datasheet buffer/clock driver mk3807-01 idt? / ics? buffer/clock driver 1 mk3807-01 rev d 060407 description the mk3807-01 is a low skew 3.3 v, 1 to 10 fanout buffer. the large fanout from a single input line reduces loading on the input clock. the ttl level outputs reduce noise levels on the part. typical applications are clock and signal distribution. features ? packaged in 20-pin ssop ? available in pb (lead) free package ? 1 to 10 fanout buffer ? maximum skew between outputs of same package 0.35 ns ? maximum skew between outputs of different packages 0.75 ns ? max propagation delay of 3.8 ns ? operating voltage of 3.3 v ? advanced, low power, cmos process ? industrial temperature range -40 c to +85 c ? hysteresis on all inputs block diagram in clk1 clk2 clk3 clk4 clk5 clk6 clk7 clk8 clk9 clk10
mk3807-01 buffer/clock driver fan out buffer idt? / ics? buffer/clock driver 2 mk3807-01 rev d 060407 pin assignment pin descriptions 13 4 12 5 11 clk2 8 9 10 clk8 vdd gnd clk5 clk4 clk6 17 16 gnd 3 clk1 vdd gnd 18 clk9 1 in gnd clk10 20 vdd 19 14 2 7 gnd clk3 vdd clk7 15 6 20 pin soic, ssop, tssop pin number pin name pin type pin description 1 in input clock input. 2 gnd power connect to ground. 3 clk1 output clock output. 4 vdd power connect to +3.3 v. 5 clk2 output clock output. 6 gnd power connect to ground. 7 clk3 output clock output. 8 vdd power connect to +3.3 v. 9 clk4 output clock output. 10 gnd power connect to ground. 11 clk5 output clock output. 12 clk6 output clock output. 13 gnd power connect to ground. 14 clk7 output clock output. 15 vdd power connect to +3.3 v. 16 clk8 output clock output. 17 gnd power connect to ground. 18 clk9 output clock output. 19 clk10 output clock output. 20 vdd power connect to +3.3 v.
mk3807-01 buffer/clock driver fan out buffer idt? / ics? buffer/clock driver 3 mk3807-01 rev d 060407 external components the mk3807-01 requires a minimum number of external components for proper operation. decoupling capacitors decoupling capacitors of 0.01f must be connected between vdd and gnd, as close to these pins as possible. for optimum device performance, the decoupling capacitors should be mounted on the component side of the pcb. avoid the use of vias in the decoupling circuit. series termination resistor when the pcb trace between the clock outputs and the loads are over 1 inch, series termination should be used. to series terminate a 50 ? trace (a commonly used trace impedance) place a 33 ? resistor in series with the clock line, as close to the clock output pin as possible. the nominal impedance of the clock output is 20 ? . pcb layout recommendations for optimum device performance and lowest output phase noise, the following guidelines should be observed. 1) the 0.01f decoupling capacitors should be mounted on the component side of the board as close to the vdd pins as possible. no vias should be used between the decoupling capacitors and vdd pins. the pcb trace to vdd pin should be kept as short as possible, as should the pcb trace to the ground via. 2) to minimize emi, the 33 ? series termination resistor, (if needed) should be placed close to the clock output. absolute maximum ratings stresses above the ratings listed below can cause permanent damage to the mk3807-01. these ratings, which are standard values for idt commercially rated parts, are stress ratings only. functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. exposure to absolute maximum rating conditions for exte nded periods can affect product reliability. electrical parameters are guaranteed only over the recommended operating temperature range. recommended operation conditions item rating supply voltage, vdd 7 v all inputs and outputs -0.5 v to vdd+0.5 v ambient operating temperature -40 to +85 c storage temperature -65 to +150 c junction temperature 125 c soldering temperature 260 c parameter min. typ. max. units ambient operating temperature -40 +85 c power supply voltage (measured in respect to gnd) +3.135 +3.3 +3.465 v
mk3807-01 buffer/clock driver fan out buffer idt? / ics? buffer/clock driver 4 mk3807-01 rev d 060407 dc electrical characteristics unless stated otherwise, vdd = 3.3 v 5% , ambient temperature -40 c to +85 c note1: this parameter is not tested. parameter symbol conditions min. typ. max. units operating voltage vdd 3.135 3.3 3.465 v quiescent power supply current icc vcc=max vin=gnd or vcc 330a vcc=max vin=@ttl high (vcc-0.6 v) 2.0 300 a input high voltage v ih high level input pins 2 5.5 v input low voltage v il low level input pins -0.5 0.8 v output high voltage v oh vcc=min vin=vih or vil i oh = -0.1 ma, i oh = -8 ma vdd-0.2 2.4 3.0 v output low voltage v ol vcc=min vin=vih or vil i ol = -0.1 ma, io l =16 ma io l =24 ma 0.2 0.4 0.5 v short circuit current i os vcc=max, v out =gnd -60 -135 -240 ma input capacitance cin vin=0v, note1 5 6.0 pf output capacitance cout v out =0v, note1 5.5 8.0 pf input hysteresis vh 150 mv
mk3807-01 buffer/clock driver fan out buffer idt? / ics? buffer/clock driver 5 mk3807-01 rev d 060407 ac electrical characteristics unless stated otherwise, vdd = 3.3 v 5% , ambient temperature -40 c to +85 c parameter symbol conditions min. typ. max. units skew between outputs of same package tsk 9=(0) cl=50 pf, rl=500 ? 0.35 ns skew between opposite transitions of same output tsk (p) cl=50 pf, rl=500 ? 0.35 ns propagation delay in to on tplh/tphl cl=50 pf, rl=500 ? 1.5 3.8 ns skew between outputs of different package at same power supply, temperature and speed grade tsk (t) cl=50 pf, rl=500 ? 0.75 ns output rise time 0.8 v to 2.0 v tr (o) cl=50 pf, rl=500 ? 1.5 ns output fall time 2.0 v to 0.8 v tf (o) cl=50 pf, rl=500 ? 1.5 ns duty cycle measured at vdd/2 dc cl=50 pf, rl=500 ? 45 55 % test frequency 1 100 mhz
mk3807-01 buffer/clock driver fan out buffer idt? / ics? buffer/clock driver 6 mk3807-01 rev d 060407 package outline and package dimensions (20-pin ssop, 150mil. body) package dimensions are kept current with jedec publication no. 95 ordering information parts that are ordered with a ?lf? suffix to the part nu mber are the pb-free configur ation and are rohs compliant. while the information presented herein has been checked for both accuracy and reliability, integrated device technology (idt) a ssumes no responsibility for either its use or for the infringement of any paten ts or other rights of third parties, which would resul t from its use. no other circuits, patents, or licenses are im plied. this product is intended for use in normal commercial applications. any other applications such as those requiring extended temperature range, high reliab ility, or other extraordinary environmental requirements are not recommended without additional processing by idt. idt reserves th e right to change any circuitry or specifications without noti ce. idt does not authorize or warrant any idt product for use in life support devices or critical medical instruments. part / order number marking shipping packaging package temperature mk3807-01ri mk3807-01ri tubes 20-pin ssop -40 to +85 c mk3807-01ritr mk3807-01ri tape and reel 20-pin ssop -40 to +85 c mk3807-01rilf 3807-01rilf tubes 20-pin ssop -40 to +85 c MK3807-01RILFTR 3807-01rilf tape and reel 20-pin ssop -40 to +85 c index area 1 2 20 d e1 e seating plane a 1 a a 2 e - c - b .10 (.004) c c l *for reference only. cont rolling dimensions in mm. millimeters inches* symbol min max min max a 1.351.75.053.069 a1 0.10 0.25 .0040 .010 a2 -- 1.50 -- .059 b 0.20 0.30 0.008 0.012 c 0.180.25.007.010 d 8.558.75.337.344 e 5.806.20.228.244 e1 3.80 4.00 .150 .157 e 0.635 basic 0.025 basic l 0.401.27.016.050 0 8 0 8
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