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 features: ve ry low power consumption at < 700mw single 3.3v power supply with on-chip regulator patented, low emi line driver with integrated line side te rmination 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 t olerance ve riphy? 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 m, 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 applications: tr iple speed copper sfp/gbic modules media converters sfp/gbic serial interface (sgmii or 802.3z serdes) to cat-5 3.3v op ti onal eeprom op ti onal i/f for c onfiguration cat-5 utp 10/100/1000base-t q uad transformer m odule rj-45 serdes i/f vitesse VSC8221 10/100/1000base-t tr ansceiver sgmii or 802.3z serdes gbic /sfp interface
single port 10/100/1000base-t phy with 1.25 gbps serdes for sfps / gbics VSC8221 the VSC8221 is the smallest, lowest power gigabit ethernet over copper phy available and is ideal for sfp/gbic and media converter applications. it is the only triple speed copper sfp phy to meet the stringent msa power consumption requirement of <1w for the entire module. its integrated switching regulator enables it to be powered by a single 3.3v power supply, reducing board space requirements and system cost. vi tesse?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: general description: 741 calle plano camarillo, ca 93012, usa te l: +1 805.388.3700 fax: +1 805.987.5896 www.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. block diagram: pa rameter typ unit comments p d 700 mw s teady state power consumption (1000base-t) including serdes p dq 100 mw power consumption in actiphy? power down mode l 1g , l 100m 150 m c able link length supported in 1000base-t & 100base-tx modes, serial data rate 1.25 gbps serdes, sgmii interface data rate vdd 3.3 v dc power supply voltage range f tol (reference) 25 mhz crystal parallel resonant frequency (+/- 100 ppm tolerance) 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 auto-negotiation pcs deco der pcs e ncoder timi ng recovery + dac h ybrid vga adc ffe pma (dsp data pump) pc sm di (analog front end) tx fir x4 nc1 nc2 nc3 ec refrext re ffilt xtal1refclk xtal2 tdp tdn txdis/sreset rdp rdn moddef1/mdc moddef2/mdio rxlos/sigdet 802.3z serdes or sgmii reset e eprom and serial management interface trellis deco der pam-5 symbol m apper, scrambler pam-5 symbol de-mapper, descrambler tdi tdo tms tck trst txvpa txvna txvpb txvnb txvpc txvnc txvpd txvnd regout pll, oscillator led2 led1 led0 biasing, switching regulator led interface mii re gisters test manager + jtag tbi tbi moddef0/clkoutmac pllmode/eeclk eedat regen cmode[3:0] sclkp sclkn clkoutmicro co ntrol
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