VSC8601 and VSC8641
PRODUCT BRIEF
VSC8601 (10/100/1000BASE-T PHY with RGMII MAC Interface)
VSC8641 (10/100/1000BASE-T PHY with RGMII and GMII MAC Interface)
Lowest Power
• Industry’s lowest power consumption 10/100/1000BASE-T PHY at 600 mW
• Powered by a single 3.3 V supply by using the optional on-chip switching regulator; eliminates the need for 1.2 V supply
• Advanced power management complies with Wake-on-LAN™ and PCI2.2 power requirements
Wide Range of Support
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Supports RGMII versions 1.3 and 2.0 (2.5 V, 3.3 V) MAC interface
Supports GMII/MII (2.5 V, 3.3 V) MAC interface (VSC8641)
Compliant with IEEE 802.3 (10BASE-T, 100BASE-TX, 1000BASE-T) specifications
IEEE 1149.1 JTAG boundary scan support for improved reliability
Greater than 10 kB jumbo frame support in all speeds to support custom SAN and LAN systems
Legacy Power-over-Ethernet support, including intelligence for detection and activation
Flexibility
• Low EMI line driver with integrated line side termination resistors for a better performing design
• VeriPHY® cable diagnostics suite provides extensive network cable information such as cable length, termination status,
and open/short fault location
• ActiPHY™ power management system with built-in intelligence and saving modes
• Suite of test modes, including loopback paths, Ethernet packet generators, and CRC counters to simplify design
• Programmable direct drive LEDs (three in VSC8601 and four in VSC8641), which eliminate external components and
reduce EMI
Applications
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LAN-on-Motherboards, mobile PCs, and single-port RGMII applications
Broadband CPE and wireless routers
Gigabit Ethernet SAN, NAS, and MAN systems
iSCSI and TOE applications
Network-enabled devices such as printers, IP phones, and gaming appliances
ATCA™ 3.0 and PICMG™ 2.16 Ethernet backplane applications
GE-PON physical media dependent device (VSC8641)
Application Diagram
3.3 V
10/100/1000BASE-T MAC,
Switching ASIC,
or Network Processor
RGMII
(or GMII,
VSC8641 Only)
Management I/F (MDC / MDIO)
VSC8601/
VSC8641
Single PHY
25 MHz
www.vitesse.com
RJ45+Magnetics
VSC8601 and VSC8641
General Description
complexity, component count, and system cost, they
include an internal 1.2 V power regulator that operates on a
single 3.3 V supply. Additionally, integrated RGMII timing
compensation eliminates the need for on-board delay lines.
Designed for high-performance, low-power, and low-cost
Gigabit Ethernet, the VSC8601 and VSC8641 are the
industry’s lowest-power and most highly integrated Gigabit
Ethernet (GbE) PHYs. The VSC8601 is optimized for
Gigabit LAN on Motherboard (GLOM) and Gigabit Ethernet
switch applications, while the VSC8641 is optimized for
Gigabit Ethernet Passive Optical Network (GE-PON)
applications.
Vitesse’s mixed signal and digital signal processing (DSP)
architecture assures robust performance. It supports both
half-duplex and full-duplex 10BASE-T, 100BASE-TX, and
1000BASE-T communication speeds over Category 5
(Cat5) unshielded twisted pair (UTP) cable at distances
greater than 140 m, displaying excellent tolerance to NEXT,
FEXT, echo, and other types of ambient environment and
system electronic noise.
The devices feature integrated, line side termination to
simplify PCB design, maximize board space, and create a
cleaner, higher-performance product. To further reduce
VSC8641
GTX_CLK
TX_CLK
TXD[7:0]
TX_EN
TX_ER
CRS
COL
RX_CLK
RXD[7:0]
RX_DV
RX_ER
RGMII/GMII
MAC
Interface
Jumbo Packet
FIFO
10/100/
1000BASE-T
PMA
10/100/
1000BASE-T
PCS
MDI Reference
CMODE[4:0]
RESET
SRESET
MDC
MDIO
MDI
Twisted Pair
Interface
PLL
JTAG
Management and
Control Interface
MDINT
EEDAT
EECLK
TXVPA
TXVNA
TXVPB
TXVNB
TXVPC
TXVNC
TXVPD
TXVND
REF_FILT
REF_REXT
XTAL1
XTAL2
CLKOUT
LED Interface
LED[3:0]
Power Regulation
REG_EN
REG_OUT
NTRST
TMS
TCK
TDO
TDI
© 2007, 2009 by Vitesse Semiconductor Corporation. VPPD-01969 Revision 1.1. Vitesse Semiconductor Corporation ("Vitesse") retains the right to make changes to its products or
specifications. As such, all information in this document, including descriptions of features, functions, performance, technical specifications and availability, is subject to change
without notice at any time, and Vitesse assumes no responsibility for use of any information herein. Nothing contained herein conveys to the purchaser of microelectronic devices
any license under the patent or any other intellectual property rights of any manufacturer. Vitesse®, and numerous other trademarks, are trademarks of Vitesse in the United States
and/or other jurisdictions. Other trademarks used herein that are not the property of Vitesse are the property of their respective owners. While Vitesse products support IEC 60825,
use of Vitesse products does not ensure compliance to IEC 60825. Buyers are responsible for ensuring compliance to IEC 60825. Buyers must fully indemnify Vitesse for any
damages resulting from non-compliance to IEC 60825.