Datasheet

SN54AS867, SN54AS869
SN74ALS867A, SN74ALS869, SN74AS867, SN74AS869
SYNCHRONOUS 8-BIT UP/DOWN COUNTERS
SDAS115C – DECEMBER 1982 – REVISED JANUARY 1995
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
description (continued)
The SN54AS867 and SN54AS869 are characterized for operation over the full military temperature range of
–55°C to 125°C. The SN74ALS867A, SN74ALS869, SN74AS867, and SN74AS869 are characterized for
operation from 0°C to 70°C.
FUNCTION TABLE
S1
S0 FUNCTION
L L Clear
L H Count down
H L Load
H H Count up