vsc3303 www.vitesse.com p roduct b rief 8.5 gbps 4 4 crosspoint switch applications ? wideband signal switching and clean-up ? line driver or receiver ? backplane signal fanout, driver, or receiver ? copper cable ? pcb signal enhancement ? high-speed signal conditioner features benefits 8.5 gbps non-return-to-zero (nrz) data bandwidth transparent support for virtually all data rates and protocols fully non-blocking and multicasting switch core with per-pin signal inversion capability allows complete flexibility in routing and distributing signals multiple time-constant programmable input and output equalization compensates for multiple impairments in a signal path wide equalization adjustment range supports all types of interconnect media such as pcb, backplanes, and cable fully asynchronous operation with <1 ns latency no adjustm ents based on data rate or reference clock required los detection and forwarding oob forwardng for protocols such as sas and sata small 7 mm 7 mm bga package with 1.0 mm pin pitch convenient size and pin spacing for signal routing flexibility switch core programming interface outputs [3:0] inputs [3:0] eq eq block diagram: vsc3303
? 2009 by vitesse semiconductor corporati on. vppd-02410 revision 1. 0. vitesse semiconductor corporation ("vitesse") retains the right to make changes to its products or spec- ifications. as such, all information in this document, including descriptions of features, functions, performance, technical sp ecifications and availability , is subject to change without notice at any time, and vitesse assumes no responsibility for use of any information herein. nothing contained herein conveys t o the purchaser of microelectronic devices any license under the patent or any other intellectual property rights of any manufacturer. vitesse?, and numerous other trademark s, are trademarks of vitesse in the united states and/or other jurisdictions. other trademarks used herein that are not the property of vitesse are the property of their respect ive owners. while vitesse products support iec 60825, use of vitesse products does not ensure compliance to iec 60825. bu yers are responsible for ensuri ng compliance to iec 60825. buy ers must fully indemnify vitesse for any dam- ages resulting from non-compliance to iec 60825. vsc3303 general description the vsc3303 is a 4-port 8.5 gbps asynchronous switch with advanced signal equalization designed for high-speed serial backplanes and cable interconnect applications. vsc3303 switches have multicast and loopback capability for great flexibility in alloca ting and routing signals in a broad range of applications. the vsc3303 includes dual time-constant equalization, significantly reducing jitter associated with driving multigigabit signals across backplanes and cables. using a fully asynchronous architecture supports any data rate or protocol on any channel without the need for an external reference clock. this gives the vsc3303 wire-like interoperability in virt ually any applicatio n that uses binary signaling. the vsc3303 can also be used as a buffer that simplifies and enhances the design of high-speed signal paths by providing signal equalization at both inputs and outputs to reduce or reverse signal degradation due to transmission line effects. featuring programmable input signal equalization and output pre-emphasis, each with multiple time constants, the vsc3303 is also ideal for coun tering signal degradation over a wide variety of transmission media types and lengths. typical power consumption for the device is 200 mw per active channel, and unused channels can be de-activated to save the power associated with those ports. the output drivers for the vsc3303 also feature a wide supply voltage range from 1.8 v to 3.3 v fo r flexibility in matching the output swing to the application requirements. the vsc3303 has a loss of signal (los) detector with programmable thresholds on every input port. los forwarding can be enabled for each of the outputs, which will cause the outputs to be sq uelched in response to a los detect at the correspondin g input, thereby propagating signal envelopes through the switch. vsc3303 programming is through a standard two-wire serial interface. the interface address can be hardwired through static pins or through a proprietary two-pin interface that allows for address assignment after power-up. specifications ? 8.5 gbps nrz per-channel data rate ? 2.5 v core; 1.8 v, 2.5 v, and 3.3 v high-speed i/o related vitesse products visit www.vitesse.com for information ab out these related vitesse products: ? vsc3303: 8.5 gbps 4 4 crosspoint switch ? vsc8238-03: 8.5 gbps transceiver with equalization and clock and data recovery ? vsc7344-01: 24-port ethernet mac backplane central switch backplane application asic/ fpga asic/ fpga vsc3303 vsc3303 4 4 4 4 vsc3144-08
|
