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74F20

Part Number	74F20
Manufacturer	Texas Instruments
Description	DUAL 4-INPUT POSITIVE-NAND GATES
Published	Dec 22, 2021
Detailed Description	SN54F20, SN74F20 DUAL 4-INPUT POSITIVE-NAND GATES • Package Options Include Plastic Small-Outline Packages, Ceramic Chi...
Datasheet	74F20 PDF File

Overview

SN54F20, SN74F20 DUAL 4-INPUT POSITIVE-NAND GATES • Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs description These devices contain two independent 4-input NAND gates.
They perform the Boolean functions Y = A • B • C • D or Y = A + B + C + D in positive logic.
The SN54F20 is characterized for operation over the full military temperature range of – 55°C to 125°C.
The SN74F20 is characterized for operation from 0°C to 70°C.
SDFS041A – MARCH 1987 – REVISED OCTOBER 1993 SN54F20 .
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J PACKAGE SN74F20 .
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D OR N PACKAGE (TOP VIEW) 1A 1 1B 2 NC 3 1C 4 1D 5 1Y 6 GND 7 14 VCC 13 2D 12 2C 11 NC 10 2B 9 2A 8 2Y SN54F20 .
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FK PACKAGE (TOP VIEW) 2D VCC NC 1A 1B FUNCTION TABLE (each gate) INPUTS OUTPUT A B C D Y H H H H L L X X X H X L X X H X X L X H X X X L H logic symbol† 1 1A & 2 1B 4 1C 5 1D 9 2A 10 2B 12 2C 13 2D NC 3 2 1 20 19 4 18 2C NC 5 17 NC 1C 6 16 NC NC 7 15 NC 1D 8 14 2B 9 10 11 12 13 2A 2Y NC GND 1Y NC – No internal connection 6 1Y 8 2Y † 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.
logic diagram, each gate (positive logic) A B Y C D 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.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265 Copyright © 1993, Texas Instruments Incorporated 2–1 SN54F20, SN74F20 DUAL 4-INPUT POSITIVE-NAND GATES SDFS041A – MARCH 1987 – REVISED OCTOBER 1993 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC .
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– 0.
5 V to 7 V Input voltage ...

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