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SN74F38D датащи(PDF) 1 Page - Texas Instruments |
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SN74F38D датащи(HTML) 1 Page - Texas Instruments |
1 / 5 page SN54F38, SN74F38 QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS WITH OPEN-COLLECTOR OUTPUTS SDFS013A – MARCH 1987 – REVISED OCTOBER 1993 Copyright © 1993, Texas Instruments Incorporated 2–1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 • Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs description These devices contain four independent 2-input NAND buffer gates with open-collector outputs. They perform the Boolean functions Y = A • B or Y = A + B in positive logic. The open-collector outputs require pullup resistors to perform correctly. They may be connected to other open-collector outputs to implement active-low wired-OR or active-high wired-AND functions. Open-collector devices are often used to generate higher VOH levels. The SN54F38 is characterized for operation over the full military temperature range of – 55 °C to 125 °C. The SN74F38 is characterized for operation from 0 °C to 70°C. FUNCTION TABLE (each gate) INPUTS OUTPUT A B Y H H L L XH X L H logic symbol† logic diagram (positive logic) 1 1A 2 1B 4 2A 5 2B 9 3A 10 3B 12 4A 13 4B & 1Y 3 2Y 6 3Y 8 4Y 11 1Y 3 1 1A 2 1B 2Y 6 4 2A 5 2B 3Y 8 9 3A 10 3B 4Y 11 12 4A 13 4B † 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. SN54F38 ...J PACKAGE SN74F38 ...D OR N PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B 1Y 2A 2B 2Y GND VCC 4B 4A 4Y 3B 3A 3Y SN54F38 . . . FK PACKAGE (TOP VIEW) 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 4A NC 4Y NC 3B 1Y NC 2A NC 2B 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 - SN74F38D |
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Аналогичное описание - SN74F38D |
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