DM74LS266 Datasheet, PDF (1/4 Pages) Fairchild Semiconductor – Quad 2-Input Exclusive-NOR Gate with Open-Collector Outputs

March 1989
Revised March 2000
DM74LS266
Quad 2-Input Exclusive-NOR Gate
with Open-Collector Outputs
General Description
This device contains four independent gates each of which
performs the logic exclusive-NOR function. Outputs are
open collector.
Ordering Code:
Order Number Package Number
Package Description
DM74LS266M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow
DM74LS266N
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Truth Table
Inputs
A
B
L
L
L
H
H
L
H
H
H = HIGH Voltage Level
L = LOW Voltage Level
Outputs
Y
H
L
L
H
© 2000 Fairchild Semiconductor Corporation DS010182
www.fairchildsemi.com