General description
The 74HC21 is a dual 4-input AND gate. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.

FEATUREs and benefits
■ Low-power dissipation
■ Complies with JEDEC standard no. 7A
■ ESD protection:
    ◆ HBM JESD22-A114E exceeds 2000 V
    ◆ MM JESD22-A115-A exceeds 200 V
■ Multiple package options
■ Specified from -40 °C to +85 °C and from -40 °C to +125 °C.