1 pi6c49x0202 block diagram description the pi6c49x0202 is a low skew, 1-to-2 lvcmos/lvttl high performance fanout buffer. the pi6c49x0202 has a single ended clock input. the single ended clock input accepts lvcmos or lvttl input levels. the pi6c49x0202 features a pair of lvcmos/lvttl outputs. guaranteed output and part-to- part skew characteristics make the pi6c49x0202 ideal for clock distribution applications demanding well defned performance and repeatibility. low skew, 1-to-2 lvcmos / lvttl fanout buffer features ? ? 2 lvcmos / lvttl outputs ? ? lvcmos / lvttl clock input accepts lvcmos or lvttl input levels ? ? maximum output frequency: 250mhz ? ? output skew: 25ps (typical) ? ? part-to-part skew: 250ps (typical) ? ? small 8 lead soic package saves board space ? ? full 3.3v, 2.5v operation modes ? ? -40c to 85c ambient operating temperature ? ? lead-free package fully rohs compliant q0 q1 clk pin assignment 1 vddo 5 6 7 8 4 3 2 q1 vddo gnd q0 gnd clk vdd www.pericom.com pi6c49x0202 revc 04/29/15 15-0055
2 pin# pin name pin ty pe pin description 1, 6 vddo power output supply pins. 2 vdd power core supply pin. 3 clk input pulldown lvcmos / lvttl clock input. 4, 7 gnd power power supply ground. 5 q1 output single clock output. lvcmos / lvttl interface levels. 8 q0 output single clock output. lvcmos / lvttl interface levels. note: pulldown refer to internal input resistors, typical values in pin characteristics table. pin descriptions symbol parameter test conditions min. ty pica l max. units c n capacitance 4 pf r pulldown input pulldown resistor 51 k r out output impedance 5 7 12 pin characteristics www.pericom.com pi6c49x0202 revc 04/29/15 pi6c49x0202 low skew, 1-to-2 lvcmos / lvttl fanout buffer 15-0055
3 maximum ratings (above which useful life may be impaired. for user guidelines, not tested.) maximum supply voltage, vdd, vddo .................. 4.6v inputs, v i ................................ C0.5v to vdd +0.5v output, v o ............................. C0.5v to vddo +0.5v storage temperature ........................... -65c to 150c esd protection (hbm) .................................................... 2000v note: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. these ratings are stress specifcations only. functional operation of product at these conditions or any condi - tions beyond those listed in the dc characteristics or ac characteristics is not implied. exposure to absolute maximum rating condi - tions for extended periods may affect product reliability. power supply dc characteristics, t a = -40c to 85c o ete coto . t . . t vdd core supply voltage 3.3v operation 3.135 3.3 3.465 v 2.5v operation 2.375 2.5 2.625 vddo output power supply voltage 3.3v supply 3.135 3.3 3.465 v 2.5v supply 2.375 2.5 2.625 idd power supply current 5 ma iddo output supply current unloaded, 25mhz 6.5 ma note: parameters measured up to f max unless otherwise noted. www.pericom.com pi6c49x0202 revc 04/29/15 pi6c49x0202 low skew, 1-to-2 lvcmos / lvttl fanout buffer 15-0055
4 lvcmos / lvttl dc characteristics, t a = -40c to 85c o ete coto . t . . t v ih input high voltage vdd = 3.3v 2 vdd+0.3 v vdd = 2.5v 1.7 vdd+0.3 v il input low voltage vdd = 3.3v -0.3 0.8 v vdd = 2.5v -0.3 0.8 i ih input high current vdd = v in = 3.465v 100 a vdd = v in = 2.625v 80 i il input low current vdd = 3.465v, v in = 0v -5 a vdd = 2.625v, v in = 0v -5 v oh output high voltage vddo = 3.3v i oh = -100a 2.9 v vddo = 2.5v i oh = -100a 2.2 v v ol output low voltage vddo = 3.3v i ol = 100a 0.2 v vddo = 2.5v i ol = 100a 0.2 v www.pericom.com pi6c49x0202 revc 04/29/15 pi6c49x0202 low skew, 1-to-2 lvcmos / lvttl fanout buffer 15-0055
5 ac characteristics, vdd = 3.3v 5%, t a = -40c to 85c o ete coto . t . . t f max output frequency vddo = 3.3v 4 250 mhz vddo = 2.5v 4 250 tp lh propagation delay, low-to-high; note 1 vddo = 3.3v, ? 250mhz 1.4 2.2 ns vddo = 2.5v, ? 250mhz 1.5 3.0 tsk (o) output skew; note 2 25 80 ps tsk (pp) part-to-part skew; note 3 250 800 ps t r output rise time note 4 vddo = 3.3v 100 300 400 ps vddo = 2.5v 100 350 500 t f output fall time note 4 vddo = 3.3v 100 300 400 ps vddo = 2.5v 100 350 500 odc output duty cycle note 5 ? 133mhz 48 52 % 133mhz < ? 200mhz 47 53 % 200mhz < ? 250mhz 47 53 % t jit additive rms jitter 156.25mhz (@12khz to 20mhz) 0.1 ps 125mhz (@12khz to 20mhz) 0.07 ps parameters measured at f max unless otherwise noted. note 1: measured from vdd /2 of the input to vddo /2 of the output. note 2: defned as skew between outputs at the same supply voltage and with equal load conditions. measured at vddo /2. note 3: defned as skew between outputs on diferent devices operating at the same supply voltages and with equal load conditions. using the same type of inputs on each device, the outputs are measured at vddo /2. note 4: defned from 20% to 80% note 5: measured at vddo /2 www.pericom.com pi6c49x0202 revc 04/29/15 pi6c49x0202 low skew, 1-to-2 lvcmos / lvttl fanout buffer 15-0055
6 ac characteristics, vdd = 2.5v 5%, t a = -40c to 85c o ete coto . t . . t f max output frequency vddo = 2.5v 4 250 mhz tp lh propagation delay, low-to-high; note 1 vddo = 2.5v, ? 250mhz 1.5 2.8 ns tsk (o) output skew; note 2 25 75 ps tsk (pp) part-to-part skew; note 3 250 800 ps t r output rise time note 4 vddo = 2.5v 100 350 500 ps t f output fall time note 4 vddo = 2.5v 100 350 500 ps odc output duty cycle note 5 ? 133mhz 48 52 % 133mhz < ? 200mhz 47 53 % 200mhz < ? 250mhz 42 58 % t jit additive rms jitter 156.25mhz (@12khz to 20mhz) 0.1 ps 125mhz (@12khz to 20mhz) 0.07 ps parameters measured at f max unless otherwise noted. note 1: measured from vdd /2 of the input to vddo /2 of the output. note 2: defned as skew between outputs at the same supply voltage and with equal load conditions. measured at vddo /2. note 3: defned as skew between outputs on diferent devices operating at the same supply voltages and with equal load conditions. using the same type of inputs on each device, the outputs are measured at vddo /2. note 4: defned from 20% to 80% note 5: measured at vddo /2 z = 50-ohm scope 50- ohm v ddo gnd v dd [+v ddo /2] [-v ddo /2] [v dd - v ddo /2] ac test circuit load www.pericom.com pi6c49x0202 revc 04/29/15 pi6c49x0202 low skew, 1-to-2 lvcmos / lvttl fanout buffer 15-0055
7 ordering information (1-3) ordering code package code package description pi6c49x0202wie w 8-pin, pb-free & green, soic PI6C49X0202WIEX w 8-pin, pb-free & green, soic, tape & reel notes: 1. thermal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. e = pb-free and green 3. adding an x suffx = tape/reel pericom semiconductor corporation ? 1-800-435-2336 ? www .pericom.com note: ? for latest package info, please check: http://www.pericom.com/products/packaging/mechanicals.php all trademarks are property of their respective owners. www.pericom.com pi6c49x0202 revc 04/29/15 pi6c49x0202 low skew, 1-to-2 lvcmos / lvttl fanout buffer 15-0055
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