
SN54HC266, SN74HC266
QUADRUPLE 2INPUT EXCLUSIVENOR GATES
WITH OPENDRAIN OUTPUTS
SCLS135F DECEMBER 1982 REVISED AUGUST 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Wide Operating Voltage Range of 2 V to 6 V
D High-Current Inverting Outputs Drive Up To
10 LSTTL Loads
D Low Power Consumption, 20-A Max ICC
D Typical tpd = 10 ns
D ±4-mA Output Drive at 5 V
D Low Input Current of 1 A Max
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1A
1B
1Y
2Y
2A
2B
GND
VCC
4B
4A
4Y
3Y
3B
3A
SN54HC266 ...J OR W PACKAGE
SN74HC266 . . . D, N, OR NS PACKAGE
(TOP VIEW)
32 1 20 19
910 11 1213
4
5
6
7
8
18
17
16
15
14
4A
NC
4Y
NC
3Y
1Y
NC
2Y
NC
2A
1B
1A
NC
3A
3B
V
4B
2B
GND
NC
SN54HC266 . . . FK PACKAGE
(TOP VIEW)
CC
NC No internal connection
description/ordering information
The ’HC266 devices have four independent 2-input exclusive-NOR gates and feature open-drain outputs. They
perform the Boolean function Y = A
B or Y = AB + AB in positive logic.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP N
Tube of 25
SN74HC266N
Tube of 50
SN74HC266D
40
°C to 85°C
SOIC D
Reel of 2500
SN74HC266DR
HC266
40 C to 85 C
SOIC D
Reel of 250
SN74HC266DT
HC266
SOP NS
Reel of 2000
SN74HC266NSR
HC266
CDIP J
Tube of 25
SNJ54HC266J
55
°C to 125°C
CFP W
Tube of 150
SNJ54HC266W
55 C to 125 C
LCCC FK
Tube of 55
SNJ54HC266FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright
2003, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information current as of publication date. Products conform to
specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all
parameters.