sy897132l 1.5gbps link replicator for fibre channel, gigabit ethernet, hdtv and sata precision edge is a registered trademark of micrel, inc. micrel inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel +1 ( 408 ) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com general description the sy897132l is a link replicator which provides both serial loop replication as well as serial loopback control functions. it is high performance and works up to 1.5gbps on 3.3v power supplies. the sy897132l is ideal for fibre channel, gigabit ethernet, hdtv and sata applications. other applications include internal/external connection routing in host bus adaptors as well as hot-pluggable links between switch cards. the in input is sent to both out0 and out1, which are enabled when oe0 and oe1 are high and disabled when they are low. when the outputs are disabled, both differential outputs go high and the buffers are turned off to save power. mux0 controls whether in or in1 is sent to out0. similarly, mux1 controls whether in or in0 is sent to out1. mux selects whether in0 or in1 is sent to out. the sy897132l operates on 3.3v 5% power supplies and is guaranteed over the full industrial temperature range (?40c to +85c). the sy897132l is part of micrel?s high-speed, precision edge ? product line. datasheets and support documentation can be found on micrel?s web site at: www.micrel.com . functional block diagram precision edge ? features ? serial loop replication ? no external components required ? t11 fibre channel compliant at 1.0625gbps ? ieee802.3z gigabit ethernet compliant at 1.25gbps ? smpte-292m compliant at 1.485gbps ? operates with 3.3v 5% ? industrial temperature range: ?40c to +85c ? available in 28-pin tssop package applications ? link replicator for: fibre channel, gigabit ethernet, hdtv and sata ? for line cards to provide redundant, hot-swappable links to redundant switch fabric cards ? for host bus adapter boards for routing between internal and external connectors january 2011 m9999-011911-g hbwhelp@micrel.com or (408) 955-1690
micrel, inc. sy897132l january 2011 2 m9999-011911-g hbwhelp@micrel.com ordering information (1) part number package type operating range package marking sy897132lkg k-28 industrial 7132l with pb-free bar-line indicator sy897132lkgtr (2) k-28 industrial 7132l with pb-free bar-line indicator sy897132lky k-28 industrial 7132l with pb-free bar-line indicator SY897132LKYTR (2) k-28 industrial 7132l with pb-free bar-line indicator notes: 1. contact factory for die availability. dice are guaranteed at t a = 25c, dc electricals only. 2. tape and reel. pin configuration 28-pin tssop (k-28) or (408) 955-1690
micrel, inc. sy897132l january 2011 3 m9999-011911-g hbwhelp@micrel.com or (408) 955-1690 pin description pin number pin name pin function 5, 6 24, 23 18, 17 in, /in in0, /in0 in1, /in1 differential input pairs: the inputs are internally biased to 1.2v. 11,12 28,27 21,20 out, /out out0, /out0 out1, /out1 lvpecl differential output pairs. 2 8 oe0 oe1 output enable (ttl inputs): oex pins en able outx pins when high. when oex is low, outx are powered down and both out and /out go high. 3 mux source select for out (ttl input): se lects either in0 (low) or in1 (high); defaults high when left open. 16 mux0 source select for out0 (ttl input): se lects either in (low) or in1 (high); defaults high when left open. 15 mux1 source select for out1 (ttl input): se lects either in (high) or in0 (low); defaults high when left open. 9 vcc positive power supply: bypass with 0.1f//0.01f low esr capacitors as close to the v cc pin as possible. supplies input and core circuitry. 10, 13 1, 26 19, 22 vccp vccp0 vccp1 positive output power supply: bypass with 0.1f//0.01f low esr capacitors as close to the vccpx pins as possible. supplies the respective output buffers. 4, 7, 14, 25 gnd, exposed pad ground: exposed pad must be connected to a ground plane that is the same potential as the ground pins. input/output truth table mux setting out & /out out0 & /out0 out1 & /out1 low in0 & /in0 - - mux high in1 & /in1 - - low - in & /in - mux0 high - in1 & /in1 - low - - in0 & /in0 mux1 high - - in & /in
micrel, inc. sy897132l january 2011 4 m9999-011911-g hbwhelp@micrel.com or (408) 955-1690 absolute maximum ratings (1) supply voltage (v cc ) ................................. 0.5v to +4.0v input voltage (v inpecl ) ......................?0.5v to v cc + 0.5v input voltage (v inttl )........................?0.5v to v cc + 0.5v lvpecl output current (i out ) ............................. -50ma lead temperature (solde ring, 20sec .) .................. 260c maximum case temperat ure...............?55c to +125c storage temperature (t s ) ....................?65c to +150c operating ratings (2) supply voltage (v cc )..........................3.135v to 3.465v ambient temperature (t a ) ................... ?40c to +85c package thermal resistance (3) tssop still-air ( ja ) ............................................ 76c/w junction-to-case ( jc ) (4) ........................ 25c/w dc electrical characteristics (5) v cc = 3.135v to 3.465v; t a = ?40c to +85c, unless otherwise stated. symbol parameter condition min typ max units v cc power supply voltage range 3.135 3.3 3.465 v i cc power supply current max. v cc 105 125 ma v ih input high voltage inx, /inx 1.2 v cc v v il input low voltage inx, /inx 0 v ih -0.1 v v in input voltage swing inx, /in x, see figure 2a 0.15 1.3 v v diff_in differential input voltage swing (|in - /in|) ac-coupled, internally biased to 1.2v 0.3 2.6 v p d power dissipation outputs open, max v cc 450 mw lvpecl outputs dc electrical characteristics (5) v cc = 3.135v to 3.465v; t a = ?40c to +85c, r l = 50 ? to v cc -2.0v unless otherwise stated. symbol parameter condition min typ max units v oh output high voltage v cc -1v v v ol output low voltage v cc -1.8v v v diff_out_50 differential output voltage swing 1000 2200 mv v diff_out_75 differential output voltage swing r l = 75 ? to v cc -2.0v 1200 2200 mv lvttl/cmos dc electri cal characteristics (5) v cc = 3.135v to 3.465v; t a = ?40c to +85c, unless otherwise stated. symbol parameter condition min typ max units v ih input high voltage 2.0 v cc +0.5 v v il input low voltage 0 0.8 v i ih input high current 100 a i il input low current -100 a notes: 1. permanent device damage may occur if absolute maximum ratings are exceeded. this is a stress rating only and functional ope ration is not implied at conditions other than those deta iled in the operational sections of this data sheet. exposure to absolute maximum ra tings conditions for extended periods may affect device reliability. 2. the data sheet limits are not guaranteed if t he device is operated beyond the operating ratings. 3. package thermal resistance assumes exposed pad is soldered (or equivalent) to the device's most negative potential on the pc b. jb and ja values are determined for a four-layer board in still-air number, unless otherwise stated. the ci rcuit is designed to meet the dc specifications shown in the above table after thermal equilibrium has been established. 4. jedec standard multilayer board -2s2p (2 signal, 2 power) 5. the circuit is designed to meet t he dc specifications shown in the above tabl e after thermal equilibrium has been establis hed.
micrel, inc. sy897132l january 2011 5 m9999-011911-g hbwhelp@micrel.com or (408) 955-1690 ac electrical characteristics v cc = 3.135v to 3.465v; t a = ?40c to +85c, unless otherwise stated. symbol parameter condition min typ max units f max maximum frequency nrz data 1.5 gbps t pd propagation delay figure 1a 0.4 4 ns t jitter deterministic jitter note 8 40 ps pp t r , t f output rise/fall times (20% to 80%) at full output swing. 140 175 ps duty cycle 47 53 % t enable output enable time (oe low to high) see figure 1b 8 20 ns t disable output disable time (oe high to low) see figure 1b 3 10 ns notes: 6. output-to-output skew is the difference in time between both outputs, receiving data from the same input, for the same tempe rature, voltage and transition. 7. part-to-part skew is defined for two parts with identical pow er supply voltages at the same temperature and no skew at the e dges at the respective inputs. 8. deterministic jitter is measur ed at 1.5gbps with both k28.5 and 2 23 ?1 prbs pattern.
micrel, inc. sy897132l january 2011 6 m9999-011911-g hbwhelp@micrel.com or (408) 955-1690 detailed description input functionality the inputs are typically ac-coupled and are terminated internally to 1.2v. sy897132l can accept ac-coupled and dc-coupled lvpecl, cml. outputs termination the sy897132l are capable of driving differential transmission lines with either 50 ? or 75 ? impedance. the outputs are designed to operate with or without external termination resistors. however, differential transmission lines should be terminated at the destination to avoid reflections and noise. see figure 3 for more details. oex output enable the output enable (oex) pins on the sy897132l provide an option to turn on/off out0 and/or out1. if oex is low, the entire output buffer is turned off and both differential outputs float high. this would reduce overall i cc by approximately 26ma for each disabled output pair. power supply bypass the sy897132l uses separat e 3.3v power supplies for its core circuitry and output buffers. by separating the power supplies, sy897132l minimizes the impact of noise coupled onto the pow er supply by the various switching outputs. placing a 0.1f bypass capacitor on the vcc pins will provide additional noise isolation.
micrel, inc. sy897132l january 2011 7 m9999-011911-g hbwhelp@micrel.com timing diagrams figure 1a. propagation delay figure 1b. output enable/disable timing (measured at 50%) or (408) 955-1690
micrel, inc. sy897132l january 2011 8 m9999-011911-g hbwhelp@micrel.com typical characteristics v cc = 3.3v, v in_diff = 1000mv, t a = 25c, unless otherwise stated. or (408) 955-1690
micrel, inc. sy897132l january 2011 9 m9999-011911-g hbwhelp@micrel.com single-ended and di fferential swings figure 2a. single-ended swing figure 2b. differential swing input interface applications figure 3. sy897132l typical application interface diagram related product and support documents part number function datasheet link hbw solutions new products and termination application notes http://www.micrel.com/page.do?page=/product- info/as/hbwsolutions.shtml or (408) 955-1690
micrel, inc. sy897132l package information 28-pin tssop (k-28) january 2011 10 m9999-011911-g hbwhelp@micrel.com or (408) 955-1690 micrel, inc. 2180 fortune drive san jose, ca 95131 usa tel +1 (408) 944-0800 fax +1 (408) 474-1000 web http://www.micrel.com micrel makes no representations or warranties with respect to t he accuracy or completeness of the information furnished in this data sheet. this information is not intended as a warranty and micrel does not assume responsibility for it s use. micrel reserves the right to change circuitry, specifications and descriptions at any time without notice. no license, whether expre ss, implied, arising by estoppel or other wise, to any intellectual property rights is granted by this document. except as provided in micrel?s terms and conditions of sale for such products, mi crel assumes no liability whatsoever, and micrel disclaims any express or implied warranty relating to the sale and/or use of micrel products including l iability or warranties relating to fitness for a particular purpose, merchantability, or infringement of an y patent, copyright or other intellectual p roperty right micrel products are not designed or authori zed for use as components in life support app liances, devices or systems where malfu nction of a product reasonably be expected to result in pers onal injury. life support devices or system s are devices or systems that (a) are in tended for surgical impla into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significan t injury to the user. a purchaser?s use or sale of micrel produc ts for use in life support app liances, devices or systems is a purchaser?s own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. can nt ? 2009 micrel, incorporated.
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