General description
The 74HC21 is a high-speed Si-gate CMOS device and is pin compatible with low-power Schottky TTL (LSTTL).
The 74HC21 provide the 4-input AND function.

FEATUREs
■ 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 +80 °C and from −40 °C to +125 °C.