DUAL 4-INPUT POSITIVE-AND GATE
SN54LS21, SN74LS21 DUAL 4-INPUT POSITIVE-AND GATES SDLS139 – APRIL 1985 – 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, TEX...