General description

The 74AHC/AHCT157 are high-speed Si-gate CMOS devices and are pin compatible with Low Power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.

Features

■ Balanced propagation delays

■ All inputs have a Schmitt-trigger action

■ Inputs accepts voltages higher than VCC

■ Multiple input enable for easy expansion

■ Ideal for memory chip select decoding

■ For 74AHC157 only: operates with CMOS input levels

■ For 74AHCT157 only: operates with TTL input levels

■ ESD protection:

◆ HBM JESD22-A114E exceeds 2000 V

◆ MM JESD22-A115-A exceeds 200 V

◆ CDM JESD22-C101C exceeds 1000 V

■ Multiple package options

■ Specified from −40 °C to +85 °C and from −40 °C to +125 °C