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54LS279LMQB

National Semiconductor

54LS279LMQB by National Semiconductor

R-S LATCH; Temperature Grade: MILITARY; Terminal Form: NO LEAD; No. of Terminals: 20; Package Code: QCCN; Package Shape: SQUARE;

Median Price

$3.510

Lifecycle Status

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5

In-Stock Inventory

1k+

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Rochester

USA . 148 parts In-Stock

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$3.220

100+ parts

$3.160

1k+ parts

$3.090

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148

$3.220

$3.160

$3.090

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DigiKey

USA . 148 parts In-Stock

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-

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$3.800

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148

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$3.800

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Digiode

USA . 4,679 parts In-Stock

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$3.638

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Vyrian

USA . 5,439 parts In-Stock

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Anansix

USA . 2,186 parts In-Stock

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Corphita

USA . 1,007 parts In-Stock

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$3.447

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1,007

$3.447

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Component Stockers USA

USA . 89 parts In-Stock

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$3.730

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$3.510

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89

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Native Components

USA . 187 parts In-Stock

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$6.140

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187

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Parana Technologies

USA . 2,056 parts In-Stock

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$8.408

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$9.041

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2,056

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$9.041

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DigiPath Technology Company

USA . 935 parts In-Stock

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$9.258

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$8.517

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935

$9.258

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ChromeModa Solutions

Germany . 2,772 parts In-Stock

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$7.747

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2,772

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IDEA Electronic Components Group

UK . 138 parts In-Stock

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$9.447

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$8.975

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$8.502

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138

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Modulus Dynamics

Lithuania . 500 parts In-Stock

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$12.106

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$12.106

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$12.106

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500

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QUARKTWIN TECHNOLOGY LTD

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Supply Digital

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Northwest PG Solutions

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$6.017

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1,631

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Technical Specifications

Latches & Flip-Flops 54LS279LMQB attributes and parameters. Explore more Latches & Flip-Flops devices from National Semiconductor

Specs

Additional Features:

WITH DUAL S INPUT FOR TWO FUNCTIONS

Family:

LS

JESD-30 Code:

S-CQCC-N20

Length:

8.89 mm

Load Capacitance (CL):

50 pF

Logic IC Type:

Maximum I (ol):

4 Amp

No. of Bits:

2

No. of Functions:

4

No. of Terminals:

20

Maximum Operating Temperature:

125 Cel

Minimum Operating Temperature:

-55 Cel

Output Polarity:

TRUE

Package Body Material:

CERAMIC, METAL-SEALED COFIRED

Package Code:

Package Equivalence Code:

LCC20,.35SQ

Package Shape:

Package Style (Meter):

CHIP CARRIER

Power Supplies (V):

5

Maximum Power Supply Current (ICC):

7 mA

Propagation Delay At Nominal Supply:

27 ns

Propagation Delay (tpd):

33 ns

Qualification:

Not Qualified

Screening Level:

38535Q/M;38534H;883B

Maximum Seated Height:

1.905 mm

Sub-Category:

FF/Latches

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 Form:

Terminal Pitch:

1.27 mm

Terminal Position:

QUAD

Trigger Type:

LOW LEVEL

Width:

8.89 mm

Trade Compliance

54LS279LMQB Logic ICs trade compliance attributes, and parameters.

HTS

8542.39.00.01

SB

8542.39.00.00

NSN

5962-01-302-5556, 5962013025556, 5962-01-310-2183, 5962013102183

NIIN

013025556, 013102183

Manufacturer Highlights

National Semiconductor

National Semiconductor was an American semiconductor manufacturer which specialized in analog devices and subsystems, formerly with headquarters in Santa Clara, California. The company produced power management integrated circuits, display drivers, audio and operational amplifiers, communication interface products and data conversion solutions. National's key markets included wireless handsets, displays and a variety of broad electronics markets, including medical, automotive, industrial and test and measurement applications.On September 23, 2011, the company formally became part of Texas Instruments as the "Silicon Valley" division.

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