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DM74279

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DM74279 数据手册

June 1989

54279/DM74279 Quad Set-Reset Latch

General Description

This device contains four independent set-reset type flip-

flops with one Q output each.

Connection Diagram

Dual-In-Line Package

TL/F/9785–1

Order Number 54279DMQB, 54279FMQB or DM74279N

NS Package Number J16A, N16E or W16A

Pin Names

Description

Reset Inputs (Active Low)

Set Inputs (Active Low)

Outputs

Truth Table

Inputs

Output

No Change

HIGH Voltage Level

LOW Voltage Level

Immaterial

The output is HIGH as long as S1 or S2 is LOW. If all inputs go HIGH

simultaneously, the output state is indeterminate; otherwise, it follows the

Truth Table.

1995 National Semiconductor Corporation

TL/F/9785

RRD-B30M115/Printed in U. S. A.

12 3 4

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