General description

The 74HC253; 74HCT253 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL).

Features and benefits

■ Non-inverting data path

■ 3-state outputs interface directly with system bus

■ Complies with JEDEC standard no. 7A

■ Common select inputs

■ Separate output enable inputs

■ Input levels:

◆ For 74HC253: CMOS level

◆ For 74HCT253: 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

Applications

■ Data selectors

■ Data multiplexers