SN74LS190 - SYNCHRONOUS UP/DOWN COUNTERS
SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 DECEMBER 1972 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, Tex.