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| BCM8152 (R) 10 GBPS TRANSCEIVER WITH 10G CLOCK, BUS SKEW, AND LIMITING AMPLIFIER FEATURES * * * * * * * * * * * * * * * * 10-Gigabit MSA (Multi-Source Agreement) compatible Fully integrated multi-rate CDR, DEMUX, CMU, and MUX 16-bit LVDS interface 10-gigabit serial transmitter clock output Limiting amplifier On-chip PLL-based clock generator Line and system loopback modes Receiver and transmitter serial data polarity invert Bit order reversal Analog loss-of-signal output (ALOSB) and input (LOSIB) Tx and Rx lock detect 10-word FIFO with overflow alarm absorbs system clock jitter Reference clock: 1/16 or 1/64 of the selectable data rate Selectable Rx clock and Rx data squelch upon ALOSB Selectable loop timing mode SUMMARY OF BENEFITS * Provides compliance Optical Internetworking Forum (OIF), Telcordia, ITU-T, and IEEE 802.3ae standards. * Reduces design cycle and time to market. * High level of integration allows for higher port density solutions. * Uses the most effective silicon economy of scale for CMOSbased devices. * Standard CMOS fabrication process. APPLICATIONS * * * * * * * OC-192/STM-64/10 GE/FEC transmission equipment SONET/SDH/10 GE/FEC optical modules ADD/DROP multiplexers Digital cross-connects ATM switch backbone SONET/SDH/10 GE/FEC test equipment Terabit and edge routers Internal phase detector and charge pump for cleanup PLL, external VCXO required * Power supplies: core, LVPECL, LVDS output, and CML at 1.8V, LVDS input and CMOS I/O at 1.8 or 3.3V * Power dissipation: 1.2W typical BCM8152 Functional Block Diagram Network Interface Processor OTX ORX 16 16 ORX OTX Network Interface Processor 16 16 BCM8152 BCM8152 OVERVIEW POR TxRESETB FIFO Control Write Pointer TxFIFOERRB TxPICLKSEL SKEW1/0 TxPOLSEL TxLSBSEL Input Register TxPICLKP TxPICLKN 16 x 10 FIFO 16 16:1 MUX Output Retimer B TSDP TSDN CML Serial Input LVDS Parallel Inputs RB_LVDSIN TxDIN[15:0]P TxDIN[15:0]N Read Pointer TSCLKP TSCLKN C TxREFCLKP TxREFCLKN TxRATESEL1/0 TxREFSEL TxMCLKSEL IFSEL VCP/VCN_CMU RB_TX PDTSCLK B C TxLOCKERRB Multi-rate CMU TxMCLKP TxMCLKP TxPCLKP TxPCLKN RB_LVDSOUT A RxMCLKSEL RxMUTEMCLKB RxMUTEPOCLKB RxMUTEDOUTB RxPOLSEL RXLSBSEL RxDOUT[15:0]P Limiting Amplifier CML Serial Input RDINP RDINN 1:16 DeMux 16 A Output Register RxPOCLKN RxPOCLKP A RxMCLKN OFFSETP/N ENEXTOFST RxMCLKP LVDS Parallel Outputs A RxDOUT[15:0]N RxREFCLKP RxREFCLKN Multi-Rate CDR VCP/VCN_CDR RxRATESEL1/0 RxREFSEL RxLCKREFB LOSIB RxREFCKENB RxPHSADJ[2:0,FINE] RxLOCKERRB RB_ALOSB TH_ALOSB2/1 ALOS DETECT ALOSB The BCM8152 is a fully integrated MSA-compatible multi-rate SONET/SDH/10GE/FEC transceiver operating at the OC-192/STM-64 (9.953 Gbps), 10GE (10.3125 Gbps), 10GFC (10.315 Gbps), or one of three FEC (Forward Error Correction) (10.664/10.709, 11.096, or 11.31 Gbps) data rates with serializer, deserializer, integrated clock multiplication unit (CMU), 10G clock, bus skew, limiting amplifier, data recovery circuit (CDR), and enhanced feature set. On-chip clock synthesis is performed by the high-frequency, low-jitter phase-locked loop (PLL) on the BCM8152 transceiver chip allowing the use of a lowfrequency reference clock selectable to the line rate divided by either 16 or 64. Clock recovery is performed on the device by synchronizing its on-chip voltage-controlled oscillator (VCO) directly to the incoming data stream. An on-chip phase detector and charge pump plus external VCXO implements a cleanup PLL. The cleanup PLL can be used to clean up the CDR recovered clock for loop timing applications or to clean up a noisy system clock. The low-jitter LVDS interface guarantees compliance with the bit error rate requirements of the Telcordia, ANSI, ITU-T, and IEEE 802.3ae standards. The BCM8152 is packaged in a 15 x 15 mm, 301-pin BGA. 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. 8152-PB02-R 04/23/04 Phone: 949-450-8700 Fax: 949-450-8710 E-mail: info@broadcom.com Web: www.broadcom.com |
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