may 2008 pcs1p2859a rev 0.2 notice: the information in this document is subject to change without notice. pulsecore semiconductor corporation 1715 s. bascom ave suite 200, campbell, ca 95008 ? tel: 408-879-9077 ? fax: 408-879-9018 www. p ulsecoresemi.com multi-output clock synthesizer features ? generates multiple clock outputs from an inexpensive 25mhz crystal or external reference clock ? frequency outputs: ? 25mhz reference clock ? 33mhz ? 48mhz (2 outputs) ? 127mhz (2 outputs) ? zero ppm frequency synthesis error for all clk outputs ? supply voltage :3.3v 5%v ? low jitter design ? packaged in 16 pin tssop ? industrial temperature range ? compatible with cy22393xc-f12 ? advanced low-power cmos process product description the pcs1p2859a is a precision multi-pll based frequency synthesizer. t he six clock outputs are generated using an inexpensive 25mhz crystal. the outputs consist of 25 mhz refe rence clock, 33 mhz, two 127mhz and two 48mhz clocks. the shutdownb tri- states all the clocks when en abled. the devic e operates from a supply voltage of 3.3v5%v. the device is available in a 16-pin tssop jedec package for industrial temperature range. application pcs1p2859a is targeted for use in high-end multimedia, communications and consumer applications. block diagram gnd 33mhz crystal oscillator 48mhz 127mhz vdd pll 25mhz clkin/xin xout shutdownb 48m_enblb avdd agnd 2 2
may 2008 pcs1p2859a rev 0.2 multi-output clock synthesizer 2 of 7 notice: the information in this document is subject to change without notice. pin diagram pin description pin # pin name pin type pin description 1 127mhz output 127mhz clock output 2 vdd power connect to +3.3v 3 agnd power connect to ground 4 clkin / xin input external reference clock or input crystal connection. 5 xout output connection to crystal. if using an external reference clock, this pin must be left unconnected 6 refout output 25mhz reference clock output 7 48mhz output 48mhz clock output 8 48mhz output 48mhz clock output 9 127mhz output 127mhz clock output 10 33mhz output 33mhz clock output 11 gnd power connect to ground 12 nc no connection 13 nc no connection 14 avdd power connect to +3.3v 15 48m_enblb input 48mhz output enable bit. when this pin is made low, the 48mhz clocks are enabled.tri- states 48mhz clocks when this pin is high . 16 shutdownb input output enable bit. when this pin is made high, all clocks are enabled. tri-states all clocks when this pin is low . shutdownb 48m_enblb nc nc gnd 33mhz 127mhz 48mhz 48mhz refout xout clkin/xin 127mhz avdd vdd agnd pcs1p2859a 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
may 2008 pcs1p2859a rev 0.2 multi-output clock synthesizer 3 of 7 notice: the information in this document is subject to change without notice. absolute maximum ratings symbol parameter rating unit vdd power supply voltage relative to ground -0.5 to +4.6 v in input voltage relative to ground (input pins) -0.5 to vdd+0.3 v t stg storage temperature -65 to +150 c t s max. soldering temperature (10 sec) 260 c t j junction temperature 125 c t dv static discharge voltage (as per jedec std22- a114-b) 2 kv note: these are stress ratings only and are not implied for functional use. exposure to absolute maximum ratings for prolonged periods of time may affect device reliability. operating conditions parameter description min typ max unit vdd /avdd operating voltage 3.135 3.3 3.465 v t a operating temperature (ambie nt temperature) -40 +85 c c l load capacitance 15 pf c in input capacitance 5 pf dc electrical characteristics symbol parameter conditions min typ max units vdd /avdd operating voltage 3.135 3.3 3.465 v v ih input high voltage 2.2 vdd+0.3 v v il input low voltage gnd-0.3 1.0 v v oh output high voltage vdd=3.135,i oh = -12ma 2.4 v v ol output low voltage vdd=3.135, i ol = 12ma 0.4 v i oz output leakage current three-state outputs 10 a i cc static current clkin and shutdown pins pulled low 5.5 a i dd dynamic current no load, all clocks on 35 ma z out nominal output impedance 30 ?
may 2008 pcs1p2859a rev 0.2 multi-output clock synthesizer 4 of 7 notice: the information in this document is subject to change without notice. ac electrical characteristics symbol parameter min typ max unit clkin/xin input clock frequency 25 mhz pin 10 33 pin 7,8 48 pin 1,9 127 clk out output clock frequency pin 6 25 mhz t lh 1 rising edge slew rate (measured from 20% to 80%) 1.1 1.7 v/ns t hl 1 falling edge slew rate (measured from 80% to 20%) 1.3 2 v/ns t pj 1 peak-to-peak period jitter @ vdd/2 300 ps synthesis error (output frequency) 0 ppm t d 1 output duty cycle 45 50 55 % t lock pll lock time from power-up 1 3 ms note: 1. measured with 15pf capacitive load typical crystal oscillator circuit typical crystal specifications fundamental at cut parallel resonant crystal nominal frequency 25mhz frequency tolerance 50 ppm or better at 25c operating temperature range -25c to +85c storage temperature -40c to +85c load capacitance 18pf shunt capacitance 7pf maximum esr 25 ? r1 = 510 ? c1 = 27 pf c2 = 27 pf
may 2008 pcs1p2859a rev 0.2 multi-output clock synthesizer 5 of 7 notice: the information in this document is subject to change without notice. package information 16-lead thin shrunk small outline package (4.40-mm body) d e h d a a1 b e l c a2 pin 1 id 1 8 9 16 seating plane dimensions inches millimeters symbol min max min max a 0.043 1.20 a1 0.002 0.006 0.05 0.15 a2 0.031 0.041 0.80 1.05 b 0.007 0.012 0.19 0.30 c 0.004 0.008 0.09 0.20 d 0.193 0.201 4.90 5.10 e 0.169 0.177 4.30 4.50 e 0.026 bsc 0.65 bsc h 0.252 bsc 6.40 bsc l 0.020 0.030 0.50 0.75 0 8 0 8
may 2008 pcs1p2859a rev 0.2 multi-output clock synthesizer 6 of 7 notice: the information in this document is subject to change without notice. ordering code part number marking package temperature pcs1p2859ag-16tr 1p2859ag 16-pin tssop, tape & reel, green commercial pcs1p2859ag-16tt 1p2859ag 16-pin tssop, tube, green commercial pcs1i2859ag-16tr 1i2859ag 16-pin tssop, tape & reel, green industrial pcs1i2859ag-16tt 1i2859ag 16-pin tssop, tube, green industrial device ordering information pcs1p2859ag-16-tr licensed under us patent nos 5,488,627 and 5,631,920. o = tsot23 u = msop j=tsot26 s = soic e = tqfp t = tssop l = lqfp a = ssop u = msop v = tvsop p = pdip b = bga d = qsop q = q fn x = sc-70 device pin count x= automotive i= industrial p or n/c = commercial (-40c to +125c) (-40c to +85c) (0c to +70c) 1 = reserved 6 = power management 2 = non pll based 7 = power management 3 = emi reduction 8 = power management 4 = ddr support products 9 = hi performance 5 = s td z e r o d e l ay b u ff er 0 = r ese rv ed part number g = green package, lead free, and rohs r = tape & reel, t = tube or tray pulsecore semiconducto r mixed signal product
may 2008 pcs1p2859a rev 0.2 multi-output clock synthesizer 7 of 7 notice: the information in this document is subject to change without notice. ? copyright 2006 pulsecore semiconductor cor poration. all rights reserved. our logo and name are trademarks or registered trade marks of pulsecore semiconductor. all other brand and product names may be the trademarks of their res pective companies. pulsecore re serves the right to make changes to this document and its products at any time without notice. pulsecore assumes no responsibility for any errors that may appear in this document. the data contained herein repres ents pulsecore?s best data and/or estimates at the time of is suance. pulsecore reserves the right to change or correct this data at any time, without notice. if the product described herein is und er development, significant changes to these s pecifications are possible. the information in this product data sheet is intended to be general descriptive information for potential customers and users, and is not intended to operate as, or provide, any guarantee or warrantee to any user or customer. pulsecore does not assume any responsibility or li ability arising out of the application or use of any product descri bed herein, and disclaims any express or implied warranties related to the sale and/or use of pulsecore products including liability or warrant ies related to fitness for a particular purpose, merchantability, or infringement of any intellectual property rights, except as express agree d to in pulsecore?s terms and conditions of sale (whi ch are available from pulsecore). all sa les of pulsecore products are made exclusi vely according to pulsecore?s terms and conditions of sale. the purc hase of products from pulsecore does not convey a license under any patent rights, copyrights; mask works rights, trademarks, or any other intellectual property right s of pulsecore or third parti es. pulsecore does not authorize its products for use as critical components in life-supporting system s where a malfunction or failure may re asonably be expected to result in significant injury to the user, and the inclusion of pulsecore products in such life-supporting systems i mplies that the manufacturer assumes all risk of such use and agrees to indemni fy pulsecore against all claims arising from such use. pulsecore semiconductor corporation 1715 s. bascom ave suite 200 campbell, ca 95008 tel: 408-879-9077 fax: 408-879-9018 www.pulsecoresemi.com copyright ? pulsecore semiconductor all rights reserved part numbers: pcs1p2859a document version: 0.2 note: this product utilizes us patent # 6,646,463 impedance emulator patent issued to pulsecore semiconductor, dated 11-11-2003 many pulsecore semiconductor products are pr otected by issued patents or by applications for patent
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