SN74AS21
SN74AS21 is Dual 4-Input Positive-AND Gate manufactured by Texas Instruments.
description
These devices contain two independent 4-input positive-AND gates. They perform the Boolean functions Y = A
- B
- C
- D or Y = A + B + C + D in positive logic.
The SN54ALS21A and SN54AS21 are characterized for operation over the full military temperature range of
- 55°C to 125°C. The SN74ALS21A and SN74AS21 are characterized for operation from 0°C to 70°C.
FUNCTION TABLE (each gate)
INPUTS
OUTPUT
L logic...
