74HC540D-T datasheet(3/7 Pages) NXP

Part #	74HC540D-T

Description	Octal buffer/line driver; 3-state inverting

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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3 / 7 page

December 1990

3

Philips Semiconductors

Product speciﬁcation

Octal buffer/line driver; 3-state; inverting

74HC/HCT540

PIN DESCRIPTION

PIN NO.

SYMBOL

NAME AND FUNCTION

1, 19

OE1, OE2

output enable input (active LOW)

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

A0 to A7

data inputs

10

GND

ground (0 V)

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

Y0 to Y7

bus outputs

20

VCC

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

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