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M74HC251B1R(1993) 查看數據表(PDF) - STMicroelectronics

零件编号
产品描述 (功能)
比赛名单
M74HC251B1R
(Rev.:1993)
ST-Microelectronics
STMicroelectronics ST-Microelectronics
M74HC251B1R Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
M54/M74HC251
TRUTH TABLE
INPUTS
C
B
A
X
X
X
L
L
L
L
L
H
L
H
L
L
H
H
H
L
L
H
L
H
H
H
L
H
H
H
X: Don’t Care Z: HIGH Impedance
LOGIC DIAGRAM
STROBE
S
H
L
L
L
L
L
L
L
L
OUTPUS
Y
W
Z
Z
D0
D0
D1
D1
D2
D2
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
2/11

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