54LS21 datasheet(1/6 Pages) NSC

部件名	54LS21

功能描述	Dual 4-Input AND Gates

PDF	6 Pages

Scroll/Zoom	100%

制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

标志

1 / 6 page

TLF6356

June 1989

54LS21DM54LS21DM74LS21 Dual 4-Input AND Gates

General Description

This device contains two independent gates each of which

performs the logic AND function

Features

Y

Alternate MilitaryAerospace device (54LS21) is avail-

able Contact a National Semiconductor Sales Office

Distributor for specifications

Connection Diagram

Dual-In-Line Package

TLF6356 – 1

Order Number 54LS21DMQB 54LS21FMQB 54LS21LMQB

DM54LS21J DM54LS21W DM74LS21M or DM74LS21N

See NS Package Number E20A J14A M14A N14A or W14B

Function Table

Y e ABCD

Inputs

Output

AB

C

D

Y

XX

X

L

XX

L

X

L

XL

X

L

LX

X

L

HH

H

H e High Logic Level

L e Low Logic Level

X e Either Low or High Logic Level

C1995 National Semiconductor Corporation

RRD-B30M105Printed in U S A

类似零件编号 - 54LS21

制造商	部件名	数据表	功能描述
List of Unclassifed Man...	54LS21	51Kb / 1P	DUAL 4-INPUT POSITIVE AND GATE
	54LS21DM	51Kb / 1P	DUAL 4-INPUT POSITIVE AND GATE
	54LS21FM	51Kb / 1P	DUAL 4-INPUT POSITIVE AND GATE

More results

类似说明 - 54LS21

制造商	部件名	数据表	功能描述
Hitachi Semiconductor	HD74HC21	45Kb / 8P	Dual 4-input AND Gates
List of Unclassifed Man...	GD74LS21	96Kb / 2P	DUAL 4-INPUT POSITIVE AND GATES
Renesas Technology Corp	HD74LS21	55Kb / 5P	Dual 4-input Positive AND Gates
Renesas Technology Corp	HD74HC21	92Kb / 7P	Dual 4-input AND Gates
Unisonic Technologies	U74HC21	172Kb / 5P	DUAL 4-INPUT AND GATES
Unisonic Technologies	U74HCT21	173Kb / 4P	DUAL 4-INPUT AND GATES
Renesas Technology Corp	HD74HC21	124Kb / 9P	Dual 4-input AND Gates
Unisonic Technologies	U74HC21	165Kb / 5P	DUAL 4-INPUT AND GATES
	U74HCT21	173Kb / 4P	DUAL 4-INPUT AND GATES
	U74AHC21	161Kb / 4P	DUAL 4-INPUT AND GATES