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SN74ALS27ADG4 Folha de dados(PDF) 1 Page - Texas Instruments |
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SN74ALS27ADG4 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 18 page SN54ALS27A, SN54AS27, SN74ALS27A, SN74AS27 TRIPLE 3INPUT POSITIVENOR GATES SDAS112B − APRIL 1982 − REVISED DECEMBER 1994 Copyright 1994, Texas Instruments Incorporated 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 • Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs description These devices contain three independent 3-input positive-NOR gates. They perform the Boolean functions Y = A • B • C or Y = A + B + C in positive logic. The SN54ALS27A and SN54AS27 are characterized for operation over the full military temperature range of − 55 °C to 125°C. The SN74ALS27A and SN74AS27 are characterized for operation from 0 °C to 70°C. FUNCTION TABLE (each gate) INPUTS OUTPUT A B C OUTPUT Y H X X L X HX L X XH L L L L H logic symbol† logic diagram (positive logic) 1 1A 2 1B 13 1C 1Y 12 3 2A 4 2B 5 2C 2Y 6 9 3A 10 3B 11 3C 3Y 8 ≥1 2 1B 1Y 12 13 1C 1 1A 4 2B 2Y 6 5 2C 3 2A 10 3B 3Y 8 11 3C 9 3A † 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. SN54ALS27A, SN54AS27 ...J PACKAGE SN74ALS27A, SN74AS27 ...D OR N PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B 2A 2B 2C 2Y GND VCC 1C 1Y 3C 3B 3A 3Y SN54ALS27A, SN54AS27 . . . FK PACKAGE (TOP VIEW) 3 2 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 1Y NC 3C NC 3B 2A NC 2B NC 2C 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. |
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Descrição semelhante - SN74ALS27ADG4 |
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