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1 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 description guaranteed ac performance over temperature and voltage: dc to 10.7gbps data throughput dc to > 7ghz f max (clock) < 240ps propagation delay < 70ps t r /t f times ultra-low crosstalk-induced jitter: 0.7ps rms ultra-low jitter design: < 1ps rms random jitter < 10ps pp deterministic jitter < 10ps pp total jitter (clock) unique input termination and v t pin accepts dc- coupled and ac-coupled inputs (cml, pecl, lvds) 400mv (100k) lvpecl output swing power supply 2.5v 5% or 3.3v 10% ?0 c to +85 c temperature range available in 16-pin (3mm 3mm) mlf package features ultra-precision differential 400mv lvpecl 2:1 mux with internal termination precision edge sy58019u applications redundant clock distribution oc-3 to oc-192 sonet/sdh clock/data distribution loopback fibre channel distribution rev.: b amendment: /0 issue date: may 2005 the sy58019u is a 2.5v/3.3v precision, high-speed, 2:1 differential mux capable of handling clocks up to 7ghz and data up to 10.7gbps. the differential input includes micrel? unique, 3-pin input termination architecture that allows customers to interface to any differential signal (ac- or dc-coupled) as small as 100mv without any level shifting or termination resistor networks in the signal path. the outputs are 400mv, 100k compatible, lvpecl, with extremely fast rise/fall times guaranteed to be less than 70ps. the sy58019u operates from a 2.5v 5% supply or a 3.3v 10% supply and is guaranteed over the full industrial temperature range of ?0 c to +85 c. for applications that require cml outputs, consider the sy58017u or for 800mv lvpecl outputs the sy58018u. the sy58019u is part of micrel? high-speed, precision edge product line. all support documentation can be found on micrel? web site at www.micrel.com. functional block diagram typical performance precision edge is a registered trademark of micrel, inc. anygate is a registered trademark of micrel, inc. micro leadframe and mlf are trademarks of amkor technology, inc. precision edge q0 /q0 in0 /in0 v t0 50 ? 50 ? in1 /in1 v t1 50 ? 50 ? 0 1 mux sel (ttl/cmos) s 10.7gbps output time (20ps/div.) (2 23 e1prbs) output swing (100mv/div.)
2 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 package/ordering information pin number pin name pin function 1, 2 in0, /in0 differential input: these input pairs are the differential signal inputs to the device. they 3, 4 in1, /in1 accept differential ac- or dc-coupled signals as small as 100mv. each pin of a pair internally terminates to a v t pin through 50 ? . note that these inputs will default to an indeterminate state if left open. please refer to the input interface applications section for more details. 16, 5 vt0, vt1 input termination center-tap: each side of the differential input pair terminates to a v t pin. the v t0 and v t1 pins provide a center-tap to a termination network for maximum interface flexibility. see input interface applications section for more details. 6 sel this single-ended ttl/cmos compatible input selects the inputs to the multiplexer. note that this input is internally connected to a 25k ? pull-up resistor and will default to a logic high state if left open. 7 nc no connect. 8, 13 vcc positive power supply: bypass with 0.1 f ?? 0.01 f low esr capacitors. 0.01 f capacitor should be as close to v cc pin as possible. 12, 9 q, /q differential outputs: this 100k compatible lvpecl output pair is the output of the device. terminate through 50 ? to v cc 2v. see output interface applications section. it is a logic function of the in0, in1, and sel inputs. please refer to the truth table for details. 10, 11, 14, 15 gnd, ground. ground pins and exposed pad must be connected to the same ground plane. exposed pad pin description 13 14 15 16 12 11 10 9 1 2 3 4 8 7 6 5 in0 / in0 in1 / in1 q gnd gnd /q vt0 gnd gnd vcc vt1 sel nc vcc 16-pin mlf truth table sel output 0 ch0 input selected 1 ch1 input selected ordering information (1) package operating package lead part number type range marking finish sy58019umi mlf-16 industrial 019u sn-pb sy58019umitr (2) mlf-16 industrial 019u sn-pb sy58019umg (3) mlf-16 industrial 019u with pb-free pb-free bar-line indicator nipdau sy58019umgtr (2, 3) mlf-16 industrial 019u 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 sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 absolute maximum ratings (1) power supply voltage (v cc ) ...................... 0.5v to +4.0v input voltage (v in ) ......................................... 0.5v to v cc lvpecl output current (i out ) continuous ............................................................. 50ma surge .................................................................... 100ma termination current (3) source or sink current on v t pin ....................... 100ma input current source or sink current on in, /in pin ................... 50ma lead temperature (soldering, 20 sec.) ..................... 260 c storage temperature range (t s ) ........... 65 c to +150 c operating ratings (2) power supply voltage (v cc ) ............... +2.375v to +2.625v ............................................................ +3.0v to +3.6v ambient temperature range (t a ) ............. 40 c to +85 c package thermal resistance (4) mlf ( ja ) still-air ............................................................. 60 c/w mlf ( jb ) junction-to-board ............................................ 38 c/w symbol parameter condition min typ max units v cc power supply voltage 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 55 70 ma r diff_in differential input resistance 80 100 120 ? (in0-to-/in0, in1-to-/in1) r in input resistance 40 50 60 ? (in0-to-v t0 , /in0-to-v t0 , in1-to-v t1 , /in1-to-v t1 ) v ih input high voltage note 6 v cc 1.6 v cc v (in0, /in0, in1, /in1) v il input low voltage 0 v ih 0.1 v (in0, /in0, in1, /in1) v in input voltage swing see figure 1a 100 1700 mv (in0, /in0, in1, /in1) v diff_in differential input voltage swing see figure 1b 200 mv |in0, /in0|, |in1, /in1| v t in in to v t 1.28 v (in0, /in0, in1, /in1) notes: 1. permanent device damage may occur if absolute maximum ratings are exceeded. this is a stress rating only and functional operation is not implied at conditions other than those detailed in the operational sections of this data sheet. exposure to absolute 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 device s most negative potential (gnd) on the pcb. jb uses 4-layer ja in still-air measurement, 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. v ih (min) not lower than 1.2v. dc electrical characteristics (5) t a = 40 c to +85 c, unless otherwise stated.
4 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 v cc = 2.5v 5% or 3.3v 10%; t a = 40 c to +85 c; r l = 50 ? to v cc 2v, unless otherwise stated. symbol parameter condition min typ max units v oh output high voltage v cc 1.145 v cc 0.895 v q, /q v ol output low voltage v cc 1.545 v cc 1.295 v q, /q v out output differential swing see figure 1a 150 400 mv q, /q v diff_out differential output voltage swing see figure 1b 300 800 mv q, /q lvpecl output dc electrical characteristics (7) v cc = 2.5v 5% or 3.3v 10%; t a = 40 c to +85 c symbol parameter condition min typ max units v ih input high voltage 2.0 v v il input low voltage 0.8 v i ih input high current 40 a i il input low current 300 a note: 7. the circuit is designed to meet the dc specifications shown in the above table after thermal equilibrium has been established . lvttl/cmos dc electrical characteristics (7)
5 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 v cc = 2.5v 5% or 3.3v 10%; t a = 40 c to +85 c, r l = 50 ? to v cc 2v, unless otherwise stated. symbol parameter condition min typ max units f max maximum operating frequency nrz data 10.7 gbps v out 200mv clock 7 ghz t pd differential propagation delay in-to-q 90 160 240 ps sel-to-q 50 160 350 ps t pd tempco differential propagation delay 75 fs/ c temperature coefficient t skew input-to-input skew note 9 315ps part-to-part skew note 10 100 ps t jitter data random jitter note 11 1ps rms deterministic jitter note 12 10 ps pp clock cycle-to-cycle jitter note 13 1ps rms total jitter note 14 10 ps pp crosstalk-induced jitter note 15 0.7 ps rms t r , t f output rise/fall time 20% to 80%, at full swing 20 40 70 ps notes: 8. high frequency ac parameters are guaranteed by design and characterization. 9. input-to-input skew is the difference in time from an input-to-output in comparison to any other input-to-output. in addition , the input-to-input skew does not include the output skew. 10. part-to-part skew is defined for two parts with identical power supply voltages at the same temperature and with no skew of the edges at the respective inputs. 11. rj is measured with a k28.7 comma detect character pattern, measured at 2.5gbps/3.2gbps. 12. dj is measured at 2.5gbps/3.2gbps, with both k28.5 and 2 23 1 prbs pattern. 13. cycle-to-cycle jitter definition: the variation of periods between adjacent cycles, t n t n 1 where t is the time between rising edges of the output signal. 14. 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. 15. crosstalk is measured at the output while applying two similar frequencies that are asynchronous with respect to each other at the inputs. ac electrical characteristics (8)
6 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 single-ended and differential swings timing diagrams in0 /in0 q /q t pd sel q /q t pd t pd v in , v out 400mv (typ.) figure 1a. single-ended voltage swing v diff_in , v diff_out 800mv (typ.) figure 1b. differential voltage swing
7 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 typical operating characteristics v cc = 3.3v, v in = 100mv, t a = 25 c, unless otherwise stated. 160 161 162 163 164 165 166 167 -40 -20 0 20 40 60 80 100 120 propagation delay (ps) temperature ( c) propagation delay vs. temperature 160 161 162 163 164 165 166 100 200 300 400 500 600 700 800 propagation delay (ps) input voltage swing (mv) propagation delay vs. input volta g e swin g 0 50 100 150 200 250 300 350 400 450 012345678910 output amplitude (mv) frequency (ghz) output amplitude vs. frequency
8 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 2.5gbps output time (100ps/div.) (2 23 e1prbs) output swing (100mv/div.) 200mhz output output swing (100mv/div.) time (500ps/div.) 2ghz output time (100ps/div.) output swing (100mv/div.) 3.2gbps output time (100ps/div.) (2 23 e1prbs) output swing (100mv/div.) 5gbps output time (50ps/div.) (2 23 e1prbs) output swing (100mv/div.) 7ghz output time (20ps/div.) output swing (100mv/div.) typical operating characteristics v cc = 3.3v, v in = 100mv, t a = 25 c, unless otherwise stated.
9 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 10.7gbps output time (20ps/div.) (2 23 1prbs) output swing (100mv/div.) 10.7gbps mask time (20ps/div.) (2 23 1prbs) output swing (100mv/div.)
10 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 input and output stages 50 ? 50 ? v cc gnd /in v t in figure 2a. simplified differential input stage v cc /q q figure 2b. simplified lvpecl output stage input interface applications pecl in /in sy58019u v cc v cc 1.4v r pd r pd for 3.3v, r pd = 100 ? for 2.5v, r pd = 50 ? gnd gnd v t figure 3b. lvpecl interface (ac-coupled) lvds in /in v t nc sy58019u v cc gnd figure 3e. lvds interface cml in /in v t nc sy58019u v cc gnd (option: may connect v t to v cc ) figure 3c. cml interface (dc-coupled) cml in /in v t v cc 1.4v sy58019u v cc gnd figure 3d. cml interface (ac-coupled) lvpecl in /in v t sy58019u v cc 0.01 f v cc r pd for v cc = 3.3v, r pd = 50 ? for v cc = 2.5v, r pd = 19 ? gnd figure 3a. lvpecl interface (dc-coupled)
11 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 related micrel products and support documentation output interface applications r2 82 ? r2 82 ? for 3.3v, r1 = 250 ? , r2 = 62.5 ? for 2.5v, r1 = 130 ? , r2 = 82 ? z o = 50 ? z o = 50 ? +3.3v +3.3v r1 130 ? r1 130 ? +3.3v figure 4a. parallel thevenin-equivalent termination z = 50 ? z = 50 ? 50 ? 50 ? +3.3v +3.3v source destination r b 0.01 f (optional) v cc for 3.3v, r b = 50 ? for 2.5v, r b = 19 ? figure 4b. three-resistor y termination +3.3v z o = 50 ? r2 82 ? +3.3v r1 130 ? figure 4c. terminating unused i/o part number function data sheet link sy58016l 3.3v 10gbps differential cml line driver/receiver http://www.micrel.com/product-info/products/sy58016l.shtml with internal i/o termination sy58017u ultra precision differential cml 2:1 mux with http://www.micrel.com/product-info/products/sy58017u.shtml internal i/o termination sy58018u ultra precision differential lvpecl 2:1 mux with http://www.micrel.com/product-info/products/sy58018u.shtml internal termination sy58025u 10.7gbps dual 2:1 cml mux with http://www.micrel.com/product-info/products/sy58025u.shtml internal i/o termination sy58026u 5gbps dual 2:1 mux with internal termination http://www.micrel.com/product-info/products/sy58026u.shtml sy58027u 10.7gbps dual 2:1 400mv lvpecl mux with http://www.micrel.com/product-info/products/sy58027u.shtml internal termination sy58051u 10.7gbps anygate with internal input and output http://www.micrel.com/product-info/products/sy58051u.shtml termination SY58052U 10gbps clock/data retimer with 50 ? input termination http://www.micrel.com/product-info/products/SY58052U.shtml 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
12 precision edge sy58019u micrel, inc. m9999-051105 hbwhelp@micrel.com or (408) 955-1690 16 lead micro leadframe (mlf-16) package ep- exposed pad die compside island heat dissipation heavy copper plane heavy copper plane v ee v ee heat dissipation pcb thermal consideration for 16-pin mlf package (always solder, or equivalent, the exposed pad to the pcb) 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 purchaser s use or sale of micrel products for use in life support appliances, devices or systems is at purchaser s own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. ? 2005 micrel, incorporated. package notes: 1. package meets level 2 qualification. 2. all parts are dry-packaged before shipment. 3. exposed pads must be soldered to a ground for proper thermal management.

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