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SN74ALS20A - Dual 4-Input Positive-NAND Gate

Description

These devices contain two independent 4-input positive-NAND gates.

B C

D or Y = A + B + C + D in positive logic.

55

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Full PDF Text Transcription

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SN54ALS20A, SN54AS20, SN74ALS20A, SN74AS20 DUAL 4ĆINPUT POSITIVEĆNAND GATES • 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 two independent 4-input positive-NAND gates. They perform the Boolean functions Y = A • B • C • D or Y = A + B + C + D in positive logic. The SN54ALS20A and SN54AS20 are characterized for operation over the full military temperature range of − 55°C to 125°C. The SN74ALS20A and SN74AS20 are characterized for operation from 0°C to 70°C. 1B 1A NC VCC SDAS192B − APRIL 1982 − REVISED DECEMBER 1994 SN54ALS20A, SN54AS20 . . . J PACKAGE SN74ALS20A, SN74AS20 . . .
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