M74HC266B1R View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

M74HC266B1R

HC7266 QUAD EXCLUSIVE NOR GATE HC266 QUAD EXCLUSIVE NOR GATE WITH OPEN DRAIN

STMicroelectronics 

M54/M74HC266/7266

INPUT AND OUTPUT EQUIVALENT CIRCUIT

(HC266)

INPUT AND OUTPUT EQUIVALENT CIRCUIT

(HC7266)

PIN DESCRIPTION

PIN No

1, 5, 8, 12

2, 6, 9, 13

3, 4, 10, 11

7

14

SYMBOL

1A to 4A

1B to 4B

1Y to 4Y

GND

VCC

NAME AND FUNCTION

Data Inputs

Data Inputs

Data Outputs

Ground (0V)

Positive Supply Voltage

IEC LOGIC SYMBOLS

HC266

TRUTH TABLE

A

B

L

L

L

H

H

L

H

H

Z: High Impedance

Y

7266

266

H

Z

L

L

L

L

H

Z

HC7266

2/11

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