74LS21 IC - Dual 4-input AND Gate IC (7421 IC)
Specification:
Features of 74LS21 Dual 4-Input Positive and Gates IC:
Supply Voltage: 5.25 V.
HIGH Level Input Voltage: 2 V.
LOW Level Input Voltage: 0.8 V.
HIGH Level Output Current: − 0.4 ma.
LOW Level Output Current : 8 ma.
Operating Temperature: 0 ~ 70 °C.