74HC540 データシートの表示（PDF） - Philips Electronics

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74HC540

Octal buffer/line driver; 3-state; inverting

Philips Electronics 

Philips Semiconductors

Octal buffer/line driver; 3-state; inverting

Product specification

74HC/HCT540

PIN DESCRIPTION

PIN NO.

1, 19

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

10

18, 17, 16, 15, 14, 13, 12, 11

20

SYMBOL

OE1, OE2

A0 to A7

GND

Y0 to Y7

VCC

NAME AND FUNCTION

output enable input (active LOW)

data inputs

ground (0 V)

bus outputs

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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