6 Detailed Description

6.1 Functional Block Diagram

An exclusive-OR gate has many applications, some of which can be represented better by alternative logic

symbols.

Figure 6-1. Exclusive-OR Logic

These five equivalent exclusive-OR symbols are valid for an ’ACT86 gate in positive logic; negation may be

shown at any two ports.

6.2 Device Functional Modes

Table 6-1. Function Table (Each Gate)

INPUTS

OUTPUT Y

A

B

L

L

L

L

H

H

H

L

H

H

H

L

SN54ACT86, SN74ACT86

SCAS534E – AUGUST 1995 – REVISED APRIL 2025

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