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| ETHERNET PRODUCTS VSC8234 10/100/1000BASE-T PHY with SGMII and SerDes MAC Interfaces Copper Media 10/100/1000 Mbps Ethernet MAC 10/100/1000 Mbps Ethernet MAC 10/100/1000 Mbps Ethernet MAC 10/100/1000 Mbps Ethernet MAC MDC, MDIO Management Interface MDINT#_n Serial I/F Optional EEPROM SGMII, SerDes +1.2 V +3.3 V Magnetics VSC8234 Quad 10/100/1000BASE-T Transceiver RJ-45 Magnetics Magnetics RJ-45 RJ-45 Magnetics RJ-45 F E AT U R E S : Lowest Power Consumption in the Industry at Less than 640m W/port (1000BASE-T mode) Patented, Low EMI Line Driver with Integrated Line Side Termination Resistors Supports Cisco SGMII v1.7 and 10000BASE-X MACs High Performance 1.25 Gbps SerDes Compliant with IEEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T, 1000BASE-X) Specifications >10kB Jumbo Frame Support with Programmable Synchronization FIFOs Five Direct Drive LEDs with On-chip Filtering Serial LED Interface Option Three User Configuration Options: 1) Optional Serial EEPROM, 2) Hardware Configuration Pins, or 3) Serial Management Interface (SMI) Full Suite of BIST, MAC, and Far-end Loopback Modes VeriPHYTM Cable Diagnostics Software Suite Automatic Detection and Correction of Cable Pair Swaps, Pair Skew and Pair Polarity, Along with HP Auto MDI/MDI-X Crossover Function Manufactured in Advanced 0.13m, 3.3V/1.2V Digital CMOS Process BENEFITS: Eliminates Heatsinks and Fans for Gigabit to the Desktop LAN Switches Removes 576 Passive Components in 48-port Switch Applications Compatible with a Wide Variety of Serial Switch ICs Supports SerDes and SGMII to CAT-5 Interfaces from a Single Device Ensures Seamless Deployment Throughout Copper Networks with Industry's Highest Tolerance to Noise and Substandard Cable Plants Provides for Maximum Jumbo Frame Sizes in Custom SAN and LAN Systems Eliminates External Components and EMI Issues Provides Maximum System Design Flexibility Offers Design Engineer a Solution to Fit any Unmanaged or Managed System Requirement Simplifies Comprehensive In-system Test to Ensure the Highest Product Quality Enables Network Manufacturers to Simplify Deployment and Improve Network Management Capabilities of Gigabit Ethernet Links Compatible with 1st Generation 1000BASE-T PHYs; Supports Auto MDI/MDI-X Even When Autonegotiation is Disabled Most Cost Effective Technology Eliminates More Expensive Analog Process Variants A P P L I C AT I O N S : High Density 10/100/100BASE-T LAN & MAN Switches and Routers Workgroup LAN Switches and Routers Gigabit Ethernet-based SAN, NAS, and MAN Systems High Performance Workstations and Multi-Port Server NICs Multi-Port Fiber to Copper Media Converters PB-VSC8234-002 VSC8234 10/100/1000BASE-T PHY with SGMII and SerDes MAC Interfaces GENERAL DESCRIPTION: The VSC8234 is the industry's smallest, lowest power quad port Gigabit Ethernet transceiver for multi-port SGMII and SerDes switch and router applications. The VSC8234's power consumption is 30% lower than the next best competitor. Its serial MAC interface reduces pin count requirements by 66% (over RGMII) to 83% (over GMII). The device's compact 19mm x 19mm BGA package makes it ideal for the highest-density SGMII and SerDes switch applications. Vitesse's mixed signal and DSP architecture yields robust performance, supporting both full and half duplex 10BASE-T, 100BASE-TX, and 1000BASE-T over >140m of Category 5, unshielded twisted pair (UTP) cable, with industry leading tolerance to NEXT, FEXT, Echo, and system noise. S P E C I F I C AT I O N S : PARAMETER PD Serial Data Rate VDD I/O VDDA VDDDIG FTOL (REFERENCE) BLOCK DIAGRAM: PCS Interface Selection and Autonegotiation PMA (DSP Data Pump) MDI (Analog Front End) Port 3 Port 2 Port 1 Port 0 TYP <640 1.25 3.3, 2.5, 1.5 3.3 1.2 25 UNIT mW Gbps V V V MHz COMMENTS Steady state power consumption per port SerDes, SGMII interface data rate I/O power supply voltage options Analog supply voltage Core power supply voltage Crystal parallel resonant frequency (+/- 100ppm tolerance) TDP_n TDN_n RDP_n RDN_n SIGDET_n PCS ENCODER PAM-5 SYMBOL MAPPER, SCRAMBLER TX FIR DAC HYBRID TXVP_A_n TXVN_A_n TXVP_B_n TXVN_B_n TXVP_C_n TXVN_C_n TXVP_D_n TXVN_D_n SerDes SGMII or Serial I/O NC1 NC2 NC3 EC PCS DECODER PAM-5 SYMBOL DE-MAPPER, DESCRAMBLER TRELLIS DECODER 4 + X4 FFE ADC VGA TIMING RECOVERY CMODE[7:0] RESET SOFT_RESET XTAL1/2 CONTROL JTAG TEST MANAGER MANAGEMENT INTERFACE SYSTEM REF_FILT REF_REXT CLK125 MAC CLK125 micro MDC MDIO MDINT_n EEDAT EECLK TDI LED INTERFACE LED[4:0]_n TMS TDO TCK For more information on Vitesse Products visit the Vitesse web site at www.vitesse.com or contact Vitesse Sales at (800) VITESSE or sales@vitesse.com Vitesse, ASIC-Friendly, FibreTimer, TimeStream and Snoop Loop are trademarks of Vitesse Semiconductor Corporation. All other trademarks or registered trademarks mentioned herein are the property of their respective holders. Vitesse Semiconductor Corporation ("Vitesse") retains the right to make changes to its products or specifications to improve performance, reliability or manufacturability. All information in this document, including descriptions of features, functions, performance, technical specifications and availability, is subject to change without notice at any time. TRST 741 Calle Plano Camarillo, CA 93012, USA Tel: +1 805.388.3700 Fax: +1 805.987.5896 www.vitesse.com |
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