1 ps8727a 07/07/04 features ? near-zero propagation delay ? 5? switches connect inputs to outputs ? high signal passing bandwidth (500 mhz) ? beyond rail-to-rail switching ? 5v i/o tolerant with 3.3v supply in off and on state ? 2.5v and 3.3v supply voltage operation ? hot insertion capable ? industrial operating temperature: -40oc to +85oc ? 2kv esd protection (human body model) ? latch-up performance > 250ma per jesd17 ? packaging (pb-free & green available): C 16-pin 150-mil wide plastic qsop (q) C 16-pin 173-mil wide plastic tssop (l) C 20-contact tqfn (zh) low voltage, high-bandwidth, 3-channel 2:1 mux/demux, nanoswitch ? description pericom semiconductors pi3ch series of switch circuits are produced using the companys advanced sub-micron cmos technology, achieving industry leading performance. the PI3CH360 is a 3-channel, 2:1 multiplexer/demultiplexer with 3-state outputs. the switch introduces no additional ground bounce noise or propagation delay. the PI3CH360 device is very useful in switching signals that have high bandwidth (500mhz). PI3CH360 pin confguration ? ? ? ? ? ?? ? ?? ? ?? ? ?? ?? ?? ?? ? ? ???? ???? ?? ?? ?? ???? ??? ??? ?? ??? ??? ??? ??? ??? ??? ?????? ??? ? ?? ?? ??? ??? ?? ? ??? ??? ??? ? ?? ?? ?? ?? ?? ?? ??? ?? ?? ?? ? ?? ??? ?? ?? ?? ?? ?? ?? ?? ? ? ? ?? ?? ? ? ? ? ? ? ? ? ?????????? ?? notes: 1. n.c. = no internal connection pin description pin name description ian to icn data inputs s select inputs en enable ya to yc data outputs gnd ground v cc power truth table (1) en s ya yb yc function h x hi-z hi-z hi-z disable l l ia0 ib0 ic0 s=0 l h ia1 ib1 ic1 s=1 notes: 1. h=high voltage level l=low voltage level block diagram ia 0 en s ia 1 ib 0 ib 1 ic 0 ic 1 ya yb yc
2 ps8727a 07/07/04 PI3CH360 low voltage, high-bandwidth, 3-channel, 2:1 mux/demux, nanoswitch ? storage temperature ................................................ C65c to +150c ambient temperature with power applied ............... C40c to +85c supply voltage to ground potential ........................... C0.5v to +4.6v dc input voltage ........................................................ C0.5v to +6.0v dc output current ............................................................... .... 120ma power dissipation ............................................................... ........ 0.5w note: stresses greater than those listed under maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specifcation is not implied. exposure to absolute maximum rating conditions for extended periods may affect re - liability. maximum ratings (above which the useful life may be impaired. for user guidelines, not tested.) dc electrical characteristics, 3.3v supply (over operating range, t a = C40c to +85c, v cc = 3.3v 10%) parameters description test conditions (1) min. typ. (2) max. units v ih input high voltage guaranteed logic high level 2.0 v v il input low voltage guaranteed logic low level C0.5 0.8 v ik clamp diode voltage v cc = min., i in = C18ma C1.3 C1.8 i ih input high current v cc = max., v in = v cc 1 a i il input low current v cc = max., v in = gnd 1 i ozh high-impedence current (3) 0 y, in v cc 1 r on switch on-resistance (4) v cc = min.,v in = 0.0v i on = C48ma or C64ma 4 6 ? v cc = min., v in = 3.6v, i on = C15ma 5 8 dc electrical characteristics, 2.5v supply (over operating range, t a = C40c to +85c, v cc = 2.5v 10%) parameters (5) description test conditions min. typ. max. units v ih input high voltage guaranteed logic high level 1.8 C v cc + 0.3 v v il inout low voltage guaranteed logic low level C0.3 C 0.8 v ik clamp diode voltage v cc = max., i in = C6ma C C0.7 C1.8 i ih input high current v cc = max., v in = v cc C C 1 a i il input low current v cc = max., v in = gnd C C 1 i ozh high impedance current (3) 0 y, in v cc C C 1 r on switch on-resistance (4) v cc = min., v in =0.0v, i on = C48ma C 6 8 ? v cc = min., v in = 2.25v, i on = -15ma C 7 14
3 ps8727a 07/07/04 PI3CH360 low voltage, high-bandwidth, 3-channel, 2:1 mux/demux, nanoswitch ? notes: 1. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device. 2. typical values are at v cc = 3.3v, +25c ambient. notes: 1. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device type. 2. typical values are at v cc = 3.3v, t a = 25c ambient and maximum loading. 3. not more than one output should be shorted at one time. duration of the test should not exceed one second. 4. measured by the voltage drop between y and in pin at indicated current through the switch. on resistance is determined by the lower of the voltages on the two (y, in) pins. 5. this parameter is determined by device characterization but is not production tested. capacitance (t a = 25c f = 1 mhz) parameters (5) description test conditions typ. units c in input capacitance v in = 0v 3.0 pf c off(in) in capacitance, switch off 3.5 c off(y) y capacitance, switch off 7.0 c on y/in capacitance, switch on 10.0 power supply characteristics parameters description test conditions (1) min. typ. (2) max. units i cc quiescent power supply current v cc = 3.6v, v in = gnd or v cc 0.8 ma
4 ps8727a 07/07/04 PI3CH360 low voltage, high-bandwidth, 3-channel, 2:1 mux/demux, nanoswitch ? switching characteristics over 2.5v operating range parameters description conditions (1) com. units min. max. t plh t phl propogation delay (2,3) y to in, in to y see test diagram 0.3 ns t pzh t pzl enable time s or en to y or in see test diagram 1.5 15.0 t phz t plz disable time s or en to y or in 1.5 12.0 switching characteristics over 3.3v operating range parameters description conditions (1) com. units min. typ. max. t plh t phl propogation delay (2,3) y to in, in to y see test diagram 0.3 ns t pzh t pzl enable time s or en to y or in see test diagram 1.5 9.0 t phz t plz disable time s or en to y or in 1.5 9.0 notes: 1. see test circuit and waveforms. 2. this parameter is guaranteed but not tested on propagation delays. 3. the switch contributes no propagational delay other than the rc delay of the on-resistance of the switch and the load capacitance. the time constant for the switch alone is of the order of 0.30ns for 10pf load. since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. propagational delay of the switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side. dynamic electrical characteristics over the operating range (t a = -40o to +85o, v cc = 3.3v 10%) parameter description test condition min. typ. max. units x talk crosstalk see test diagram -60 db o irr off-isolation see test diagram -60 bw -3db bandwidth see test diagram 200 500 mhz
5 ps8727a 07/07/04 PI3CH360 low voltage, high-bandwidth, 3-channel, 2:1 mux/demux, nanoswitch ? test circuit for electrical characteristics (1) notes: 1. c l = load capacitance: includes jig and probe capacitance. 2. r t = termination resistance: should be equal to z out of the pulse generator 3. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. 4. all input impulses are supplied by generators having the following characteristics: prr mhz, z o = 50 ? , t r 2.5ns, t f 2.5ns. 5. the outputs are measured one at a time with one transition per measurement. test circuit for dynamic electrical characteristics r t 10pf c l v cc v in v out 200 ? 200 ? 6.0v pulse generator d.u.t v cc d.u. t t1 r1 s1 hp11667a 50 ? 10 pf hp4195a switch positions test switch t plz , t pzl 6.0v t phz , t pzh gnd prop delay open
6 ps8727a 07/07/04 PI3CH360 low voltage, high-bandwidth, 3-channel, 2:1 mux/demux, nanoswitch ? switching waveforms pulse skew - t sk(p) voltage waveforms enable and disable times input t plh 2.5v 2.5v 2.5v 2.5v t phl 3.5v 1.5v output v oh v ol t plz 1.25v 1.25v 2.5v v oh 0v v dd/2 v dd/2 t phz t pzl t pzh output output v ol +0.3v v ol v oh v oh -0.3v enx v ol input output t plh t sk(p) = i t phl C t plh i t phl 3.5v 2.5v 2.5v v ol v oh 1.5v
7 ps8727a 07/07/04 PI3CH360 low voltage, high-bandwidth, 3-channel, 2:1 mux/demux, nanoswitch ? applications information logic inputs the logic control inputs can be driven upto 3.6vregardless of the supply voltage. for example, given a +3.3v supply, en maybe driven low to 0v and high to 3.6v. driving en rail-to-rail ? minimizes power consumption. power supply-sequencing proper power supply sequencing is recommended for all cmos devices. always apply v cc before applying signals to the input/ output or control pins. hot insertion for datacom and telecom applications that have ten or more volts passing through the backplane, a high voltage from the power supply may be seen at the device input pins during hot insertion. the pi3chxx devices have maximum limits of 6v and 120ma for 20ns. if the power is higher or applied for a longer time or repeatedly reaches the maximum limits, the devices can be damaged. packaging mechanical: 16-pin qsop (q) .189 .197 .053 .069 .004 .010 seating plane .025 bsc .007 .010 .228 .244 1 16 .150 .157 .016 .050 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 0.41 1.27 .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
8 ps8727a 07/07/04 PI3CH360 low voltage, high-bandwidth, 3-channel, 2:1 mux/demux, nanoswitch ? packaging mechanical: 16-pin tssop (l) .193 .201 .047 max. .002 .006 seating plane .0256 bsc .018 .030 .004 .008 .252 bsc 1 16 .169 .177 x.xx x.xx denotes controlling dimensions in millimeters 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 packaging mechanical: 20-contact tqfn (zh) 1.50 ref . 0.400.10 0.50 typ . (14x) 0.250.05 c 0.35 2.050.10 3.050.10 3.500.10 4.500.10 (s) 3.50 ref . 0.20 ref . 0.0-0.05 pin 1 pin 20 0.750.05
9 ps8727a 07/07/04 PI3CH360 low voltage, high-bandwidth, 3-channel, 2:1 mux/demux, nanoswitch ? ordering information ordering code packaging code package description PI3CH360q q 150-mil, 16-pin qsop PI3CH360qe q pb-free & green, 150-mil, 16-pin qsop PI3CH360l l 173-mil, 16-pin tssop PI3CH360le l pb-free & green, 173-mil, 16-pin tssop PI3CH360zhe zh pb-free & green, 20-contact tqfn notes: 1. thermal characteristics can be found on the company web site at www .pericom.com/packaging/ 2. number of transistors = tbd pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com
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