74HC688DB Просмотр технического описания (PDF) - Philips Electronics

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Компоненты Описание

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74HC688DB

8-bit magnitude comparator

Philips Electronics 

Philips Semiconductors

8-bit magnitude comparator

PIN DESCRIPTION

PIN NO.

1

2, 4, 6, 8, 11, 13, 15, 17

3, 5, 7, 9, 12, 14, 16, 18

10

19

20

SYMBOL

E

P0 to P7

Q0 to Q7

GND

P=Q

VCC

Product specification

74HC/HCT688

NAME AND FUNCTION

enable input (active LOW)

word inputs

word inputs

ground (0 V)

equal to output

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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