74HC688D,653 Просмотр технического описания (PDF) - NXP Semiconductors.

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74HC688D,653

8-bit magnitude comparator

NXP Semiconductors. 

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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