LVDS 4x4 CROSSPOINT SWITCH
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SN65LVDS250 SN65LVDT250
SLLS594B – MARCH 2004 – REVISED OCTOBER 2004
LVDS 4x4 CROSSPOINT SWITCH
FEATURES
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Description
www.ti.com
SN65LVDS250 SN65LVDT250
SLLS594B – MARCH 2004 – REVISED OCTOBER 2004
LVDS 4x4 CROSSPOINT SWITCH
FEATURES
Greater Than 2.0 Gbps Operation Nonblocking Architecture Allows Each
Output to be Connected to Any Input
Pk-Pk Jitter: – 60 ps Typical at 2.0 Gbps
– 110 ps Typical at 2.5 Gbps
Compatible With ANSI TIA/EIA-644-A LVDS Standard
Available Packaging 38-Pin TSSOP 25 mV of Input Voltage Threshold Hysteresis Propagation Delay Times: 800 ps Typical Inputs Electrically Compatible With LVPECL,
CML and LVDS Signal Levels
Operates From a Single 3.3-V Supply Low Power: 110 mA Typical Integrated 110-Ω Line Termination Resistors
Available With SN65LVDT250
APPLICATIONS
Clock Buffering/Clock Muxing Wireless Base Stations High-Speed Network Routing Telecom/Datacom
DESCRIPTION
The SN65LVDS250 and SN65LVDT250 are 4x4 nonblocking crosspoint switches in a flow-through pin-out allowing for ease in PCB layout. Low-voltage differential signaling (LVDS) is used to achieve a high-speed data throughput while using low power. Each of the output drivers includes a 4:1 multiplexer to allow any input to be routed to any output. Internal signal paths are fully differential to achieve the high signaling speeds while maintaining low signal skews. The SN65LVDT250 incorporates 110-Ω termination resistors for those applications where board space is a premium.
The SN65LVDS250 and SN65LVDT250 are characterized for operation from -40°C to 85°C.
75 mV/div
SN65LVDS250DBT ...
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