Datasheet

December 1990 3
Philips Semiconductors Product specification
3-to-8 line decoder/demultiplexer 74HC/HCT238
PIN DESCRIPTION
PIN NO. SYMBOL NAME AND FUNCTION
1, 2, 3 A
0
to A
2
address inputs
4, 5
E
1
, E
2
enable inputs (active LOW)
6E
3
enable input (active HIGH)
8 GND ground (0 V)
15, 14, 13, 12, 11, 10, 9, 7 Y
0
to Y
7
outputs (active HIGH)
16 V
CC
positive supply voltage
Fig.1 Pin configuration. Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
(a)
(b)