cy2300 phase-aligned clock multiplier cypress semiconductor corporation ? 198 champion court ? san jose , ca 95134-1709 ? 408-943-2600 document #: 38-07252 rev. *d revised september 01, 2010 phase-aligned clock multiplier features 4-multiplier configuration single pll architecture phase alignment low jitter, high accuracy outputs output enable pin 3.3 v operation 5 v tolerant input internal loop filter 8-pin 150-mil small-outline integrated circuit (soic) package commercial temperature functional description the cy2300 is a 4 out put 3.3 v phase-al igned system clock designed to distribute high-s peed clocks in pc, workstation, datacom, telecom, and other high-performance applications. the part allows the user to obtain 1/2x, 1x, 1x and 2x refin output frequencies on respective output pins. the part has an on-chip pll which locks to an input clock presented on the refin pin. the input-to-output skew is guaranteed to be less than ? 200 ps, and output-to-output skew is guaranteed to be less than 200 ps. multiple cy2300 devices can a ccept the same input clock and distribute it in a system. in this case, the skew between the outputs of two devices is guaranteed to be less than 400 ps. the cy2300 is available in commercial temperature range. pll 1/2xref 2xref refin ref divider logic fbk /2 oe ref logic block diagram [+] feedback
cy2300 document #: 38-07252 rev. *d page 2 of 9 pinouts figure 1. cy2300 ? 8-pin soic - top view maximum ratings supply voltage to ground potenti al ...............?0.5 v to +7.0 v dc input voltage (except re f).......... ..... ?0.5 v to v dd + 0.5 v dc input voltage ref .................. ............ ..........?0.5 v to 7 v storage temperature .. ............... ............... ?65 c to +150 c junction temperature................................................. 150 c static discharge voltage (per mil-std-883, method 3015) .. ............. ............ > 2000 v table 1. pin definitions pin signal [1] description 1 1/2xref clock output, 1/2x reference 2 gnd ground 3 refin input reference frequency, 5 v tolerant input 4ref clock output reference 5 ref clock output reference 6 2xref clock output, 2x reference 7v dd 3.3 v supply 8 oe output enable (weak pull-up) 1 2 3 4 5 8 7 6 1/2xref gnd refin ref v dd oe ref 2xref note 1. weak pull-down on all outputs. operating conditions parameter description min max unit v dd supply voltage 3.0 3.6 v t a operating temperature (ambient temperature) 0 70 c c l load capacitance, 10 mhz < f out < 133.33 mhz ? 18 pf load capacitance,133.33 mhz < f out < 166.67 mhz ? 12 pf c in input capacitance ? 7 pf t pu power-up time for all v dd 's to reach minimum specified voltage (power ramps must be monotonic) 0.05 50 ms [+] feedback
cy2300 document #: 38-07252 rev. *d page 3 of 9 electrical characteristics parameter description test conditions min max unit v il input low voltage ? 0.8 v v ih input high voltage 2.0 ? v i il input low current v in = 0 v ? 100 a i ih input high current v in = v dd ?50a v ol output low voltage [2] i ol = 8 ma ? 0.4 v v oh output high voltage [2] i oh = ?8 ma 2.4 ? v i dd supply current unloaded outputs, refin = 66 mhz ? 45 ma unloaded outputs, refin = 33 mhz ? 32 ma unloaded outputs, refin = 20 mhz ? 18 ma switching characteristics parameter name test conditions min typ max unit 1/t 1 output frequency 18-pf load 10 ? 133.33 mhz 12-pf load ? ? 166.67 mhz duty cycle [3] = t 2 ?? t 1 measured at v dd /2 40 50 60 % t 3 rise time [3] measured between 0.8 v and 2.0 v ? ? 1.20 ns t 4 fall time [3] measured between 0.8 v and 2.0 v ? ? 1.20 ns t 5 output to output skew on rising edges [3] all outputs equally loaded measured at v dd /2 ? ? 200 ps t 6 delay, refin rising edge to output rising edge [3] measured at v dd /2 from refin to any output ?? ? 200 ps t 7 device to device skew [3] measured at v dd /2 on the 1/2xref pin of devices (pin 1) ? ? 400 ps t j period jitter [3] measured at fout=133.33 mhz, loaded outputs, 18-pf load ?? ? 175 ps t lock pll lock time [3] stable power supp ly, valid clocks presented on refin ??1.0ms notes 2. parameter is guaranteed by design and characteri zation. it is not 100% tested in production. 3. all parameters are specified with equally loaded outputs. switching waveforms t 1 t 2 v dd /2 figure 2. duty cycle timing [+] feedback
cy2300 document #: 38-07252 rev. *d page 4 of 9 test circuits switching waveforms (continued) output t 3 3.3v 0v 0.8v 2.0v 2.0v 0.8v t 4 figure 3. all outputs rise/fall time v dd /2 t 5 output output v dd /2 figure 4. output to output skew v dd /2 t 6 refin output v dd /2 figure 5. input to output propagation delay v dd /2 t 7 1/2xref, device1 1/2xref, device2 v dd /2 figure 6. device to device skew 0.1 ? f v dd clk out c load outputs gnd figure 7. test circuit #1 [+] feedback
cy2300 document #: 38-07252 rev. *d page 5 of 9 ordering code definitions ordering information ordering code package type operating range pb-free cy2300sxc 8-pin 150-mil soic commercial (0 to 70 c) cy2300sxct 8-pin 150-mil soic - tape and reel commercial (0 to 70 c) t = tape and reel, blank = tube temperature grade: c = commercial fixed for pb-free package type: s = soic part identifier company id: cy = cypress (t) c x s cy 2300 [+] feedback
cy2300 document #: 38-07252 rev. *d page 6 of 9 package drawing and dimensions figure 7. 8-pin (150-mil) soic s8 51-85066 *d [+] feedback
cy2300 document #: 38-07252 rev. *d page 7 of 9 acronyms reference documents reference documents are available through your local cypress sales representative. you can also direct your requests to tsbusdev@cypress.com . document conventions units of measure acronym description fbk feedback oe output enable pll phase locked loop refin reference input document number document title description na na na symbol unit of measure c degrees celsius hz hertz khz kilo hertz mhz mega hertz a micro amperes f micro farads s micro seconds v micro volts ma milli amperes mm milli meters ms milli seconds mv milli volts ns nano seconds pa pico amperes pf pico farads ps pico seconds vvolts [+] feedback
cy2300 document #: 38-07252 rev. *d page 8 of 9 document history page document title: cy2300 phase-aligned clock multiplier document number: 38-07252 rev. ecn orig. of change submission date description of change ** 110517 szv 01/07/02 change from spec number: 38-01039 to 38-07252 *a 121854 rbi 12/14/02 power up requirements added to operating conditions information *b 246829 rgl 08/02/04 added lead free devices *c 2568533 aesa 09/23/08 updated template. removed selector guide. removed operating conditions for cy2300si industri al temperature devices. removed electrical characteristics for cy2300si industrial temperature devices. removed switching characteristics for cy2300si industrial temperature devices. removed part number cy2300sc, cy2300sc, cy2300si, cy2300si, cy2300sxi and cy2300sxit. *d 3026183 bash 09/01/2010 removed ?benefits? from page 1. added lower limit of 10mhz for 18pf load capacitance in operating conditions on page 3. ordering code definitions added on page 5. acronyms , reference documents and document conventions added on page 7. [+] feedback
document #: 38-07252 rev. *d revise d september 01, 2010 page 9 of 9 all products and company names mentioned in this document may be the trademarks of their respective holders. cy2300 ? cypress semiconductor corporation, 2002-2010. the information contained herein is subject to change without notice. cypress s emiconductor corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a cypress product. nor does it convey or imply any license under patent or other rights. cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement wi th cypress. furthermore, cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. the inclusion of cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies cypress against all charges. any source code (software and/or firmware) is owned by cypress semiconductor corporation (cypress) and is protected by and subj ect to worldwide patent protection (united states and foreign), united states copyright laws and internatio nal treaty provisions. cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the cypress source code and derivative works for the sole purpose of creating custom software and or firmware in su pport of licensee product to be used only in conjunction with a cypress integrated circuit as specified in the applicable agreement. any reproduction, modification, translation, compilation, or repre sentation of this source code except as specified above is prohibited without the express written permission of cypress. disclaimer: cypress makes no warranty of any kind, express or implied, with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. cypress reserves the right to make changes without further notice to t he materials described herein. cypress does not assume any liability arising out of the application or use of any product or circuit described herein. cypress does not authori ze its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. the inclusion of cypress? prod uct in a life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies cypress against all charges. use may be limited by and subject to the applicable cypress software license agreement. sales, solutions, and legal information worldwide sales and design support cypress maintains a worldwide network of offices, solution center s, manufacturer?s representative s, and distributors. to find t he office closest to you, visit us at cypress.com/sales. products automotive cypress.co m/go/automotive clocks & buffers cypress.com/go/clocks interface cypress. com/go/interface lighting & power control cypress.com/go/powerpsoc cypress.com/go/plc memory cypress.com/go/memory optical & image sensing cypress.com/go/image psoc cypress.com/go/psoc touch sensing cyp ress.com/go/touch usb controllers cypress.com/go/usb wireless/rf cypress.com/go/wireless psoc solutions psoc.cypress.com/solutions psoc 1 | psoc 3 | psoc 5 [+] feedback
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