74HC/HCT137 Philips Semiconductors (Acquired by NXP), 74HC/HCT137 Datasheet - Page 3
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74HC/HCT137
Manufacturer Part Number
74HC/HCT137
Description
3-to-8 Line Decoder/demultiplexer With Address Latches; Inverting
Manufacturer
Philips Semiconductors (Acquired by NXP)
Datasheet
1.74HCHCT137.pdf
(8 pages)
Philips Semiconductors
PIN DESCRIPTION
December 1990
PIN NO.
1, 2, 3
4
5
6
8
15, 14, 13, 12, 11, 10, 9, 7
16
3-to-8 line decoder/demultiplexer with
address latches; inverting
Fig.1 Pin configuration.
Fig.3 IEC logic symbol.
SYMBOL
A
LE
E
E
GND
Y
V
0
1
2
0
CC
to A
to Y
2
7
NAME AND FUNCTION
data inputs
latch enable input (active LOW)
data enable input (active LOW)
data enable input (active HIGH)
ground (0 V)
multiplexer outputs
positive supply voltage
3
Fig.4 Functional diagram.
Fig.2 Logic symbol.
74HC/HCT137
Product specification