6 Detailed Description

6.1 Overview

These devices perform the Boolean function Y = A. The open-drain outputs require pullup resistors to perform

correctly, and can be connected to other open-drain outputs to implement active-low wired-OR or active-high

wired-AND functions.

6.2 Functional Block Diagram

Y

A

6.3 Device Functional Modes

Function Table

(Each Inverter)

INPUT

A

OUTPUT

Y

H

L

L

Z

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CD54ACT05, CD74ACT05

SCHS311E – JANUARY 2001 – REVISED NOVEMBER 2024

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Product Folder Links: CD54ACT05 CD74ACT05