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1FEATURES

2? DC - 1.5 Gbps Low Jitter, Low Skew, Low

Power Operation

? Wide Input Common Mode Voltage Range

Allows for DC-Coupled Interface to LVDS, CML

and LVPECL Drivers

? Redundant Inputs

? LOS Circuitry Detects Open Inputs Fault

Condition

? Integrated 100Ω Input and Output

Terminations

? 8 kV ESD on LVDS I/O Pins Protects Adjoining

Components

? Small 6 mm x 6 mm WQFN-40 Space Saving

Package

APPLICATIONS

? Clock Distribution

? Clock and Data Buffering and Muxing

? OC-12 / STM-4

? SD/HD SDI Routers

DESCRIPTION

The DS10BR254 is a 1.5 Gbps 1:4 LVDS repeater

optimized for high-speed signal routing and

distribution over FR-4 printed circuit board

backplanes and balanced cables. Fully differential

signal paths ensure exceptional signal integrity and

noise immunity.

The device has two different LVDS input channels

and a select pin determines which input is active. A

loss-of-signal (LOS) circuit monitors both input

channels and a unique LOS pin is asserted when no

signal is detected at that input.

Wide input common mode range allows the switch to

accept signals with LVDS, CML and LVPECL levels;

the output levels are LVDS. A very small package

footprint requires a minimal space on the board while

the flow-through pinout allows easy board layout.

Each differential input and output is internally

terminated with a 100Ω resistor to lower device return

losses, reduce component count and further minimize

board space.