HD74HC251 Datasheet, PDF (2/9 Pages) Hitachi Semiconductor – 1 of 8 Data Selectors/Multiplexers (with 3-state outputs)

HD74HC251
Pin Arrangement
31
Data inputs
22
13
04
Outputs
Y5
W6
Strobe 7
GND 8
D2 ^D3 D4
D1
D5
D0
D6
Y
D₇
W
A
S
B
C
16 VCC
15 4
14 5
13 6
Data inputs
12 7
11 A
10 B Data select
9C
(Top view)
Rev.2.00 Jan 31, 2006 page 2 of 8