The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
SN54LS668, SN54LS669, SN74LS668, SN74LS669 SYNCHRONOUS 4-BIT UP/DOWN COUNTERS
SDLS192 – APRIL 1977 – REVISED MARCH 1988
PRODUCTION DATA information is 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.