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.
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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2−1
SN54F521, SN74F521 8ĆBIT IDE.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | SN74F521 |
Texas Instruments |
8-Bit Identity Comparators | |
2 | SN74F541 |
Texas Instruments |
OCTAL BUFFERS/DRIVERS | |
3 | SN74F541N |
Texas Instruments |
OCTAL BUFFERS/DRIVERS | |
4 | SN74F543 |
Texas Instruments |
OCTAL REGISTERED TRANSCEIVER | |
5 | SN74F573 |
Texas Instruments |
Octal Transparent D-Type Latches | |
6 | SN74F574 |
Texas Instruments |
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP | |
7 | SN74F574N |
Texas Instruments |
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP | |
8 | SN74F00 |
Texas Instruments |
QUADRUPLE 2-INPUT POSITIVE-NAND GATES | |
9 | SN74F02 |
Texas Instruments |
QUADRUPLE 2-INPUT POSITIVE-NOR GATES | |
10 | SN74F04 |
Texas Instruments |
HEX INVERTERS | |
11 | SN74F08 |
Texas Instruments |
QUADRUPLE 2-INPUT POSITIVE-AND GATE | |
12 | SN74F10 |
Texas Instruments |
TRIPLE 3-INPUT POSITIVE-NAND GATE |