Texas Instruments CD74HC7266M96, CD74HC7266M, CD74HC7266E, CD54HC7266F3A, 8404302CA Datasheet

Data sheet acquired from Harris Semiconductor

/

SCHS219

August 1997

CD74HC7266

High Speed CMOS Logic

Quad 2-Input EXCLUSIVE NOR Gate

[ /Title
(CD74H
C7266)

Subject
(High
Speed
CMOS
Logic
Quad 2­Input
EXCLU­SIVE

Features

• Four Independent EXCLUSIVE NOR Gates

• Buffered Inputs and Outputs

• Logical Comparators

• Parity Generators and Checkers

• Adders/Subtracters

• Fanout (Over Temperature Range)

- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads

- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

o

• Wide Operating Temperature Range . . . -55

• Balanced Propagation Delay and Transition Times

• Significant Power Reduction Compared to LSTTL
Logic ICs

• HC Types

- 2V to 6V Operation

- High NoiseImmunity: N

V

= 5V

CC

= 30%, NIH= 30%of VCCat

IL

C to 125oC

Description

The Harris CD74HC7266 contains four independent
Exclusive NOR gates in one package. They provide the
system designer with a means for implementation of the
EXCLUSIVE NOR function.

This device is functionally the same as the TTL226. They
differ in that the HC7266 has active high and low outputs
whereas the 226 has open collector outputs.

Ordering Information

PKG.

PART NUMBER TEMP. RANGE (oC) PACKAGE

CD74HC7266E -55 to 125 14 Ld PDIP E14.3
CD74HC7266M -55 to 125 14 Ld SOIC M14.15

NOTES:

1. When ordering, use the entire part number. Add the suffix 96 to
obtain the variant in the tape and reel.

2. Die for this part number is available which meets all electrical
specifications. Please contact your local sales office or Harris
customer service for ordering information.

NO.

Pinout

1A
1B

1Y

2Y
2A
2B

GND

CD74HC7266

(PDIP, SOIC)

TOP VIEW

1
2
3
4
5
6
7

14

V

CC

4B

13
12

4A

11

4Y

10

3Y

9

3B

8

3A

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright

© Harris Corporation 1997

1

File Number 1780.1

Functional Diagram

CD74HC7266

1

1A

2

1B

5

2A

6

2B

8

3A

9

3B

12

4A

13

4B

TRUTH TABLE

INPUTS OUTPUT

nA nB nY

LLH

3

4

10

11

GND = 7
V

CC

1Y

2Y

3Y

4Y

= 14

Logic Symbol

LHL
HLL
HHH

NOTE: H = High Voltage Level, L = Low Voltage Level

nA

nY

nB

2