SN74AS20
SN74AS20 is Dual 4-Input Positive-NAND Gate manufactured by Texas Instruments.
- Part of the SN74ALS20A comparator family.
- Part of the SN74ALS20A comparator family.
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
SDAS192B
- APRIL 1982
- REVISED DECEMBER 1994
SN54ALS20A, SN54AS20 . . . J PACKAGE SN74ALS20A, SN74AS20 . . . 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
SN54ALS20A, SN54AS20 . . . FK PACKAGE (TOP VIEW)
2D
FUNCTION TABLE (each gate)
INPUTS
OUTPUT...
