(preliminary) pl611s-06 low-power programmable quick turn clock t m 47745 fremont blvd., fremont, california 94538 tel (510) 492-0990 fax (510) 492-0991 www.phaselink.com rev 12/12/06 page 1 features ? advanced low-power, space saving programmable pll design ? very low jitter and phase noise (30-70ps pk-pk typi cal) ? up to 2 programmable clock outputs ? cmos output frequency up to 35mhz. ? accepts crystal or ref clock input o fundamental crystal: 10mhz to 30mhz o reference input: 1mhz to 100mhz ? accepts >0.1v reference signal input voltage ? single 1.8v, 2.5v, or 3.3v 10% power supply ? operating temperature range from -40c to 85 c ? available in 6-pin dfn, sc70, and sot23, green /rohs compliant packages description the pl611s-06 is a low-power general purpose frequency synthesizer and a member of phaselinks programmable quick turn clock (qtc) family. phaselinks pl611s-06 can generate two system clock frequencies of up to 35mhz from a 10mhz to 30mhz fundamental crystal or a 1mhz to 100mhz reference clock source. the pl611s-06 offers the best phase noise and jitter performance, and power consumption of its rivals. cascading of the ics to produce additional clock frequencies is also supported. package pin configuration block diagram phase detector charge pump loop filter vco xin/fin xout r-counter (8-bit) f vco = f ref * (2 * m/r) f out = f vco / (2 * p) clk f ref programming logic oe, clk1 xtal osc m-counter (11-bit) p-counter (5-bit) programmable cload programmable function 12 3 4 5 6 oe, clk1 gnd xin, fin vdd xout clk0 dfn dfn dfn dfn- -- -6 66 6l l l l ( (( (2 22 2. .. .0 00 0mmx mmx mmx mmx1 11 1. .. .3 33 3mmx mmx mmx mmx0 00 0. .. .6 66 6mm mmmm mm) )) ) sot sot sot sot23 2323 23- -- -6 66 6l l l l ( (( (3 33 3. .. .0 00 0mmx mmx mmx mmx3 33 3. .. .0 00 0mmx mmx mmx mmx1 11 1. .. .35 3535 35mm mmmm mm) )) ) 12 3 4 5 6 gnd oe, clk1 xin, fin vdd sc scsc sc70 7070 70- -- -6 66 6l l l l ( (( (2 22 2. .. .3 33 3mmx mmx mmx mmx2 22 2. .. .25 2525 25mmx mmx mmx mmx1 11 1. .. .0 00 0mm mmmm mm) )) ) clk0 xout xin, fin oe, clk1 gnd xout vdd clk0 p p p p l l l l 6 6 6 6 1 1 1 1 1 1 1 1 s s s s - - - - 0 0 0 0 6 6 6 6 p p p p l l l l 6 6 6 6 1 1 1 1 1 1 1 1 s s s s - - - - 0 0 0 0 6 6 6 6 12 3 65 4 p p p p l l l l 6 6 6 6 1 1 1 1 1 1 1 1 s s s s - - - - 0 0 0 0 6 6 6 6
(preliminary) pl611s-06 low-power programmable quick turn clock t m 47745 fremont blvd., fremont, california 94538 tel (510) 492-0990 fax (510) 492-0991 www.phaselink.com rev 12/12/06 page 2 key programming parameters clk output frequency output drive strength programmable input/output f out = f ref * m / (r * p) where m = 11 bit r = 8 bit p = 5 bit clk0 = f out , f ref or f ref / (2*p) clk1 = f ref , f ref /2, clk0 or clk0/2 three optional drive strengths to choose from: ? low: 4ma ? std: 8ma (default) ? high: 16ma one output pin can be configured as: ? oe - input ? clk1 C output package pin assignment pin assignment name sot23 pin # sc70 pin# dfn pin# type description oe, clk1 1 2 2 b this programmable i/o pin can be configured as an output enable (oe) input, or clk1 output. this pin has an internal 60kl pull up resistor (oe function only). gnd 2 1 3 p gnd connection xin, fin 3 3 1 i crystal or reference input pin crystal output pin xout 4 4 6 o do not connect (dnc ) when fin is present vdd 5 5 5 p vdd connection clk0 6 6 4 o programmable clock output
(preliminary) pl611s-06 low-power programmable quick turn clock t m 47745 fremont blvd., fremont, california 94538 tel (510) 492-0990 fax (510) 492-0991 www.phaselink.com rev 12/12/06 page 3 functional description pl611s-06 is a highly featured, very flexible, adva nced programmable pll design for high performance, low- power, small form-factor applications. the pl611s- 06 accepts a fundamental crystal input of 10mhz to 30mhz or reference clock input of 1mhz to 100mhz and is capa ble of producing two outputs up to 35mhz. this fle xible design allows the pl611s-06 to deliver any pll gene rated frequency, f ref (crystal or ref clk) frequency or f ref /2 to clk0 and/or clk1. some of the design feature s of the pl611s-06 are mentioned below: pll programming the pll in the pl611s-06 is fully programmable. the pll is equipped with an 8-bit input frequency divider (r-counter), and an 11-bit vco frequency feedback loop divider (m-counter). the output of t he pll is transferred to a 5-bit post vco divider (p- counter). the output frequency is determined by th e following formula [f out = f ref * m / (r * p) ]. clock output (clk0) clk0 is the main clock output. the output of clk0 can be configured as the pll output (f vco /(2*p)), f ref (crystal or ref clk frequency) output, or f ref /2 output. the output drive level can be programmed t o low drive (4ma), standard drive (8ma) or high drive (16ma). the maximum output frequency is 35mhz. clock output (clk1) the clk1 feature allows the pl611s-06 to have an additional clock output. this output can be programmed to one of the following: f ref - reference ( crystal or ref clk ) frequency f ref / 2 clk0 clk0 / 2 output enable (oe) the output enable feature allows the user to enable and disable the clock output(s) by toggling the oe pin. the oe pin incorporates a 60kl pull up resist or giving a default condition of logic 1.
(preliminary) pl611s-06 low-power programmable quick turn clock t m 47745 fremont blvd., fremont, california 94538 tel (510) 492-0990 fax (510) 492-0991 www.phaselink.com rev 12/12/06 page 4 electrical specifications absolute maximum ratings parameters symbol min. max. units supply voltage range v dd - 0.5 7 v input voltage range v i - 0.5 v dd + 0.5 v output voltage range v o - 0.5 v dd + 0.5 v soldering temperature (green package) 260 c data retention @ 85 c 10 year storage temperature t s -65 150 c ambient operating temperature* -40 85 c exposure of the device under conditions beyond the limits specified by maximum ratings for extended pe riods may cause permanent damage to the device and affect product reliability. these conditions r epresent a stress rating only, and functional opera tions of the device at these or any other condition s above the operational limits noted in this specification is not implied. *operating temperature is guarante ed by design. parts are tested to commercial grade only. ac specifications parameters conditions min. typ. max. units crystal input frequency (xin) fundamental crystal 1 0 30 mhz @ v dd =3.3v @ v dd =2.5v input (fin) frequency @ v dd =1.8v 1 100 mhz input (fin) signal amplitude internally ac coupled (high frequency) 0.9 v dd vpp input (fin) signal amplitude internally ac coupled (low frequency) 3.3v < 50mhz, 2.5v < 40mhz, 1.8v < 15mhz 0.1 v dd v pp @ v dd =3.3v mhz @ v dd =2.5v mhz output frequency @ v dd =1.8v 35 mhz settling time at power-up (after v dd increases over 1.62v) 2 ms oe function; ta=25o c, 15pf load 10 ns output enable time pdb function; ta=25o c, 15pf load 2 ms vdd sensitivity frequency vs. v dd +/-10% -2 2 ppm output rise time 15pf load, 10/90% v dd , high drive, 3.3v 1.2 1.7 ns output fall time 15pf load, 90/10% v dd , high drive, 3.3v 1.2 1.7 ns duty cycle pll enabled, @ v dd /2 45 50 55 % period jitter,pk-to-pk* (measured from 10,000 samples) with capacitive decoupling between v dd and gnd. 70 ps * note: jitter performance depends on the programmi ng parameters.
(preliminary) pl611s-06 low-power programmable quick turn clock t m 47745 fremont blvd., fremont, california 94538 tel (510) 492-0990 fax (510) 492-0991 www.phaselink.com rev 12/12/06 page 5 dc specifications parameters symbol conditions min. typ. max. units supply current, dynamic, with loaded cmos outputs i dd @ v dd =3.3v, 27mhz, load=15pf 5.5 ma supply current, dynamic, with loaded cmos outputs i dd @ v dd =2.5v, 27mhz, load=15pf 3.5 ma supply current, dynamic with loaded cmos outputs i dd @vdd=1.8v,27mhz, load=5pf 1.8 ma supply current, dynamic, with loaded cmos outputs i dd when pdb=0 <10 ya operating voltage v dd 1.62 3.63 v output low voltage v ol i ol = +4ma standard drive 0.4 v output high voltage v oh i oh = -4ma standard drive v dd C 0.4 v output current, low drive i osd v ol = 0.4v, v oh = 2.4v 4 ma output current, standard drive i osd v ol = 0.4v, v oh = 2.4v 8 ma output current, high drive i ohd v ol = 0.4v, v oh = 2.4v 16 ma * note: please contact phaselink, if super low-powe r is required. crystal specifications parameters symbol min. typ. max. units fundamental crystal resonator frequency f xin 10 30 mhz crystal loading rating (the ic can be programmed for any value in this ran ge.) c l (xtal) 8 12 pf maximum sustainable drive level 100 w operating drive level 30 w shunt capacitance c0 5.5 pf metal can crystal esr max esr 50 l shunt capacitance c0 2.5 pf small smd crystal esr max esr 80 l
(preliminary) pl611s-06 low-power programmable quick turn clock t m 47745 fremont blvd., fremont, california 94538 tel (510) 492-0990 fax (510) 492-0991 www.phaselink.com rev 12/12/06 page 6 layout recommendations the following guidelines are to assist you with a p erformance optimized pcb design: - keep all the pcb traces to the pl611s-06 as short as possible, as well as keeping all other traces as far away from it as possible. - place a 0.01yf~0.1yf decoupling capacitor between vdd and gnd, on the component side of the pcb, close to the vdd pin. it is not recommended to place this component on the backside of the pcb. going through vias will reduce the signal integrity, causing additional jitter and phase noise. - it is highly recommended to keep the vdd and gnd traces as short as possible. - when connecting long traces (> 1 inch) to a cmos output, it is important to design the traces as a transmission line or stripline, to avoid reflecti ons or ringing. in this case, the cmos output needs to be matched to the trace impedance. usually striplines are designed for 50l impedance and cmos outputs usually have lower than 50 l impedance so matching can be achieved by adding a resistor in series with the cmos output pin to the stripline trace. - please contact phaselink for additional informati on on how to design outputs driving long traces or for the gerber files for the pl611s-06 eval board shown . dfn-6l evaluation board
(preliminary) pl611s-06 low-power programmable quick turn clock t m 47745 fremont blvd., fremont, california 94538 tel (510) 492-0990 fax (510) 492-0991 www.phaselink.com rev 12/12/06 page 7 d e pin1 dot d1 b e e1 l a3 a a1 pin 6 id chamfer package drawings ( green package compliant) sot23-6l sc70-6l dfn-6l dimension in mm symbol min. max. a 1.05 1.35 a1 0.05 0.15 a2 1.00 1.20 b 0.30 0.50 c 0.08 0.20 d 2.80 3.00 e 1.50 1.70 h 2.60 3.0 l 0.35 0.55 e 0.95 bsc dimension in mm symbol min. max. a 0.80 1.00 a1 0.00 0.09 a2 0.80 0.91 b 0.15 0.30 c 0.08 0.25 d 1.85 2.25 e 1.15 1.35 h 2.00 2.30 l 0.21 0.41 e 0.65bsc dimension in mm symbol min. max. a 0.50 0.60 a1 0.00 0.05 a3 0.152 0.152 b 0.15 0.25 e 0.40bsc d 1.25 1.35 e 1.95 2.05 d1 0.75 0.85 e1 0.95 1.05 l 0.20 0.30 c l a2 e h d a1 e b a pin1 dot c l a2 e h d a1 e b a pin1 dot
(preliminary) pl611s-06 low-power programmable quick turn clock t m 47745 fremont blvd., fremont, california 94538 tel (510) 492-0990 fax (510) 492-0991 www.phaselink.com rev 12/12/06 page 8 ordering information ( green package compliant) for part ordering, please contact our sales departm ent: 47745 fremont blvd., fremont, ca 94538, usa tel: (510) 492-0990 fax: (510) 492-0991 part number the order number for this device is a combination of the following: part number, package type and operating temperature range pl611 s-06-xxx x x x part number/order number marking ? package option pl611s-06-xxxgc-r xxx 6-pin dfn (tape and reel) pl611s-06-xxxuc-r xxx 6-pin sc70 (tape and reel) pl611s-06-xxxtc-r 06xxx 6-pin sot23 (tape and reel) ? note: xxx designates marking identifier that coul d be independent of the part number. phaselink corporation, reserves the right to make c hanges in its products or specifications, or both a t any time without notice. the information furnished by phaselink is believed to be accurate a nd reliable. however, phaselink makes no guarantee or warranty concerning the accuracy of said information and shall not be responsible for any lo ss or damage of whatever nature resulting from the use of, or reliance upon this product. life support policy : phaselinks products are not authorized for use a s critical components in life support devices or sy stems without the express written approval of the president of phasel ink corporation. solder reflow profile available at www.phaselink.com/qa/solderinggreen.pdf part number temperature c=commercial i=industrial package type g=dfn-6l u=sc70-6l t=sot-6l 3 digit id code * (will be assigned at programming time) n one= tube r=tape and reel
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