Texas Instruments 54F521
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.| Part No. | 54F521 |
|---|---|
| Datasheet | 54F521 Download |
| Manufacturer |  Texas Instruments |
| Description | 8-Bit Identity Comparators |
| Buy | Stock & Price |
● 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. 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. Q3 GND P4 Q4 P5 SN54F521, SN74F521 8ĆBIT IDENTITY COMPARATORS ą SDFS091 − MARCH 1987 − REVISED OCTOBER 1993 SN54F521 . . . J PACKAGE SN74F521 . . . DW OR N PACKAGE (TOP VIEW) OE 1 P0 2 Q0 3 P1 4 Q1 5 P2 6 Q2 7 P3 8 Q3 9 GND 10 20 VCC 19 P = Q 18 Q7 17 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.
● 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. 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. Q3 GND P4 Q4 P5 SN54F521, SN74F521 8ĆBIT IDENTITY COMPARATORS ą SDFS091 − MARCH 1987 − REVISED OCTOBER 1993 SN54F521 . . . J PACKAGE SN74F521 . . . DW OR N PACKAGE (TOP VIEW) OE 1 P0 2 Q0 3 P1 4 Q1 5 P2 6 Q2 7 P3 8 Q3 9 GND 10 20 VCC 19 P = Q 18 Q7 17 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.
