SN74F521 - Texas Instruments

SN74F521 8-Bit Identity Comparators

These identity comparators perform comparisons on two 8-bit binary or BCD words. They provide P = Q outputs. The SN54F521 is characterized for operation over the full military temperature range of − 55°C to 125°C. The SN74F521 is characterized for operation from 0°C to 70°C. FUNCTION TABLE INPUTS P, Q OE OUTPUT P=Q P=Q L L P≠Q X H X H H logic symb.

Features

P7 16 Q6 15 P6 14 Q5 13 P5 12 Q4 11 P4 SN54F521 . . . FK PACKAGE (TOP VIEW) Q0 P0 OE VCC P=Q P1 3 2 1 20 19 4 18 Q7 Q1 5 17 P7 P2 6 16 Q6 Q2 7 15 P6 P3 8 14 Q5 9 10 11 12 13 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. Copyright  1993, Texas Instruments Incorporated
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• POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443 2−1 SN54F521, SN74F521 8ĆBIT IDE.