7421 (Dual 4-Input Positive and Gates )is an IC which contains two independent 4 input AND gate each of which performs the logic AND function.
- 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.