1 Features

1• Functionally Equivalent to QS3253

• 5-Ω Switch Connection Between Two Ports

• Rail-to-Rail Switching on Data I/O Ports

• Ioff Supports Partial-Power-Down Mode Operation

• Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

2 Applications

• Video Broadcasting: IP-Based Multi-Format

Transcoders

• Video Communications Systems

3 Description

The SN74CBTLV3253 device is a dual 1-of-4 highspeed

FET multiplexer and demultiplexer. The low

ON-state resistance of the switch allows connections

to be made with minimal propagation delay.

The select (S0, S1) inputs control the data flow. The

FET multiplexers/demultiplexers are disabled when

the associated output-enable (OE) input is high.

The SN74CBTLV3253 device is fully specified for

partial-power-down applications using Ioff. The Ioff

feature ensures that damaging current will not

backflow through the device when it is powered

down. The device has isolation during power off.