(Hong Kong)
Product Summary
The VSC870 serial backplane transceiver has been designed to operate with the VSC880 serial crosspoint switch
to establish a synchronous high performance switching system.
The VSC870 can also connect directly to another transceiver to act as a high bandwidth backplane interconnect link.
The VSC870 The transmitter converts a 32-bit parallel interface operating at 62.5Mb/s to a 34-bit serial data stream operating a 2.125Gb/s.
The receiver converts a 34-bit serial interface operating at 2.125Gb/s to a 32-bit parallel interface operating at 62.5Mb/s.
The transceiver performs automatic bit alignment, word alignment and cell alignment to a connected switch chip or another transceiver.
The parallel interface has been designed with industry-standard FIFOs in mind to provide such features as automatic
packet retransmission, multicast with retransmission, camp-on and support for virtual output queues. These features
can also be bypassed to give the user direct control of the serial data stream.
Features
(1)Performs 32-Bit Parallel to Serial and Serial to ; (2)Parallel Functions; (3)Serial Data Rates are 2.0Gb/s; (4)Designed in Conjunction with the VSC880 Serial ; (5)Crosspoint Switch; (6)Performs Bit Alignment, Word Alignment and ; (7)Cell Alignment; (8)Three Modes of Operation: ; (9)Distributed Control Packet Mode, Central ; (10)Control Cell Mode and Direct Mode; (11)Support for Multicast and Multiple Input Queues; (12)Supports Priorities, Camp-on and ; (13)Retransmission Capability in Packet Mode; (14)Built-in Flow Control Channel in Packet Mode; (15)Supports Cell Synchronization in Cell Mode; (16)Interfaces Directly with Industry Standard ; (17)FIFOs; (18)Contains Redundant Serial I/Os and Internal ; (19)Loopback Mode; (20)5V Tolerant TTL Inputs; (21)Single 3.3V Power Supply; (22)Available in 192 BGA Package
Diagrams
<IMG border=0 src="http://www.seekic.com/uploadfile/ic-mfg/201262943617439.jpg">
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