1 ps7017h 06/11/09 pi5c3253 dual 4:1 mux/demux bus switch features ? near-zero propagation delay ? 5 switches connect inputs to outputs ? direct bus connection when switches are on ? esd protection up to 2kv hbm ? ultra low quiescent power (0.2 a typical) ? ideally suited for notebook applications ? pin compatible with 74 series 253 logic devices ? packaging (pb-free & green available): ? 16-pin 150-mil wide plastic qsop (q) ? 16-pin 173-mil wide plastic tssop (l) ? 16-pin 150-mil wide plastic soic (w) block diagram truth table (1) enable select ea eb s 1 s 0 ya yb function h x x x hi-z x disable a x h x x x hi-z disable b llllia 0 ib 0 s1-0 = 0 lllhia 1 ib 1 s1-0 = 1 llhlia 2 ib 2 s1-0 = 2 llhhia 3 ib 3 s1-0 = 3 description pericom semiconductor?s pi5c3253 is a dual 4:1 multiplexer/ demultiplexer with three-state outputs that is pinout compatible with the pi74fct253t, 74f253, and 74als/as/ls 253. inputs can be connected to outputs with low on-resistance (5 ) with no additional ground bounce noise or propagation delay. pin con guration pin description pin name description ian, ibn data inputs s0?1 select inputs ea, eb enable ya, yb data outputs gnd ground v cc power note: 1. h = high voltage level, l = low voltage level ea ia 0 ia 1 ia 2 ia 3 ib 0 ib 1 ib 2 ib 3 eb s 0 s 1 ya yb v cc ea 1 eb s 1 2 s 0 ia 3 3 ib 3 ia 2 4 ib 2 ia 1 5 16 ib 1 ia 0 6 15 ib 0 ya 7 14 yb 8 13 12 gnd 11 10 9 09-0120
pi5c3253 dual 4:1 mux/demux bus switch 2 ps7017h 06/11/09 storage temperature ......................................................... ?65c to +150c ambient temperature with power applied ........................ ?40c to +85c supply voltage to ground potential (inputs & v cc only) .. ?0.5v to +7.0v supply voltage to ground potential (outputs & d/o only) ?0.5v to +7.0v dc input voltage ................................................................. ?0.5v to +7.0v dc output current ............................................................................ 120ma power dissipation .................................................................................0.5w note: stresses greater than those listed under max i mum ratings may cause permanent dam age to the device. this is a stress rating only and functional op er a tion of the device at these or any other con di tions above those indicated in the operational sec tions of this speci cation is not implied. exposure to absolute maximum rating condi- tions for extended periods may affect re li abil i ty. dc electrical characteristics (over the operating range, t a = ?40c to +85c, v cc = 5v 5%) parameters de scrip tion 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 ?0.5 0.8 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 impedance output current 0 i n , y n v cc 1 v ik clamp diode voltage v cc = min., i in = ?18ma ?0.7 ?1.2 v i os short circuit current (3) i (y) = 0v, y (i) = v cc 100 ma v h input hysteresis at control pins 150 mv r on switch on-resistance (4) v cc = min., v in = 0.0v, i on = 48ma 5 7 v cc = min., v in = 2.4v, i on = 15ma 10 15 capacitance (t a = 25c, f = 1 mhz) parameters (1) de scrip tion test conditions typ. max. units c in input capacitance v in = 0v 6 pf c off i a /i b capacitance, switch off 6 c on i a /i b capacitance, switch on 24 maximum ratings (above which the useful life may be impaired. for user guidelines, not tested.) notes: 1. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device type. 2. typical values are at v cc = 5.0v, 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 i and y pin at indicated current through the switch. on resistance is determined by the lower of the voltages on the two (i,y) pins. notes: 1. this parameter is determined by device characterization but is not production tested. 09-0120
pi5c3253 dual 4:1 mux/demux bus switch 3 ps7017h 06/11/09 power supply characteristics parameters de scrip tion test conditions (1) min. typ. (2) max. units i cc quiescent power supply current v cc = max. v in = gnd or v cc 0.1 3.0 a ? i cc supply current per input @ ttl high v cc = max. v in = 3.4v (3) 2.5 ma i ccd supply current per input per mhz (4) v cc = max., i and y pins open e x = gnd control input toggling 50% duty cycle 0.25 ma/ mhz notes: 1. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device. 2. typical values are at v cc = 5.0v, +25c ambient. 3. per ttl driven input (v in = 3.4v, control inputs only); i and y pins do not contribute to i cc . 4. this current applies to the control inputs only and represent the current required to switch internal capacitance at the spe ci ed frequency. the i and y inputs generate no signi cant ac or dc currents as they transition. this parameter is not tested, but is guaranteed by design. notes: 1. see test circuit and waveforms. 2. this parameter is guaranteed but not tested on propagation delays. 3. the bus switch contributes no propagational delay other than the rc delay of the on-resistance of the switch and the load ca pacitance. the time constant for the switch alone is of the order of 0.25ns for 50pf load. since this time constant is much smaller than the r ise/fall times of typical driving signals, it adds very little propagational delay to the system. propagational delay of the bus switch when use d 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. switching characteristics over operating range param- eters de scrip tion conditions (1) com. units min. max. t iy propagation delay (2,3) in to yn c l = 50pf r l = 500 0.25 ns t sy bus select time, sn to yn 0.5 6.6 t pzh t pzl bus enable time, en to yn 0.5 6.0 t phz t plz bus disable time, en to yn 0.5 6.0 09-0120
pi5c3253 dual 4:1 mux/demux bus switch 4 ps7017h 06/11/09 test circuit switch position enable disable 1.6v control input output normally low output normally high t pzl t pzh switch switch gnd 3v 1.5v 1.5v 0v t plz t pzh 0.3v 0.3v 3v 1.5v 0v 3v v ol v oh 0v 1. input control enable = low input control device = high 2. pulse generator total pulses rate 1.0 mhz; z out 50-ohms; t r t f, 2.5ns enable and disable timing diagram same phase input translation output opposite phase input transistion 3v 1.5 v 0v 1.5v 1.5v t plh t phl t plh t phl v o h v ol 1.5 v 3v 1.5v 0v propagation delay diagram test switch disable low closed enable low closed t pd open de nitions: cl = load capacitance (includes jig and probe capacitance) rt = termination resistance (should be equal to zout of the pulse generator) 09-0120
pi5c3253 dual 4:1 mux/demux bus switch 5 ps7017h 06/11/09 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 09-0120
pi5c3253 dual 4:1 mux/demux bus switch 6 ps7017h 06/11/09 packaging mechanical: 16-pin tssop (l) pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com 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 09-0120
pi5c3253 dual 4:1 mux/demux bus switch 7 ps7017h 06/11/09 ordering information ordering code package code package description pi5c3253qe q pb-free & green, 16-pin 150-mil wide qsop pi5c3253le l pb-free & green, 16-pin 173-mil wide tssop pi5c3253we w pb-free & green, 16-pin 150-mil wide soic notes: ? thermal characteristics can be found on the company web site at www.pericom.com/packaging/ ? e = pb-free and green ? adding an x suf x = tape/reel packaging mechanical: 16-pin soic (w) 1 seating plane .050 bsc 1 16 0-8 ? .149 .157 x.xx x.xx denotes dimensions in millimeters 3.78 3.99 .386 .393 9.80 10.00 1.27 .053 .068 1.35 1.75 .2284 .2440 5.80 6.20 .0040 .0098 0.10 0.25 .013 .020 .0155 .0260 0.330 0.508 0.393 0.660 .0075 .0098 0.25 0.50 .0099 .0196 x 45 ? 0.19 0.25 .016 .050 0.41 1.27 ref description: 16-pin, 150-mil wide, soic package code: w document control no. pd - 1004 revision: e date: 03/09/05 notes: 1) controlling dimensions in millimeters. 2) ref: jedec ms-012d/ac pericom semiconductor corporation 3545 n. 1st street, san jose, ca 95134 1-800-435-2335 ? www.pericom.com 09-0120
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