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HD74BC541A

Octal Buffers/Line Drivers With 3 State Outputs

Hitachi -> Renesas Electronics 

HD74BC541A

Octal Buffers/Line Drivers With 3 State Outputs

ADE-205-023 (Z)

1st. Edition

Feb. 1994

Description

The HD74BC541A provides high drivability and operation equal to or better than high speed bipolar

standard logic IC by using Bi-CMOS process. The device features low power dissipation that is about 1/5

of high speed bipolar logic IC, when the frequency is 10 MHz. The device has eight inverter drivers with

three state outputs in a 20 pin package. When G1 and G2 is low level, this drivers set up output is enable.

Features

• Input/Output are at high impedance state when power supply is off.

• Built in input pull up circuit can make input pins be open, when not used.

• Input is TTL level.

• Wide operating temperature range

Ta = –40 to +85°C

Function Table

Inputs

G1

G2

A

L

L

L

L

L

H

H

X

X

X

H

X

H : High level

L : Low level

X : Immaterial

Z : High impedance

Output Y

L

H

Z

Z

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