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1.5 Gbps 4x4 LVDS Crosspoint Switch
National Semiconductor
Description
DS90CP04 is a 4x4 digital cross-point switch with broadside input and output pins for efficient board layout. It utilizes Low Voltage Differential Swing (LVDS) technology for low power, high-speed operation. Data paths are fully differential from input to output for low noise. The non-blocking architecture allows connections of any input to any output or outputs. The switch matrix consists of four differential 4:1 multiplexes. Each output channel connects to one of the four inputs common to all multiplexers. A simple serial control interface or a configuration select port is activated by the state of the MODE pin. When utilizing the serial control interface a single load command will update the new switch configuration for all outputs simultaneously.
Features
• DC - 1.5 Gbps low jitter, low skew operation
• Pin and Serial Interface configurable, fully differential, non-blocking architecture
• Wide Input Common Mode Voltage Range enables easy interface to LVDS/LVPECL/2.5V-CML drivers
• TRI-STATE LVDS outputs
• Serial Control Interface with read-back capability
• Double register loading
• Single +2.5V supply
• Small 6x6 mm LLP-32 space saving package
• Fabricated with advanced CMOS process technology
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