SN74AS1000A

SN54AS1000A, SN74AS1000A QUADRUPLE 2ĆINPUT POSITIVEĆNAND BUFFERS/DRIVERS Driver Version of ′AS00 High Capacitive-Drive Capability 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/drivers. They perform the Boolean functions Y = A B or Y = A + B in positive logic. The SN54AS1000A is characterized for operation over the full military temperature range of − 55°C to 125°C. The SN74AS1000A is characterized for operation from 0°C to 70°C. FUNCTION TABLE (each gate) INPUTS A B OUTPUT Y H H L L X H X L H SDAS056B − APRIL 1984 − REVISED JANUARY 1995 SN54AS1000A . . . J PACKAGE SN74AS1000A . . . D OR N PACKAGE (TOP VIEW) 1A 1 1B 2 1Y 3 2A 4 2B 5 2Y 6 GND 7 14 VCC 13 4B 12 4A 11 4Y 10 3B 9 3A 8 3Y SN54AS1000A . . . FK PACKAGE (TOP VIEW) 4B VCC NC 1A 1B 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 3A 3Y NC GND 2Y NC − No internal connection 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. 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. ...