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VSC8234 Datasheet Preview

VSC8234 Datasheet

Quad Port 10/100/1000 Base-T PHY

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VSC8234 pdf
ETHERNET PRODUCTS
VSC8234
10/100/1000BASE-T PHY with SGMII and SerDes MAC Interfaces
Copper Media
+1.2 V +3.3 V
SGMII, SerDes
10/100/1000 Mbps
Ethernet MAC
10/100/1000 Mbps
Ethernet MAC
10/100/1000 Mbps
Ethernet MAC
VSC8234
Quad
10/100/1000BASE-T
Transceiver
10/100/1000 Mbps
Ethernet MAC
Magnetics
Magnetics
Magnetics
Magnetics
Management
Interface
MDC, MDIO
MDINT#_n
Optional
Serial I/F EEPROM
RJ-45
RJ-45
RJ-45
RJ-45
FEATURES:
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
VeriPHY™ 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 0.13µm, 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
APPLICATIONS:
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



Vitesse
Vitesse

VSC8234 Datasheet Preview

VSC8234 Datasheet

Quad Port 10/100/1000 Base-T PHY

No Preview Available !

VSC8234 pdf
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.
SPECIFICATIONS:
PARAMETER
PD
Serial Data Rate
VDD I/O
VDDA
VDDDIG
FTOL (REFERENCE)
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)
BLOCK DIAGRAM:
TDP_n
TDN_n
RDP_n
RDN_n
SIGDET_n
SerDes
SGMII
or
Serial
I/O
PCS
PCS
ENCODER
PAM-5 SYMBOL
MAPPER,
SCRAMBLER
PMA (DSP Data Pump)
TX FIR
NC1
NC2
NC3
EC
PCS
DECODER
PAM-5 SYMBOL
DE-MAPPER,
DESCRAMBLER
TRELLIS
DECODER
4
+ FFE
X4
TIMING RECOVERY
MDI (Analog Front End)
DAC
HYBRID
Port 3
Port 2
Port 1
Port 0
ADC
VGA
TXVP_A_n
TXVN_A_n
TXVP_B_n
TXVN_B_n
TXVP_C_n
TXVN_C_n
TXVP_D_n
TXVN_D_n
CMODE[7:0]
RESET
SOFT_RESET
MDC
MDIO
MDINT_n
EEDAT
EECLK
CONTROL
MANAGEMENT
INTERFACE
JTAG
TEST
MANAGER
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.
SYSTEM
LED INTERFACE
XTAL1/2
REF_FILT
REF_REXT
CLK125MAC
CLK125micro
LED[4:0]_n
741 Calle Plano
Camarillo, CA 93012, USA
Tel: +1 805.388.3700
Fax: +1 805.987.5896
www.vitesse.com


Part Number VSC8234
Description Quad Port 10/100/1000 Base-T PHY
Maker Vitesse
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