General description

The 74HC27; 74HCT27 is a triple 3-input NOR 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

■ Complies with JEDEC standard no. 7A

■ Input levels:

◆ For 74HC27: CMOS level

◆ For 74HCT27: TTL level

■ ESD protection:

◆ HBM JESD22-A114F 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