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SN54F521J - 8-Bit Identity Comparators

Download the SN54F521J datasheet PDF. This datasheet also covers the SN54F521 variant, as both devices belong to the same 8-bit identity comparators family and are provided as variant models within a single manufacturer datasheet.

Description

These identity comparators perform comparisons on two 8-bit binary or BCD words.

They provide P = Q outputs.

55°C to 125°C.

The SN74F521 is characterized for operation from 0°C to 70°C.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SN54F521-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
SN54F521 8-Bit Identity Comparators
SN54F541 OCTAL BUFFERS/DRIVERS
SN54F573 Octal Transparent D-Type Latches
SN54F00 QUADRUPLE 2-INPUT POSITIVE-NAND GATES
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Full PDF Text Transcription

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• Compares Two 8-Bit Words • Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs description 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 symbol† 1 OE 2 P0 4 P1 6 P2 8 P3 11 P4 13 P5 15 P6 17 P7 3 Q0 5 Q1 7 Q2 9 Q3 12 Q4 14 Q5 16 Q6 18 Q7 COMP 0 P 7 1P = Q 0 Q 7 19 P=Q † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
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