1 pi3dbs3224 pin configuration block diagram description te pi3dbs3224 is a 2:4 bidirectional multiplexer for high- speed diferential and single ended signal applications (up to 720 mbps). te pi3dbs3224 can be used in a 1:4 or dual 1:2 multiplexer/demultiplexer confguration. te pi3dbs3224 of- fers a high bw of 1.2 ghz with channel ron of 13 (typ). te pi3dbs3224 can also be used to fan out a diferential or single ended signal pair to two ports simultaneously (fan-out confguration). te bw performance is lower in this confgura- tion. te pi3dbs3224 operates with a 3 to 3.6v power supply. it features esd protection of up to 8-kv contact discharge and 2-kv human body model on its i/o pins. te pi3dbs3224 provides fail-safe protection by isolating the i/o pins with high impedance when the power supply (v cc ) is not present. features ?? 2:4 diferential multiplexer/demultiplexer ?? bidirectional operation ?? can be used in s ingle 1:4 confguration d ual 1:2 confguration f an out 1:2 confguration ?? high bw (1.2 ghz typ) ?? low ron and con: 1 3 ron typ 9 p f con typ ?? esd performance (i/o pins) 8-kv contact discharge (iec61000-4-2) 2- kv human body model per jesd22-a114e (to gnd) ?? esd performance (all pins) 2- kv human body model per jesd22-a114e ?? small qfn package (3 x 3 mm, 0.4 mm pitch) applications ?? desktop/notebooks computers ?? displayport auxiliary channel multiplexing ?? usb 2.0 multiplexing ?? netbooks/ebooks/tablets 3.3v high speed 2 : 4 differential mux/demux 1 1 1 1 0 0 0 0 outa1 outa0 sao sai sbi sbo outb1 outb0 ena ina inb enb sao 15 sai vcc sbi sbo enb outb0- outb0+ outb1- outb1+ ena outa0- outa0+ outa1- outa1+ ina+ ina- inb+ inb- gnd 16 20 1 5 6 10 11 www.pericom.com 04/28/14 14-0061
2 pin description pin # pin name i /o ty pe description 14 sai input control input 15 sao input control input 12 sbi input control input 11 sbo input control input 16 ena input enable 1 ina+ i/o input a 2 ina- i/o input a 10 enb input enable 3 inb+ i/o input b 4 inb- i/o input b 9 outb0- i/o output b0 8 outb0+ i/o output b0 7 outb1- i/o output b1 6 outb1+ i/o output b1 5 gnd ground ground 13 vcc power power supply 17 outa0- i/o output a0 18 outa0+ i/o output a0 19 outa1- i/o output a1 20 outa1+ i/o output a1 www.pericom.com 04/28/14 pi3dbs3224 3.3v high speed 2:4 diferential mux/demux 14-0061
3 function table ena, enb outa0 outa1 outb0 outb1 00 hi-z hi-z hi-z hi-z 01 hi-z hi-z - - 10 - - hi-z hi-z 11 - - - - sai, sao, sbi, sbo outa0 outa1 outb0 outb1 0000 inb - ina - 0001 inb - - ina 0010 inb - inb - 0011 inb - - inb 0100 - inb ina - 0101 - inb - ina 0110 - inb inb - 0111 - inb - inb 1000 ina - ina - 1001 ina - - ina 1010 ina - inb - 1011 ina - - inb 1100 - ina ina - 1101 - ina - ina 1110 - ina inb - 1111 - ina - inb www.pericom.com 04/28/14 pi3dbs3224 3.3v high speed 2:4 diferential mux/demux 14-0061
4 dc electrical characteristics over operating range for single 1:4 or dual 1:2 confgurations. t a = -40 o c to 85 o c, typical values are at vcc = 3.3v, t a = 25 o c (unless otherwise noted) symbol parameter tet condition in ty p ax unit v ik digital input clamp voltage v cc = 3.6 v, i i = -18 ma -1.2 -0.9 v i in digital input leakage current v cc = 3.6 v, v in =0 to 3.6 v 2 a i oz (3) v cc = 3.6 v, v o = 0 v to 3.6 v, v i = 0 v, switch off 2 a i off power off leakage current v cc = 0 v, v in = v cc or gnd, v i/o = 0 v to 3.6 v 8 a i cc supply current v cc = 3.6 v, i i/o = 0, switch on or off 70 130 a c in digital input capacitance v cc = 3.3 v, v in = v cc or gnd 3 5 pf c i/o(off) off capacitance v cc = 3.3 v, v i/o = 3.3v or 0, f = 10mh z , switch off 6 7 pf c i/o(on) on capacitance v cc = 3.3 v, v i/o = 3.3v or 0, f = 10mh z , switch on 9 10 pf r on on state resistance v cc = 3.6 v, v i = v cc , i o = -30 ma 13 19 v cc = 3.3 v, v i = 0.5 v, i o = -30 ma 10 ?r on on state resistance match be - tween channel v cc = 3 v, v i = 0 to v cc , i o = -30 ma 2 2.5 r on(fat) on state resistance fatness v cc = 3 v, v i = 1.5 v and v cc , i o = -30 ma 4 6 1. v in and i in refer to control inputs. v i , v o , i i and i o refer to data pins. 2. all typical values are at v cc = 3.3v (unless otherwise noted), t a = 25 o c. 3. for i/o ports, the parameter i oz includes the input leakage current. (above which useful life may be impaired. for user guidelines, not tested.) note: stresses greater than those listed under maximum ratings may cause permanent damage to the device. tis 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 afect reliability. storage temperature .............................................. - 65oc to+155oc supply voltage to ground potential ....................... -0.3v to+4.0v d c input voltage ...................................................... -0.3v to+4.3v dc output current .............................................................. 120ma power dissipation .................................................................... 0.5w www.pericom.com 04/28/14 pi3dbs3224 3.3v high speed 2:4 diferential mux/demux 14-0061
5 dynamic characteristics for single 1:4 or dual 1:2 confgurations. t a = -40 o c to 85 o c, typical values are at vcc = 3.3v 10% and t a = 25 o c (unless otherwise noted) bw bandwidth r l = 50 , switch on 1.2 gh z o iso o ff isolation r l = 50 , f = 250 mh z -30 db x talk crosstalk r l = 50 , f = 250 mh z -35 db switching characteristics for single 1:4 or dual 1:2 confgurations. over operating range, t a = -40 o c to 85 o c, vcc = 3.3v 10%, gnd = 0 v (unless oth- erwise noted) t pd (1) r l = 50 , c l = 2 pf 50 ps t on sai/sao/sbi/sbo to outax/outbx r l = 50 , c l = 2 pf 40 100 ns t off sai/sao/sbi/sbo to outax/outbx r l = 50 , c l = 2 pf 20 30 ns t sk(o) (2) r l = 50 , c l = 2 pf 40 ps t sk(p) (3) r l = 50 , c l = 2 pf 40 ps 1. the propagation delay is the calculated rc time constant of the typical on-state resistance of the switch and the specifed load capacitance when driven by an ideal voltage source (zero output impedance). 2. output skew between center channel and any other channel. 3. skew between opposite transitions of the same output ( |t phl - t plh | ). www.pericom.com 04/28/14 pi3dbs3224 3.3v high speed 2:4 diferential mux/demux 14-0061
6 dc electrical characteristics over operating range for fan-out 1:2 confgurations. t a = -40 o c to 85 o c, typical values are at vcc = 3.3v, t a = 25 o c (unless otherwise noted) v ik digital input clamp voltage v cc = 3.6 v, i i = -18 ma -1.2 -0.9 v i in d igital input leakage current v cc = 3.6 v, v in =0 to 3.6 v 2 a i oz (3) v cc = 3.6 v, v o = 0 v to 3.6 v, v i = 0 v, switch off 2 a i off power off leakage current v cc = 0 v, v in = v cc or gnd, v i/o = 0 v to 3.6 v 8 a i cc su pply current v cc = 3.6 v, i i/o = 0, switch on or off 70 130 a c in digital input capacitance v cc = 3.3 v, v in = v cc or gnd 3 5 pf c i/o(off) off capacitance v cc = 3.3 v, v i/o = 3.3v or 0, f = 10mh z , switch off 6 7 pf c i/o(on) on capacitance v cc = 3.3 v, v i/o = 3.3v or 0, f = 10mh z , switch on 12 13 pf r on on state resistance v cc = 3.6 v, v i = v cc , i o = -30 ma 13 19 ?r on on state resistance match between channel v cc = 3 v, v i = 0 to v cc , i o = -30 ma 2 2.5 r on(fat) on state resistance fatness v cc = 3 v, v i = 1.5 v and v cc , i o = -30 ma 4 6 1. v in and i in refer to control inputs. v i , v o , i i and i o refer to data pins. 2. all typical values are at v cc = 3.3v (unless otherwise noted), t a = 25 o c. 3. for i/o ports, the parameter i oz includes the input leakage current. dynamic characteristics for fan-out 1:2 confgurations. t a = -40 o c to 85 o c, typical values are at vcc = 3.3v 10% and t a = 25 o c (unless otherwise noted) symbol parameter tet condition ty p unit bw bandwidth r l = 50 , switch on 500 mh z o iso o ff isolation r l = 50 , f = 250 mh z -30 db x talk crosstalk r l = 50 , f = 250 mh z -35 db www.pericom.com 04/28/14 pi3dbs3224 3.3v high speed 2:4 diferential mux/demux 14-0061
7 switching characteristics for fan-out 1:2 confguration. over operating range, t a = -40 o c to 85 o c, vcc = 3.3v 10%, gnd = 0 v (unless otherwise noted) t pd (1) r l = 50 , c l = 2 pf 140 ps t on sai/sao/sbi/sbo to outax/outbx r = 50 , c l = 2 pf 40 100 ns t off sai/sao/sbi/sbo to outax/outbx r ll = 50 , c l = 2 pf 20 30 ns t sk(o) (2) r l = 50 , c l = 2 pf 60 ps t sk(p) (3) r l = 50 , c l = 2 pf 60 ps 1. the propagation delay is the calculated rc time constant of the typical on-state resistance of the switch and the specifed load capacitance when driven by an ideal voltage source (zero output impedance). 2. output skew between center channel and any other channel. 3. skew between opposite transitions of the same output ( |t phl - t plh | ). dc electrical characteristics over operating range t a = -40 o c to 85 o c, typical values are at vcc = 3.3v, t = 25 o c symbol parameter tet condition in ty p ax unit v io analog i/o voltage 0 v cc v v ih high level input control voltage enx, sax, sbx pins 0.75v cc v cc v v il low level input control voltage enx, sax, sbx pins 0 0.6 v v cc supply voltage 3.0 3.6 v www.pericom.com 04/28/14 pi3dbs3224 3.3v high speed 2:4 diferential mux/demux 14-0061
8 input generator v cc input generator 2 x v cc open gnd s 1 r l c l (see note 1) dut v in v i v o 50 v g1 v g2 r l 50 50 test circuit for electrical characteristics test v cc s1 r l v in c l v ? t plz /t pzl 3.3 v 0.3 v 2 x v cc 50 gnd 2 pf 0.3 v t phz /t pzh 3.3 v 0.3 v gnd 50 v cc 2pf 0.3 v v cc v o output control v o 0 v v oh v ol v oh v ol v sel (v in ) output waveform 1 s1 at 2 x v cc (see note 2) output waveform 2 s1 at gnd (see note 2) t pzl t pzl t pzh t pzh v cc /2 v cc /2 v cc /2 v cc /2 v ol + 0.3 v v oh - 0.3 v voltage waveforms enable and disable time notes: 1. c l includes probe and jig capacitance. 2. w aveform 1 is for an output with internal conditions such that the output is low , except when disabled by the output control. w aveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control. 3. all input pulses are supplied by generators having the following characteristics: prr 10 mh z , zo = 50 , t r 2.5 ns. t f 2.5 ns. 4. the outputs are measured one at a time, with one transition per measurement. 5. t plz and t phz are the same as t off . 6. t pzl and t pzh are the same as t on . www.pericom.com 04/28/14 pi3dbs3224 3.3v high speed 2:4 diferential mux/demux 14-0061
9 test circuit for electrical characteristics 3.0 v 1.5 v 0 v v oh (v oh + v ol )/2 v ol output input t plh t phl t sk(p) = t phl - t plh voltage waveforms pulse skew [t sk(p) ] vi dara in at ax or ay vo data out at xb 1 or xb 2 data out at yb 1 or yb 2 vo t plhx t sk(o) t plhy 3.0 v 1.5 v 0 v v oh (v oh + v ol )/2 v ol t plhx t sk(o) t plhy v oh (v oh + v ol )/2 v ol t sk(o) = t plhy - t plhx or t phly -t phlx voltage waveforms output skew ( t sk(o) ) input generator v cc input generator 2 x v cc open gnd s 1 r l c l (see note 1) dut v in v i v o 50 v g1 v g2 r l 50 50 test v cc s1 r l v in c l t sk(o) 3.3 v 0.3 v open 50 v cc or gnd 2 pf t sk(p) 3.3 v 0.3 v open 50 v cc or gnd 2pf notes: 1. c l includes probe and jig capacitance. 2. all input pulses are supplied by generators having the following characteristics: prr 10 mh z , zo = 50 , t r 2.5 ns. t f 2.5 ns. 3. the outputs are measured one at a time, with one transition per measurement. www.pericom.com 04/28/14 pi3dbs3224 3.3v high speed 2:4 diferential mux/demux 14-0061
10 ordering information ordering code packaging code package description PI3DBS3224ZNAE zna 20-contact, tin fine pitch quad flat no lead package (tqfn) notes: ? termal characteristics can be found on the company web site at www.pericom.com/packaging/ ? "e" denotes pb-free and green ? adding an "x" at the end of the ordering code denotes tape and reel packaging pericom semiconductor corporation ? 1-800-435-2336 ? www .pericom.com date: 09/19/13 description: 20-contact, thin fine pitch quad flat no lead package (tqfn) package code: zna document control #: pd-2169 revision: -- notes: 1. all dimensions are in mm. angles in degrees. 2. refer jedec mo-220. 3. recommended land pattern is for reference only. 13-0240 packaging mechanical: 20-pin tqfn (zna) www.pericom.com 04/28/14 pi3dbs3224 3.3v high speed 2:4 diferential mux/demux 14-0061
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