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