74HC137 Просмотр технического описания (PDF) - Philips Electronics

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74HC137

3-to-8 line decoder/demultiplexer with address latches; inverting

Philips Electronics 

Philips Semiconductors

3-to-8 line decoder/demultiplexer with

address latches; inverting

PIN DESCRIPTION

PIN NO.

1, 2, 3

4

5

6

8

15, 14, 13, 12, 11, 10, 9, 7

16

SYMBOL

A0 to A2

LE

E1

E2

GND

Y0 to Y7

VCC

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

Product specification

74HC/HCT137

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

Fig.4 Functional diagram.

3

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