SN74AHCT1G86

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SCLS324M – MARCH 1996 – REVISED MARCH 2015

8 Detailed Description

8.1 Overview

The SN74AHCT1G86 is a single 2-input exclusive-OR gate. The device performs the Boolean function

Y = A

⊕ B or Y = AB + AB in positive logic.

To ensure the high-impedance state during power up or power down, OE should be tied to GND through a

pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

8.2 Functional Block Diagram

Figure 3. Exclusive-OR Logic

8.3 Feature Description

The device is ideal for operating in a 5-V logic system. The low propagation delay allows fast switching and

higher speeds of operation. In addition, the low power consumption makes this device a good choice for portable

and battery power-sensitive applications.

8.4 Device Functional Modes

Table 1. Function Table

INPUTS

OUTPUT

A

B

Y

L

L

L

L

H

H

H

L

H

H

H

L

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