74HC354 查看數據表（PDF） - Philips Electronics

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产品描述 (功能)

比赛名单

74HC354

8-input multiplexer/register with transparent latches; 3-state

Philips Electronics 

Philips Semiconductors

8-input multiplexer/register with

transparent latches; 3-state

Product specification

74HC/HCT354

PIN DESCRIPTION

PIN NO.

8, 7, 6, 5, 4, 3, 2, 1

9

10

11

14, 13, 12

15, 16

17

18

19

20

SYMBOL

D0 to D7

E

GND

LE

S0, S1, S2

OE1, OE2

OE3

Y

Y

VCC

NAME AND FUNCTION

data inputs

data enable input (active LOW)

ground (0 V)

address latch enable inputs (active LOW)

select inputs

output enable input (active LOW)

output enable input (active HIGH)

3-state multiplexer output (active LOW)

3-state multiplexer output (active HIGH)

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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