74LS21 Dual 4-Input Positive and Gates IC
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The 74LS21 is an IC which contains two independent 4 input AND gate each of which performs the logic AND function.
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.