ksz8041tl/ftl product brief micrel inc. tel: +1 408.944.0800 fax : + 1 408.474.1000 http:// www.micrel.com physical layer transceiver 10/100base-t/tx/fx general description the ksz8041tl/ftl are single supply 10base- t/100base-tx physical layer transceivers, which provide mii/rmii/smii interfaces to transmit and receive data. these devices utilize a uniqu e mixed-signal design to extend signaling distance while reducing power consumption. hp auto mdi/mdi-x provides the most robust solution for eliminating the need to differentiate between crossover and straight-through cables. micrel linkmd ? tdr-based cable diagnostics permit for identification of faulty copper cabling. the ksz8041tl/ftl represents a new level of features and performance and is an ideal choice of physical layer transceiver for 10base-t/100base-tx/100base-fx applications. the ksz8041ftl has all the identical rich features of the ksz8041tl plus 100base-fx support for fiber and media converter applications. both ksz8041tl and ksz8041ftl are available in 48- pin, lead-free tqfp packages. applications ? printers ? lom ? games console ? iptv ? ip phones ? ip set-top boxes ? industrial ethernet ? automated industrial control applications ___________________________________________________________________________________________________________ block diagram ksz8041tl/ftl block diagram
micrel inc. tel: +1 408.944.0800 fax : + 1 408.474.1000 http:// www.micrel.com stock code:m9999-071006 features ? single-chip 10base-t/100base-tx/100basefx physical layer solution ? low power cmos design, power consumption of ~180 mw ? hp auto mdi/mdi-x for reliable detection and correction fo r straight-through and crossover cables with disable and enable option ? linkmd ? tdr-based cable diagnostics for ident ification of faulty copper cabling ? mii interface support ? rmii interface support with external 50mhz system clock ? smii interface support with external 125mhz sy stem clock and 12.5mhz sync clock from mac ? mii/rmii back-to-back mode ? supports power down mode and power saving mode ? miim (mdc/mdio) management bus for phy register configuration ? programmable led outputs for link, activity and speed ? mdc/mdio to 12.5 mhz for rapid configuration ? fully compliant to ieee 802.3u standard ? supports auto-negotiation and manual selection for 10/100mbps speed and full/half-duplex mode ? single power supply (3.3v) ? built-in 1.8v regulator for core ? available in 48-pin tqfp package contact micrel, inc. location address telephone fax corporate hq 2180 fortune drive san jose, ca 95131 usa (408) 944-0800 (408) 474-1000 eastern usa 93 branch st. medford, nj usa (609) 654-0078 (609) 654-0989 central usa 2425 n. central expressway, suite 351 richardson, tx 75080 usa (972) 393-2533 (972) 393-2370 western usa 2180 fortune drive san jose, ca 95131 usa (408) 944-0800 (408) 474-1000 china rm 601, bldg b, int?l chamber of commerce mansion, fuhua rd. 1, futian dist shenzhen, p.r. china 518048 +86 (755) 8302-7618 +86 (755) 8302-7637 korea 8f, annjau tower, 718-2 yoeksam-dong, kangnam-ku seoul 135-080 korea +82 (2) 538-2380 +82 (2) 538-2381 taiwan 4f, no. 18 lane 321, yang-guang street, nei-hu chu taipei 11475 taiwan, r.o.c. +886 (2) 8751-0600 +886 (2) 8751-0746 japan queens tower 14f, 2-3-1, minatomirai, nishi-ku yokohama kangawa 220-6014 japan +81 (45) 224-6616 +81 (45) 224-6716 uk/emeu 1st floor, 3 lockside place, mill lane newbury, berks rg14 5qs uk +44 1635 524455 +44 1635 524466 southern europe 10, avenue du quebec, villebon bp116 courtaboeuf cedex 91944 france +33 (0) 1 6092 4190 +33 (0) 6 0868 4489 nordic region lundagatan 11, 6tr se-171 63 solna sweden +46 8 470 5950 +46 70 572 7823 latin america 2425 n. central expressway, suite 351 richardson, tx 75080 usa (972) 393-2533 (972) 393-2370 new zealand office 2, cml building 2 perry street masterton, new zealand +64-6-378-9799 +64-6-378-9599 singapore 300 beach road #10-07 the concourse singapore 199555 (65) 6291-1318 (65) 6291-1332 ___________________________________________________________________________________________
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