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SN74F280B Datasheet(PDF) 1 Page - Texas Instruments |
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SN74F280B Datasheet(HTML) 1 Page - Texas Instruments |
1 / 7 page SN54F280B, SN74F280B 9BIT PARITY GENERATORS/CHECKERS SDFS008A − D2932, APRIL 1986 − REVISED OCTOBER 1993 Copyright 1993, Texas Instruments Incorporated 2−1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 • Generates Either Odd or Even Parity for Nine Data Lines • Cascadable for N-Bits Parity • Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs description These universal, monolithic, 9-bit parity generators/checkers feature odd and even outputs to facilitate operation of either odd or even parity application. The word-length capability is easily expanded by cascading. The SN54F280B is characterized for operation over the full military temperature range of − 55 °C to 125 °C. The SN74F280B is characterized for operation from 0 °C to 70°C. FUNCTION TABLE NO. OF INPUTS A THRU I OUTPUTS A THRU I THAT ARE HIGH Σ EVEN Σ ODD 0, 2, 4, 6, 8 H L 1, 3, 5, 7, 9 L H logic symbol† 2k 12 E 8 A 9 B 10 C 11 D 13 F 1 G 2 H 4 I 6 5 Σ EVEN Σ ODD † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the D, J, and N packages. SN54F280B ...J PACKAGE SN74F280B ...D OR N PACKAGE (TOP VIEW) 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 E NC D NC C NC NC I NC Σ EVEN SN54F280B ...FK PACKAGE (TOP VIEW) NC − No internal connection 1 2 3 4 5 6 7 14 13 12 11 10 9 8 G H NC I Σ EVEN Σ ODD GND VCC F E D C B A 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. |
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