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.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265 Copyright © 1988, Texas Instruments Incorporated 1 SN54LS668, SN74LS668 SYNCHR
