74HCT158U Просмотр технического описания (PDF) - Philips Electronics

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74HCT158U

Quad 2-input multiplexer; inverting

Philips Electronics 

Philips Semiconductors

Quad 2-input multiplexer; inverting

PIN DESCRIPTION

PIN NO.

1

2, 5, 11, 14

3, 6, 10, 13

4, 7, 9, 12

8

15

16

SYMBOL

S

1I0 to 4I0

1I1 to 4I1

1Y to 4Y

GND

E

VCC

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

Product specification

74HC/HCT158

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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