SN54ALS37A

SN54ALS37A, SN74ALS37A QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS 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 four independent 2-input positive-NAND buffers. They perform the Boolean functions Y = A B or Y = A + B in positive logic. The SN54ALS37A is characterized for operation over the full military temperature range of – 55°C to 125°C. The SN74ALS37A is characterized for operation from 0°C to 70°C. FUNCTION TABLE (each gate) INPUTS AB OUTPUT Y HH L LX H XL H SDAS195A – APRIL 1982 – REVISED DECEMBER 1994 SN54ALS37A . . . J PACKAGE SN74ALS37A . . . D OR N PACKAGE (TOP VIEW) 1A 1B 1Y 2A 2B 2Y GND 1 2 3 4 5 6 7 14 VCC 13 4B 12 4A 11 4Y 10 3B 9 3A 8 3Y SN54ALS37A . . . FK PACKAGE (TOP VIEW) 1B 1A NC VCC 4B 3 2 1 20 19 1Y 4 18 4A NC 5 17 NC 2A 6 16 4Y NC 7 15 NC 2B 8 14 3B 9 10 11 12 13 2Y GND NC 3Y 3A logic symbol† 1 1A 2 1B 4 2A 5 2B 9 3A 10 3B 12 4A 13 4B & 3 1Y 6 2Y 8 3Y 11 4Y † 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. NC – No internal connection logic diagram (positive logic) 1 1A 2 1B 4 2A 5 2B 9 3A 10 3B 12 4A 13 4B 3 1Y 6 2Y 8 3Y 11 4Y PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing doe...