74HCT563 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

比赛名单

74HCT563

Octal D-type transparent latch; 3-state; inverting

Philips Electronics 

Philips Semiconductors

Octal D-type transparent latch; 3-state;

inverting

Product specification

74HC/HCT563

PIN DESCRIPTION

PIN NO.

2, 3, 4, 5, 6, 7, 8, 9

11

1

10

19, 18, 17, 16, 15, 14, 13, 12

20

SYMBOL

D0 to D7

LE

OE

GND

Q0 to Q7

VCC

NAME AND FUNCTION

data inputs

latch enable input (active HIGH)

3-state output enable input (active LOW)

ground (0 V)

3-state latch outputs

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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