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    • Texas Instruments
    • 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 t
    • Original
    • Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
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