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SN74ALS1020A датащи(PDF) 1 Page - Texas Instruments |
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SN74ALS1020A датащи(HTML) 1 Page - Texas Instruments |
1 / 3 page SN54ALS1020A, SN74ALS1020A DUAL 4INPUT POSITIVENAND BUFFERS SDAS 242 − D2661, APRIL 1982 − REVISED MAY 1986 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 Copyright 1986, Texas Instruments Incorporated 5BASIC 1 • Buffer Version of ’ALS20B • Package Options include Plastic Small Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs • Dependable Texas Instruments Quality and Reliability description These devices contain two independent 4-input NAND buffers. They perform the Boolean functions Y = A •B•C•B or Y = A+B+C+D positive logic. The SN54ALS1020A is characterized for opera- tion over the full military temperature range of −55 °C to 125°C. The SN74ALS1020A is characterized for operation from 0 °C to 70°C. FUNCTION TABLE (each gate) INPUTS OUTPUT A B C D Y H H H H L L XXX H X LX X H X XLX H X X X L H logic symbol† 1A 1 1B 2 5 1D 4 1C 6 1Y 2Y 8 & 2A 9 2B 10 13 2D 12 2C † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for D, J, and N packages. 1A 1B 1C 1Y 2Y 1D 2A 2B 2C 2D logic diagram (positive logic) 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B NC 1C 1D 1Y GND VCC 2D 2C NC 2B 2A 2Y SN54ALS1020A ...J PACKAGE SN74ALS1020A . . . D OR N PACKAGE (TOP VIEW) 3 2 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 2C NC NC NC 2B NC NC 1C NC 1D SN54ALS1020A . . . FK PACKAGE (TOP VIEW) NC − No internal connection 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. |
Аналогичный номер детали - SN74ALS1020A |
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Аналогичное описание - SN74ALS1020A |
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