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HD74HC356 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – 8-to-1-line Data Selectors/Multiplexer/Register(with 3-state outputs)
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HD74HC356
Function Table
Inputs
Select
Output Enable
S1
S2
S0
Clock
G1
G2
G3
X
X
X
X
H
X
X
X
X
X
X
X
H
X
X
X
X
X
X
X
L
L
L
L
L
L
H
L
L
L
H or L
L
L
H
L
L
H
L
L
H
L
L
H
H or L
L
L
H
L
H
L
L
L
H
L
H
L
H or L
L
L
H
L
H
H
L
L
H
L
H
H
H or L
L
L
H
H
L
L
L
L
H
H
L
L
H or L
L
L
H
H
L
H
L
L
H
H
L
H
H or L
L
L
H
H
H
L
L
L
H
H
H
L
H or L
L
L
H
H
H
H
L
L
H
H
H
H
H or L
L
L
H
Notes: 1. H; High level, L; Low level, X; Irrelevant, Z; High impedance
Pin Arrangement
Outputs
W
Y
Z
Z
Z
Z
Z
Z
D0
D0
D0n
D0n
D1
D1
D1n
D1n
D2
D2
D2n
D2n
D3
D3
D3n
D3n
D4
D4
D4n
D4n
D5
D5
D5n
D5n
D6
D6
D6n
D6n
D7
D7
D7n
D7n
D7 1
D6 2
D5 3
Data
inputs
D4 4
D3 5
D2 6
D1 7
D0 8
Clock 9
GND 10
(Top view)
20 VCC
19 Y
18 W
Outputs
17 G3
16 G2 Enables
15 G1
14 S0
13 S1 Select
12 S2
11
Select
control
Rev.2.00 Jan 31, 2006 page 2 of 8
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