1 Features

• AEC-Q100 qualified for automotive applications:

– Device temperature grade 1: -40°C to +125°C

– Device HBM ESD classification level 2

– Device CDM ESD classification level C4B

• Available in wettable flank QFN package

• Operating voltage range of 4.5V to 5.5V

• TTL-compatible inputs

• Continuous ±24mA output drive at 5V

• Supports up to ±75mA output drive at 5V

in short bursts

• Drives 50Ω transmission lines

• Fast operation with delay of 7.7ns max at 5V

2 Applications

• Data selection

• Multiplexing

3 Description

The SN74ACT257-Q1 contains four 2-to-1 digital

multiplexers with shared select (A/B) and output

enable (OE) inputs.