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| BCM8105 (R) MULTI-RATE 10-GBPS CDR/DEMULTIPLEXER WITH ELECTRONIC DISPERSION COMPENSATION FEATURES * Fully integrated CDR and demultiplexer with AGC and Electronic Dispersion Compensator * Compensates 3000 ps/nm chromatic dispersion * Compensates 50 ps of digital group delay caused by PMD SUMMARY OF BENEFITS * Extends the reach of single-channel and DWDM links * Improves optical link budget * Reduces need for expensive optics and passive dispersion compensation components * * * * * * * * * * * * 1:16 demultiplexer (DEMUX) with LVDS outputs Very low power dissipation AGC with wide dynamic input range Channel quality monitor Phase and threshold adjust Two-wire interface Supports multiple data rates (OC-192, 10GE, FEC) Exceeds SONET/SDH jitter requirements 10-Gbps MSA compliant 1.8V power supply 1.8V or 3.3V CMOS I/Os 15 x 15 mm 150-pin BGA package * Reduces system and maintenance cost * Enables fast system design cycles * High integration and low power dissipation enable lower cost and higher-density systems APPLICATIONS * * * * * * * SONET/SDH transmission equipment and modules Multi-service provisioning platforms Add and drop multiplexers Cross-connects ATM equipment SONET/SDH measurement equipment Routers and switches BCM8105 Functional Block Diagram Network Interface Processor OTX ORX BCM8105 ORX OTX BCM8128 Network Interface Processor BCM8128 BCM8105 BCM8105 OVERVIEW RB_LD TH_LOS0/1/2 RB_SLOS POLSEL RxDOUT0P LOS DETECT SLOSB LOSB OUTPUT REGISTER CML Serial Input RDINP AGC RDINN RxDOUT0N 1:16 DEMUX EQUALIZER RB_OFFSETP/N ENB_OFFSET CHANNEL QUALITY MONITORING LSBSEL 2-Wire Interface RxDOUT15P RxDOUT15N RxREFCLKP RxPOCLKP Divide-by-16 RxPOCLKN LVDS Parallel Outputs LVPECL Reference Clock Input RxREFCLKN RxRATESEL0/1 RxMUTEDOUT VCP VCN RxLCKREF RxREFSEL RxMUTEPOCLK RxMUTEMCLK RxPHSADJ0/1/2 CDR RxMCLKP Divide-by-4 RxMCLKN RxLOCKERR The BCM8105 is a fully integrated, MSA-compliant, multirate SONET/SDH/10GE receiver supporting OC-192, 10GE and FEC (Forward Error Correction) datarates. The product integrates a high performance CDR (clock and data recovery), 1:16 demultiplexer, EDC (electronic dispersion compensator), LOS (loss of signal) detection circuitry and an advanced feature set. The BCM8105 provides high-jitter tolerance and low-jitter generation to comply with Optical Internetworking Forum (OIF), IEEE 802.3ae, Telcordia, ANSI, and ITU-T standards. The BCM8105 reference clock input frequency is user-selectable to the line rate divided by either 16 or 64. The reference clock output and the LVDS receive parallel bus output can be squelched under user control. The BCM8105 can be powered with a single 1.8V supply or a dual 1.8/3.3V supply without any special power supply sequencing requirements. The BCM8105 comes in a 15 x 15 mm, 150-pin BGA package. Broadcom(R), the pulse logo, and Connecting everything(R) are trademarks of Broadcom Corporation and/or its subsidiaries in the United States and certain other countries. All other trademarks mentioned are the property of their respective owners. (R) BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013 (c) 2004 by BROADCOM CORPORATION. All rights reserved. 8105-PB02-R 02/12/04 Phone: 949-450-8700 Fax: 949-450-8710 E-mail: info@broadcom.com Web: www.broadcom.com |
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