Type:

Maximum Frequency At Nominal Supply:

30000000 Hz

Maximum I (ol):

8 Amp

Operation Mode:

SYNCHRONOUS

Moisture Sensitivity Level (MSL):

1

No. of Bits:

4

No. of Functions:

1

No. of Terminals:

16

Maximum Operating Temperature:

70 Cel

Minimum Operating Temperature:

0 Cel

Package Body Material:

PLASTIC/EPOXY

Package Code:

SOP

Package Equivalence Code:

SOP16,.25

Package Shape:

Package Style (Meter):

SMALL OUTLINE

Packing Method:

TUBE

Peak Reflow Temperature (C):

260

Power Supplies (V):

5

Maximum Power Supply Current (ICC):

22 mA

Propagation Delay At Nominal Supply:

31 ns

Propagation Delay (tpd):

18 ns

Qualification:

Not Qualified

Maximum Seated Height:

1.75 mm

Sub-Category:

Counters

Maximum Supply Voltage (Vsup):

5.5 V

Minimum Supply Voltage (Vsup):

4.5 V

Nominal Supply Voltage / Vsup (V):

5

Surface Mount:

YES

Technology:

TTL

Temperature Grade:

Terminal Finish:

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

Terminal Form:

Terminal Pitch:

1.27 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

NOT SPECIFIED

Trigger Type:

POSITIVE EDGE

Width:

3.9 mm

Minimum fmax:

30 MHz

Trade Compliance

SN74ALS191AD Logic ICs trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

NSN

5962-01-348-0144, 5962013480144

NIIN

013480144

PCN

Manufacturer Highlights

Texas Instruments

Texas Instruments Inc. (TI) is one of the world's leading semiconductor companies and a global leader in analog and digital signal processing technology. The company has had a major impact on the electronics industry for over 80 years, manufacturing integrated circuits (ICs), software and subsystems that leverage high-performance computing capabilities. It offers an extensive portfolio of solutions for a wide range of industries, from aerospace to medical devices and consumer products to communication systems. Over its long history, TI has become synonymous with quality, reliability and innovation. Today, TI is one of the largest semiconductor companies in the world with operations in more than 30 countries across six continents.

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Management team

President, CEO

Haviv Ilan

Chairman

Richard K. Templeton

Senior VP, CFO

Rafael R. Lizardi

Manufacturer fab locations 15

Fab name Location Fab Initiation Wafer Capacity

M - Fab

Fabrication

Fab Initiation

1997

USA

South Portland

Wafer Capacity

32,000

1997

32,000

D - FAB

Fabrication

Fab Initiation

1966

USA

Dallas

Wafer Capacity

42,000

1966

42,000

D MOS - 6

Fabrication

Fab Initiation

2002

USA

Dallas

Wafer Capacity

25,000

2002

25,000

D MOS - 5

Fabrication

Fab Initiation

1995

USA

Dallas

Wafer Capacity

75,000

1995

75,000

Miho - 8

Fabrication

Fab Initiation

1980

Japan

Inashiki

Wafer Capacity

43,000

1980

43,000

S FAB 1

Fabrication

Fab Initiation

1966

USA

Sherman

Wafer Capacity

91,000

1966

91,000

F - FAB

Fabrication

Fab Initiation

2001

Germany

Freising

Wafer Capacity

37,000

2001

37,000

R Fab 1

Fabrication

Fab Initiation

2010

USA

Richardson

Wafer Capacity

40,000

2010

40,000

D HC Line

Fabrication

Fab Initiation

1999

USA

Dallas

Wafer Capacity

2,000

1999

2,000

JV3

Fabrication

Fab Initiation

2001

Japan

Aizu Wakamatsu

Wafer Capacity

45,000

2001

45,000

C - FAB

Fabrication

Fab Initiation

2007

China

Chengdu

Wafer Capacity

30,000

2007

30,000

L - Fab

Fabrication

Fab Initiation

2015

USA

Lehi

Wafer Capacity

70,000

2015

70,000

R - Fab 2

Fabrication

Fab Initiation

2022

USA

Richardson

Wafer Capacity

2022

S - FAB 2

Fabrication

Fab Initiation

2025

USA

Sherman

Wafer Capacity

2025

S - FAB 3

Fabrication

Fab Initiation

2028

USA

Sherman

Wafer Capacity

2028

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