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sy733021u 2.5/3.3v 1 - to - 1 differential to lvcmos/lvttl translator precision edge ? general description micrel?s sy733021u is a 1 - to - 1, differential - to - lvcmos / lvttl translator. the differential input is highly flexible and can accept lvpecl, lvds, lvhstl, sstl, and hcsl input types. sy733021u is part of micrel?s precision edge ? product line, is pin - to - pin compatible with idt?s ics83021 i and is available as a pb - free 8 - pin soic in either tube or tape and reel packaging. the sy733021u runs on a 2.5v ( 5% ) or a 3.3v ( 1 0% ) power supply and is guaranteed over the full industrial temperature range ( ? 40c to +85c). datasheets and support documentation are available on micrel?s web site at: www.micrel.com . features ? differential lvpec l, lvds, lvh stl, sstl, and hcsl inputs ? 350mhz max imum frequency ? additive phase jitter: ? 9 0 fs rms , 1 00mhz ( 637 khz to 1 0mhz) ? <500ps part - to - part skew ? 1.9 ns typical propagation delay (v cc = 2.5v) ? 2.5v 5% or 3.3v 10% power supply operation ? ? 40c to +85c industrial operating temperature ? available in 8 - pin soic lead - free package applications ? clock distribution ? pciexpress ? ? servers ? switches ? routers functional block diagram precision edge is a registered trademark of micrel, inc. pci - express is a registered trademark of pci - sig. micrel inc. ? 2180 fortune drive ? san jose, ca 95131 ? usa ? tel +1 (408) 944 - 0800 ? fax + 1 (408) 474 - 1000 ? http://www.micrel.com march 21, 2014 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u ordering information ( 1 ) part number package type operating range package marking lead finish sy733021uzg 8l soic industrial sy733021 u with pb - free bar - line indicator nipdau sy733021uzg tr ( 2 ) 8l soic industrial sy733021 u with pb - free bar - line indicator nipdau note: 1. contact factory for die availability. dice are guaranteed at t a = 25c, dc electricals only. 2. tape and reel . pin configuration 8 - pin soic (z8 -1) pin description pin number pin name functional description 7 q ttl output 2, 3 d, /d differential inputs 8 v cc +3.3v or +2.5v power supply 5 gnd ground 1, 4, 6 nc no connect truth table d /d q l h l h l h open open l march 21, 2014 2 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u absolute maximum ratings ( 3 ) input voltage (v in ) ................................ ? 0. 5 v to v cc + 0.5v supply voltage (v cc ) ..................................................... 4.6 v lead temperature (soldering, 20s ) ............................ 260c storage temperature (t s ) ......................... ? 65c to +150 c operating ratings ( 4 ) supply v oltage (v cc ) ............... +2.5v 5% or +3.3v 10 % ambient temperature (t a ) .......................... ? 40c to +85c junction thermal resistance soic ( ja ) ........................................................ 113 c/w dc electrical characteristics ( 5 ) v cc = +2.5v 5% or +3.3v 10 % ; t a = -40 c to +85c symbol parameter condition min. typ. max. units v cc power supply voltage 2.375 2.5 2.625 v 2.97 3.3 3.6 3 i cc power supply current 20 ma ttl dc electrical characteristics ( 5 , 6 ) t a = -40 c to +85c symbol parameter condition min. typ. max. units v oh output high voltage v cc = 2.625v 1.8 v v cc = 3.6 3 v 2.6 v o l output low voltage v cc = 2.625v or 3.6 3 v 0.5 v differential input dc electrical characteristics ( 5 ) v cc = +2.5v 5% or +3.3v 10 % ; t a = -40 c to +85c symbol parameter condition min. typ. max. units i i h input high current d, v in = v cc = 3.6 3 v or 2.625v 150 a /d, v in = v cc = 3.6 3 v or 2.625v 5 i i l input low current d, v in = 0v, v cc = 3.6 3 v or 2.625v -5 a /d, v in = 0v, v cc = 3.6 3 v or 2.625v -150 v pp peak -to - peak input voltage v il - 0.3v 0.15 1.3 v v ihc mr input high common mode range note 7 gnd + 0.5 v cc ? 0.85 v notes: 3. permanent device damage may occur if absolute maximum ratings are exceeded. this is a stress rating only and functional opera tion is not implied at conditions other than those detailed in the operational sections of this data sheet. exposure to absolute maximum ratings conditions may affect device reliability. 4. the datasheet limits are not guaranteed if the device is operated beyond the recommended operating cond itions. 5. the circuit is designed to meet the dc specifications shown in the above tables after thermal equilibrium has been establishe d. 6. outputs terminated with 50 ? to v cc /2. see parameter measurement set - up . 7. v ihcmr maximum varies 1:1 with v cc . the v ihcmr range is referenced to the most positive side of the differential input signal. march 21, 2014 3 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u ac electrical characteristics v cc = +2.5v 5% or +3.3v 10 % ; t a = -40 c to +85c symbol parameter condition min. typ. max. units f max maximum frequency 350 mhz t pd propagation delay note 8 , +2.5v 5% supply 1.7 1.9 2.5 ns note 8 , +3.3v 10% supply 1.5 1.8 2.3 t skew part -to - part skew notes 9 and 10 500 ps t r , t f output rise/fall times 20%? 80% at 100 mhz , +2.5v 5% supply 125 200 400 ps 20%? 80% at 100 mhz , +3.3v 10% supply 100 t rj_jitter additive phase jitter 12khz ? 20mhz at 100mhz 1 3 0 fs rms 637khz ? 10mhz at 100mhz 9 0 fs rms t dcy duty cycle 45 50 55 % note s : 8. measured from the differential input crossing point to v cc /2 at the output . 9. part - to - part skew is the difference in time between outputs receiving data from the same input, for the same temperature, voltage, and tra nsition. 10. this parameter is defined in accordance with jedec standard 65. march 21, 2014 4 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u additive phase noise plot march 21, 2014 5 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u typical operating characteristics timing diagram and definition of input swing march 21, 2014 6 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u parameter measurement set -up output load ac test circuit march 21, 2014 7 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u input interface applications option 1 option 2 d, /d input drive n by a 3.3v lvpecl driver d, /d input driven by a 3.3v lvds driver d, /d input driven by an hcsl driver march 21, 2014 8 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u input interface applications (continued) d, /d input driven by a 2.5v sstl driver march 21, 2014 9 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u package information ( 11) 8 - pin soic ( z8 -1) note: 11. package information is correct as of the publication date. for updates and most current information, go to www.micrel.com . march 21, 2014 10 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690
micrel, inc. sy733021u 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 the accuracy or completeness of the information furnished in th is data sheet. this information is not intended as a warranty and micre l does not assume responsibility for its use. micrel reserves the right to change circuitry, specifications and descriptions at any time without notice. no license, whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this document. except as provided in micrel?s terms and conditions of sale for such products, micrel assumes no liability whatsoever, and micrel disclaims any express or implied warranty relating to the sale and/or use of micrel produ cts including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right . micrel products are not designed or authorized for use as components in lif e support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. life support devices or systems are devices or systems that (a) are intended 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 injury to the user. a purchaser?s use or sale of micrel products for use in life support appliances, devices or systems is a purchaser?s own risk a nd purcha ser agrees to fully indemnify micrel for any damages resulting from such use or sale. ? 20 14 micrel, incorporated. march 21, 2014 11 revision 1.0 hbwhelp@micrel.com or (408) 955 - 1690

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