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PDF ( 数据手册 , 数据表 ) 54LS20

零件编号 54LS20
描述 Dual 4-Input NAND Gates
制造商 National Semiconductor
LOGO National Semiconductor LOGO 


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54LS20 数据手册, 描述, 功能
June 1989
54LS20 DM54LS20 DM74LS20 Dual 4-Input NAND Gates
General Description
This device contains two independent gates each of which
performs the logic NAND function
Features
Y Alternate Military Aerospace device (54LS20) is avail-
able Contact a National Semiconductor Sales Office
Distributor for specifications
Connection Diagram
Dual-In-Line Package
Function Table
Order Number 54LS20DMQB 54LS20FMQB 54LS20LMQB
DM54LS20J DM54LS20W DM74LS20M or DM74LS20N
See NS Package Number E20A J14A M14A N14A or W14B
TL F 6355 – 1
Y e ABCD
Inputs
A B CD
X X XL
X X LX
X L XX
L X XX
H H HH
H e High Logic Level
L e Low Logic Level
X e Either Low or High Logic Level
Output
Y
H
H
H
H
L
C1995 National Semiconductor Corporation TL F 6355
RRD-B30M105 Printed in U S A












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