HD74HC240 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74HC240

Octal Buffers/Line Drivers/Line Receivers (with inverted 3-state outputs)

Hitachi -> Renesas Electronics 

HD74HC240

Octal Buffers/Line Drivers/Line Receivers

(with inverted 3-state outputs)

Description

The HD74HC240 is an inverting buffer and has two active low enables (1G and 2G). Each enable

independently controls 4 buffers. This device does not have schmitt trigger inputs.

Features

• High Speed Operation: tpd = 10 ns typ (CL = 50 pF)

• High Output Current: Fanout of 15 LSTTL Loads

• Wide Operating Voltage: VCC = 2 to 6 V

• Low Input Current: 1 µA max

• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

Function Table

Inputs

G

A

H

X

L

H

L

L

H : high level

L : low level

X : irrelevant

Z : off (high-impedance) state of a 3-state output

Output

Y

Z

L

H

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