74hct157db NXP Semiconductors, 74hct157db Datasheet - Page 3

• Manufacturer Part Number: 74hct157db
• Description: Quad 2-input Multiplexer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PIN DESCRIPTION
December 1990
PIN NO.
1
2, 5, 11, 14
3, 6, 10, 13
4, 7, 9, 12
8
15
16
Quad 2-input multiplexer
Fig.1 Pin configuration.
SYMBOL
S
1I
1I
1Y to 4Y
GND
E
V
CC
0
1
to 4I
to 4I
0
1
Fig.2 Logic symbol.
NAME AND FUNCTION
common data select input
data inputs from source 0
data inputs from source 1
multiplexer outputs
ground (0 V)
enable input (active LOW)
positive supply voltage
3
Fig.3 IEC logic symbol.
74HC/HCT157
Product specification