BENEFITS:

Only Gigabit Ethernet PHY That Enables Copper SFP Designers to Meet

the Stringent MSA Power Consumption Specification of < 1W

Eliminates External Regulators, Reducing System Costs

Removed 12 Passive Components, Reducing PCB Area and Cost by 50%

Lowest Power Mode Reduces Power Supply Costs

Connects to Serial MACs or Optical Modules and can be Used to Design

Copper SFP/GBIC Modules and 100BASE-FX Modules

Ensures Seamless Deployment Throughout Copper and Optical Networks with

Industry’s Highest Tolerance to Noise and Substandard Cabling Infrastructures

Simplifies Comprehensive In-system Test to Ensure the Highest Product

Quality

Ensures Trouble-free Deployment in Real World Ethernet Networks

Enables Network Manufacturers to Simplify Deployment and imProve

Network Management Capabilities of Gigabit Ethernet Links

Compatible with 1st Generation 1000BASE-T PHYs, Minimizing Common

Interoperability Problems

Reduces Power Consumption and System Costs

Most Cost Effective Technology Eliminates more Expensive Analog

Process Variants

FEA TURES:

Very Low Power Consumption at < 700mW

Single 3.3V Power Supply with On-chip Regulator

Patented, Low EMI Line Driver with Integrated Line Side

Termination Resistors

Supports PICMG 2.16 and 3.0 Ethernet Backplanes at Approximately

500mW

High Performance 1.25 Gbps SerDes Supports SGMII and SerDes to

Cat-5 Interfaces

Compliant with IEEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T,

1000BASE-X) and SFP MSA Specifications

Full Suite of BIST, MAC, Far-end, and Connector Loopback Modes

Over 150m of Category-5 Reach with Industry’s Highest Noise

Tolerance

VeriPHY™ Cable Diagnostics Software Suite

Automatic Detection and Correction of Cable Pair Swaps, Pair Skew

and Pair Polarity, Along with Auto MDI/MDI-X Crossover Function

Several Flexible Power Management Modes

Manufactured in Advanced 0.13

µm, 3.3V/1.2V Digital CMOS Process

Single Port 10/100/1000BASE-T PHY with 1.25 Gbps SerDes / SGMII for SFPs / GBICs

ETHERNET PRODUCTS

PB-VSC8221-002

VSC8221

APPLICA TIONS:

Triple Speed Copper SFP/GBIC Modules

Media Converters

SFP/GBIC Serial Interface (SGMII or 802.3z SerDes) to Cat-5

3.3v

Optional EEPROM

Optional I/F for

Configuration

Cat-5 UTP

10/100/1000BASE-T

Quad

Transformer

Module

RJ-45

SerDes I/F

Vitesse VSC8221

10/100/1000BASE-T

Transceiver

SGMII

OR

802.3z SerDes

GBIC/SFP

Interface