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DS10BR254

National Semiconductor
Part Number DS10BR254
Manufacturer National Semiconductor
Description 1.5 Gbps 1:4 LVDS Repeater
Published Jan 19, 2009
Detailed Description DS10BR254 1.5 Gbps 1:4 LVDS Repeater December 14, 2007 www.DataSheet4U.com DS10BR254 1.5 Gbps 1:4 LVDS Repeater Gener...
Datasheet PDF File DS10BR254 PDF File

DS10BR254
DS10BR254

Overview
DS10BR254 1.
5 Gbps 1:4 LVDS Repeater December 14, 2007 www.
DataSheet4U.
com DS10BR254 1.
5 Gbps 1:4 LVDS Repeater General 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.
Features ■ 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 LLP-40 space saving package Applications ■ ■ ■ ■ Clock distribution Clock and data buffering and muxing OC-12 / STM-4 SD/HD SDI Routers Typical Application 30007803 © 2007 National Semiconductor Corporation 300078 www.
national.
com DS10BR254 Ordering Code NSID www.
DataSheet4U.
com DS10BR254TSQ Function 1:4 Repeater Block Diagram 30007801 Connection Diagram 30007802 DS10BR254 Pin Diagram www.
national.
com 2 DS10BR254 Pin Descriptions Pin Name IN1+, IN1-, IN2+, IN2-, OUT0+, OUT0-, OUT1+, OUT1-, OUT2+, OUT2-, OUT3+, OUT3SEL_in LOS1, LOS2 PWDN0, PWDN1, PWDN2, PWDN3 PWDN...


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