1 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 description guaranteed ac performance over temperature and voltage: ? dc-to >5gbps data rate throughput ? dc-to >5ghz clock f max ? <260ps in-to-out t pd ?t r /t f <90ps ultra low-jitter design: ? <1ps rms random jitter ? <10ps pp deterministic jitter ? <10ps pp total jitter (clock) minimum input swing 200mv (|inC/in|) unique, patent-pending input termination and vt pin accepts dc-coupled and ac-coupled inputs (cml, pecl, lvds) typical 800mv (100k) lvpecl output swing power supply 2.5v 5% or 3.3v 10% C40 c to 85 c industrial temperature range available in an ultra-small (2mm 2mm) 8-pin mlf ? package features ultra-precision differential 800mv lvpecl line driver/receiver with internal termination precision edge ? sy58601u applications backplane buffering oc-12 to oc-192 sonet/sdn clock/data distribution all gigabit ethernet distribution fibre channel distribution rev.: d amendment: /0 issue date: august 2007 the sy58601u is a 2.5v/3.3v precision, high-speed, differential receiver capable of handling clocks up to 5ghz and data streams up to 5gbps. the differential input includes micrels unique, 3-pin input termination architecture that allows users to interface to any differential signal (ac or dc-coupled) as small as 200mv pp without any level shifting or termination resistor networks in the signal path. the outputs are 800mv lvpecl, with extremely fast rise/fall times guaranteed to be less than 90ps. the sy58601u operates from a 2.5v 5% supply or a 3.3v 10% supply and is guaranteed over the full industrial temperature range of C40 c to +85 c. for applications that require cml outputs, consider the sy58600u or for 400mv lvpecl outputs the sy58602u. the sy58601u is part of micrels high-speed, precision edge ? product line. all support documentation can be found on micrels web site at www.micrel.com. functional block diagram typical application precision edge is a registered trademark of micrel, inc. micro leadframe and mlf are registered trademarks of amkor technology, inc. precision edge ? v t in /in 50 ? 50 ? q /q v ref-ac 100mv input swing input waveform sy58601u backplane 800mv output swing 100mv output waveform 800mv
2 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 package/ordering information pin number pin name pin function 1, 4 in, /in differential input: this input pair is the signal to be buffered. these inputs accept ac or dc- coupled signals as small as 100mv. each pin of this pair internally terminates to a vt pin through 50 ? . note that this input will default to an indeterminate state if left open. please refer to the input interface applications section for more details. 2v t input termination center-tap: each side of the differential input pair terminates to this pin. the vt pin provides a center-tap to a termination network for maximum interface flexibility. see input interface applications section for more details. 3 vref-ac reference output voltage: this output biases to v cc C1.2v. connect to vt pin when ac- coupling the input. bypass with 0.01 f low esr capacitor to v cc . maximum current source or sink is 0.5ma. see input interface applications section. 8 vcc positive power supply. bypass with 0.1 f || 0.01 f low esr capacitors as close to the vcc pin as possible. 7, 6 q, /q differential 100k lvpecl output: this lvpecl output is the output of the device terminate through 50 ? to v cc C3.0v. see output interface applications section. 5 gnd, ground. ground pin and exposed pad must be connected to the same ground plane. exposed pin description 1 in vt vref-ac /in 8 vcc q /q gnd 7 6 5 2 3 4 8-pin mlf ? (mlf-8) ordering information (1) package operating package lead part number type range marking finish sy58601umitr (2) mlf-8 industrial 601 sn-pb SY58601UMGTR (2, 3) mlf-8 industrial 601 with pb-free pb-free bar-line indicator nipdau notes: 1. contact factory for die availability. dice are guaranteed at t a = 25 c, dc electricals only. 2. tape and reel. 3. pb-free package recommended for new designs.
3 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 absolute maximum ratings (1) supply voltage (v cc ) .................................. C0.5v to +4.0v input voltage (v in ) ......................................... C0.5v to v cc lvpecl output current (i out ) continuous ............................................................. 50ma surge .................................................................... 100ma termination current source or sink current on v t .................................... 100ma input current source or sink current on in, /in ........................ 50ma current (v ref ) (3) source or sink current on v refCac ......................... 1.5ma lead temperature (soldering, 20 sec.) ................... +260 c storage temperature (t s ) ....................... C65 c to +150 c operating ratings (2) supply voltage (v cc ) ...................... +2.375v to +2.625v or ............................................................ +3.0v to +3.6v ambient temperature (t a ) ......................... C40 c to +85 c package thermal resistance (4) mlf ? ( ja ) still-air ............................................................. 93 c/w mlf ? ( jb ) junction-to-board ............................................ 32 c/w t a = C40 c to +85 c, unless otherwise noted. symbol parameter condition min typ max units v cc power supply v cc = 2.5v. 2.375 2.5 2.625 v v cc = 3.3v. 3.0 3.3 3.6 v i cc power supply current no load, max. v cc , note 6 43 60 ma r diff_in differential input resistance 80 100 120 ? (in-to-/in) r in input resistance 40 50 60 ? (in-to-v t , /in-to-v t ) v ih input high voltage note 7 v cc C1.6 v cc v (in, /in) v il input low voltage 0 v ih C0.1 v (in, /in) v in input voltage swing see figure 1a. 0.1 1.7 v (in, /in) v diff_in differential input voltage swing see figure 1b. 0.2 v |inC, /in| v t_in in-to-v t 1.28 v (in, /in) v refCac output reference voltage v cc C1.3 v cc C1.2 v cc C1.1 v notes: 1. permanent device damage may occur if the ratings in absolute maximum ratings section are exceeded. this is a stress rating only and functional operation is not implied for conditions other than those detailed in the operational sections of this data sheet. exposure to a bsolute maximum ratings conditions for extended periods may affect device reliability. 2. the data sheet limits are not guaranteed if the device is operated beyond the operating ratings. 3. due to the limited drive capability use for input of the same package only. 4. package thermal resistance assumes exposed pad is soldered (or equivalent) to the devices most negative potential on the pcb. jb uses 4-layer ja in still-air, unless otherwise stated. 5. the circuit is designed to meet the dc specifications shown in the above table after thermal equilibrium has been established . 6. includes current through internal 50 ? pull-ups. 7. v ih (min) not lower than 1.2v. dc electrical characteristics (5)
4 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 v cc = 2.5v 5% or 3.3v 10%; t a = C40 c to +85 c; r l = 50 ? to v cc C2v, unless otherwise noted. symbol parameter condition min typ max units f max maximum operating frequency nrz data 5 gbps v out 400mv clock 5 ghz t pd propagation delay in-to-q, /in-to-q v in 100mv 70 125 220 ps t pd tempco differential propagation delay 115 fs/ c temperature coefficient t jitter data random jitter (rj) note 10 1ps rms deterministic jitter (dj) note 11 10 ps pp clock cycle-to-cycle jitter note 12 1ps rms total jitter (tj) note 13 10 ps pp t r , t f output rise/fall times q, /q (20% to 80%) at full output swing. 25 60 90 ps notes: 8. the circuit is designed to meet the dc specifications shown in the above table after thermal equilibrium has been established . 9. high-frequency ac electricals are guaranteed by design and characterization. 10. random jitter is measured with a k28.7 comma detect character pattern, measured at 2.5gbps/3.2gbps. 11. deterministic jitter is measured at 2.5gbps/3.2gbps with both k28.5 and 2 23 C1 prbs pattern. 12. cycle-to-cycle jitter definition: the variation of periods between adjacent cycles, t n Ct nC1 where t is the time between rising edges of the output signal. 13. total jitter definition: with an ideal clock input of frequency f max , no more than one output edge in 10 12 output edges will deviate by more than the specified peak-to-peak jitter value. ac electrical characteristics (9) v cc = 2.5v 5% or 3.3v 10%; t a = C40 c to +85 c; r l = 50 ? to v cc C2v, unless otherwise noted. symbol parameter condition min typ max units v oh output high voltage v cc C1.145 v cc C0.895 v q, /q v ol output low voltage v cc C1.945 v cc C1.695 v q, /q v out output voltage swing see figure 1a. 400 800 mv q, /q v diff_out differential output voltage swing see figure 1b. 800 1600 mv q, /q lvpecl outputs dc electrical characteristics (8)
5 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 timing diagram v in, v out 800mv (typical) figure 1a. single-ended swing 1600mv (typical) v diff_in , v diff_out figure 1b. differential swing in /in t pd q /q definition of single-ended and differential swings input and output stage internal termination 50 ? /in v cc 50 ? in v t gnd figure 2a. simplified differential input stage /q q v cc figure 2b. simplified differential output stage
6 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 typical operating characteristics v cc = 3.3v, gnd = 0, v in = 800mv. 200mhz clock time (500ps/div.) output swing (200mv/div.) 5ghz clock time (20ps/div.) output swing (200mv/div.) oc-12 mask 2 23 ?1 prbs time (300ps/div.) output swing (200mv/div.) 1xfc mask 2 23 ?1 prbs time (200ps/div.) output swing (200mv/div.) 1xgbe mask 2 23 ?1 prbs time (150ps/div.) output swing (200mv/div.) 2xfc mask 2 23 ?1 prbs time (100ps/div.) output swing (200mv/div.)
7 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 2xgbe mask 2 23 ?1 prbs time (100ps/div.) output swing (200mv/div.) 5gbps mask 2 23 ?1 prbs time (50ps/div.) output swing (200mv/div.) typical operating characteristics cont'd v cc = 3.3v, gnd = 0, v in = 800mv.
8 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 input interface applications in /in v t sy58601u v cc nc gnd v ref-ac nc cml figure 3a. cml interface (dc-coupled) option: v t may be connected to v cc . gnd in /in v ref-ac 0.1 f sy58601u v cc v cc cml v t figure 3b. cml interface (ac-coupled) gnd in /in v ref-ac 0.1 f sy58601u v cc v cc r p note: for 3.3v, r p = 50 ? . for 2.5v, r p = 19 ? . lvp ecl nc v t figure 3c. lvpecl interface (dc-coupled) gnd in /in v ref-ac 0.1 f sy58601u v cc v cc lvp ecl v t gnd r p r p note: for 3.3v, r p = 100 ? . for 2.5v, r p = 50 ? . figure 3d. lvpecl interface (ac-coupled) in /in v t sy58601u v cc nc gnd v ref-ac nc l vds figure 3e. lvds interface
9 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 output interface applications part number function data sheet link sy58600u ultra-precision differential 400mv cml www.micrel.com/product-info/products/sy58600u.shtml line driver/receiver with internal termination sy58602u 2.5v/3.3v 10.7gbps differential 400mv lvpecl www.micrel.com/product-info/products/sy58602u.shtml line driver/receiver with internal termination mlf ? application note www.amkor.com/products/notes_papers/mlf_appnote_0902.pdf hbw solutions new products and applications www.micrel.com/product-info/products/solutions.shtml related product and support documentation r2 82 ? r2 82 ? z 0 = 50 ? z 0 = 50 ? r1 130 ? r1 130 ? +3.3v +3.3v +3.3v gnd gnd gnd figure 4a. parallel thevenin-equivalent termination z 0 = 50 ? z 0 = 50 ? 50 ? 50 ? 50 ? c (optional) 0.01 f +3.3v +3.3v gnd v cc gnd gnd figure 4b. parallel termination (3-resistor)
10 precision edge ? sy58601u micrel, inc. m9999-082707 hbwhelp@micrel.com or (408) 955-1690 8-pin ultra-small epad micro l eadframe ? (mlf-8) package notes: 1. package meets level 2 qualification. 2. all parts dry-packaged before shipment. 3. exposed pads must be soldered to a ground for proper thermal management. 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 the information furnished by micrel in this data sheet is believed to be accurate and reliable. however, no responsibility is a ssumed by micrel for its use. micrel reserves the right to change circuitry and specifications at any time without notification to the customer. micrel products are not designed or authorized for use as components in life support appliances, devices or systems where malfu nction of a product can reasonably be expected to result in personal injury. life support devices or systems are devices or systems that (a) are intend ed for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant inj ury to the user. a purchasers use or sale of micrel products for use in life support appliances, devices or systems is at purchasers own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. ? 2005 micrel, incorporated. pa c kage ep- exposed pad die compside island heat dissipation heavy copper plane heavy copper plane v ee v ee heat dissipation pcb thermal consideration for 8-pin mlf ? package (always solder, or equivalent, the exposed pad to the pcb)
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