1 www.pericom.com p-0.1 01/24/1 1 pi49fct20802/pi49fct20803 1:5/1:7 2.5v clock buffer for networking applications description te pi49fct2080x is 2.5v, high-speed, low noise, non-inverting clock bufer. it is designed to target networking applications that require low-skew, low-jitter, and high-frequency clock distribu- tion. it provides output-to-output skew as low as 150ps, and is an ideal clock distribution device for synchronous systems. pi49fct2080x is a clock bufer from a single input that pro- duces fve outputs on pi49fct20802 and seven outputs on pi49fct20803. pi49fct2080x is characterized for operation from C40c to 85c. features ? high frequency >150 mhz ? high-speed, low-noise, non-inverting clock bufer p i49fct20802 is a 1:5 bufer p i49fct20803 is a 1:7 bufer ? low skew < 150ps ? low duty cycle distortion < 300ps ? low propagation delay < 3.5ns ? multiple v dd , gnd pins for noise reduction ? 2.5v supply voltage and 3v tolerant input ? packaging (pb-free & green): 1 6-pin tssop (l) 1 6-pin qsop (q) - pi49fct20802 only pin configuration (pi49fct20802) 1 2 3 v dd 4 clk1 5 clk0 6 nc 7 v dd 8 gnd v dd clk3 gnd v dd nc gnd 16 15 14 13 12 11 10 9 buf_in gnd clk2 clk4 block diagram (pi49fct20802) clk4 clk2 clk1 clk0 buf_in clk3 block diagram (pi49fct20803) clk6 clk2 clk1 clk0 buf_in clk3 . . . pin configuration (pi49fct20803) 1 2 3 v dd 4 clk1 5 clk0 6 clk2 7 v dd 8 gnd v dd clk5 gnd v dd clk3 gnd 16 15 14 13 12 11 10 9 buf_in gnd clk4 clk6 11-0004
2 www.pericom.com p-0.1 01/24/1 1 pi49fct20802/pi49fct20803 1:5/1:7 2.5v clock bufer for networking applications absolute maximum ratings (over operating free-air temperature range) parameter min. max. units storage temperature -65 150 ?c ssupply voltage v dd -0.5 3.6 v input/output voltages (1) -0.5 v dd +0.5 v dc output current -60 60 ma power dissipation - 500 mw stress beyond those listed under absolute maximum ratings may cause permanent damage to the device. dc electrical characteristics (over the operating range) parameters description test conditions (1) min typ (2) max units v ih input high voltage 1.7 v v il input low voltage 0.7 i i input current v dd = 0 or v dd 1 ma v ik clamp diode voltage v dd = min., i in = C18 ma -0.7 -1 v v oh output high voltage v dd = min. i oh = C1ma 2 i oh = C8ma 1.8 (3) v ol output low voltage v dd = min. i oh = 1ma 0.4 i oh = 8ma 0.6 notes: 1. t is value is limited to 3.6v maximum. 2. f or max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device type. 3. t ypical values are at v dd = 2.5v, +25c ambient and maximum loading. operating range parameter min. max. units v dd voltage 2.50.2 v industrial temperature -40 85 ?c commercial temperature 0 70 ?c capacitive loading 10 25 pf 11-0004
3 www.pericom.com p-0.1 01/24/1 1 pi49fct20802/pi49fct20803 1:5/1:7 2.5v clock bufer for networking applications power supply characteristics parameters description test conditions (4) min typ (5) max units i ddq quiescent power supply current v in = 0 or v dd 0.1 20 a i dd supply current per input v in = v dd -0.6v (6) 47 300 i dd dynamic supply cur- rent (see graph 1) v dd = 2.7v, 15pf & 33-ohm load, f = 150 mhz 136 ma notes: 4. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device. 5. typical values are at v dd = 2.5v, +25c ambient and maximum loading. 6. per ttl driven input (v in = v dd C 0.6v); all other inputs at v dd or gnd. capacitance (t a = 25c, f = 1 mhz) parameters (3) description test conditions typ (7) max units c in input capacitance v in = 0v 3 4 pf c out output capacitance v out = 0v 6 notes: 7. tis parameter is determined by device characterization but is not production tested. graph 1. dynamic current vs. clock frequency 160 140 120 100 80 60 clock frequency [mhz] dynamic current - i dd [ma] 40 20 0 0 50 100 150 200 load = 15pf & 33 ohms load = 0 11-0004
4 www.pericom.com p-0.1 01/24/1 1 pi49fct20802/pi49fct20803 1:5/1:7 2.5v clock bufer for networking applications switching characteristics (vdd = 2.5v 0.2v, ta = 85c) parameters description test conditions (8) min typ max units f clk output frequency 150 mhz t r/tf rise/fall time v o = 0.7v ~ 1.7 v c l = 22pf, 100 mhz 1.0 1.25 ns c l = 12pf, 150 mhz 1.0 1.2 t pd propagation delay c l = 22pf, 100 mhz 3.5 3.5 c l = 12pf, 150 mhz 2.4 2.7 t sk(o) output skew c l = 22pf, 100 mhz 100 150 ps c l = 12pf, 150 mhz 100 150 t sk(p) pulse skew c l = 22pf, 100 mhz 250 300 c l = 12pf, 150 mhz 250 300 t sk(d) device-to-device skew (9) c l = 12pf, 150 mhz 400 600 notes: 8. see test circuit and waveforms. 9. identical conditions: loading, transitions, supply voltage, temperature, package type and speed grade. pin description pin name description pi49fct20802 pi49fct20803 buf_in buf_in input clk [0:4] clk [0:6] outputs gnd gnd ground v dd v dd power test circuits for all outputs pulse generator d.u.t. v in v out c l v dd 11-0004
5 www.pericom.com p-0.1 01/24/1 1 pi49fct20802/pi49fct20803 1:5/1:7 2.5v clock bufer for networking applications switching waveforms input t plh 3v 1.25v 0v output v oh 1.25v v ol t phl 2.0v 0.6v t r t f propagation delay input t plh 3v 1.5v 0v output v oh 1.5v v ol t phl t sk(p) = | t phl ? t plh | pulse skew C t sk(p) input t plhx 3v 1.5v 0v clkx v oh 1.5v v ol t phlx t sk(o) clky v oh 1.5v v ol t sk(o) t plhy t phly t sk(o) = t plhy ? t plhx or t phly ? t phlx output skew C ts k(o) input t plh1 3v 1.5v 0v package 1 output v oh 1.5v v ol t phl1 t sk(t) package 2 output v oh 1.5v v ol t sk(t) t plh2 t phl2 t sk(t) = t plh2 ? t plh1 or t phl2 ? t phl package skew C t sk(t) 11-0004
6 www.pericom.com p-0.1 01/24/1 1 pi49fct20802/pi49fct20803 1:5/1:7 2.5v clock bufer for networking applications packaging mechanical: 16-pin tssop (l) 1 description: 16-pin, 173-mil wide, tssop package code: l document control no. pd - 1310 revision: e date: 03/09/05 note: 1. package outline exclusive of mold flash and metal burr 2. controlling dimentions in millimeters 3. ref: jedec mo-153f/ab pericom semiconductor corporation 3545 n. 1st street, san jose, ca 95134 1-800-435-2335 ? www.pericom.com .193 .201 .047 max. .002 .006 seating plane .0256 bsc .018 .030 .004 .008 .252 bsc 1 16 .169 .177 0.05 0.15 6.4 0.45 0.75 0.09 0.20 4.3 4.5 1.20 4.9 5.1 0.65 0.19 0.30 .007 .012 11-0004
7 www.pericom.com p-0.1 01/24/1 1 pi49fct20802/pi49fct20803 1:5/1:7 2.5v clock bufer for networking applications pericom semiconductor corporation ? 1-800-435-2336 packaging mechanical: 16-pin qsop (q) 1 .189 .197 .053 .069 .004 .010 seating plane .025 bsc .007 .010 .228 .244 1 16 .150 .157 x.xx x.xx denotes dimensions in millimeters 0.635 4.80 5.00 1.35 1.75 5.79 6.19 0.101 0.254 .008 .012 0.203 0.305 3.81 3.99 0.178 0.254 0.38 .008 0.203 .015 x 45 ref detail a detail a .008 0.20 min. guage plane .010 0.254 .041 1.04 ref .016 .035 0.41 0.89 0?-6? .008 .013 0.20 0.33 description: 16-pin 150-mil wide qsop package code: q document control no. pd - 1201 revision: g date: 11/07/07 note: 1) controlling dimensions in inches. 2) ref: jedec mo-137b/ab. 3) dimensions do not include mold flash, protrusions or gate burrs pericom semiconductor corporation 3545 n. 1st street, san jose, ca 95134 1-800-435-2335 ? www.pericom.com ordering information ordering code package code package type pi49fct20802qe q pb-free & green, 16-pin 150-mil wide qsop PI49FCT20802LE l pb-free & green, 16-pin 173-mil wide tssop pi49fct20803le l pb-free & green, 16-pin 173-mil wide tssop 1. termal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. e = pb-free & green 3. adding an x sufx = tape/reel 11-0004
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