DM74S20N 데이터 시트보기 (PDF) - Fairchild Semiconductor
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DM74S20N Datasheet PDF : 3 Pages
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August 1986
Revised April 2000
DM74S20
Dual 4-Input NAND Gate
General Description
This device contains two independent gates each of which
performs the logic NAND function.
Ordering Code:
Order Number Package Number
Package Description
DM74S20N
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Connection Diagram
Function Table
Y = ABCD
Inputs
A
B
C
D
X
X
X
L
X
X
L
X
X
L
X
X
L
X
X
X
H
H
H
H
H = HIGH Logic Level
L = LOW Logic Level
X = Either LOW or HIGH Logic Level
Output
Y
H
H
H
H
L
© 2000 Fairchild Semiconductor Corporation DS006449
www.fairchildsemi.com
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