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1 11/09/12 features ? ? 1:2 mux/demux for usb 3.0ss, 2.0hs, and 2.0fs signals ? ? switches tx, rx, dx, and usb_id from usb3.0 connector ? ? insertion loss for superspeed channels @ 2.5 ghz: -1.7db ? ? -3db bandwidth for superspeed channels: 4.7ghz ? ? return loss for superspeed channels @ 2.5ghz: -16db ? ? low bit-to-bit skew, 7ps max (between '+' and '-' bits) ? ? low crosstalk for superspeed channels: -25db@5.0 gbps ? ? low of isolation for superspeed channels: -25db@5.0 gbps ? ? v dd operating range: 3.3v +/-10% ? ? esd tolerance: 2kv hbm ? ? low channel-to-channel skew, 35ps max ? ? packaging (pb-free & green): 32 tqfn (zl) description pericom semiconductors pi3usb3102 usb3.0 and usb2.0 com - bo switch is a complete 1:2 switching solution for superspeed usb 3.0 signals. pi3usb3102 provides diferential high-speed lanes for the usb3.0 4.8 gbps tx and rx lanes as well as a difer - ential lane for 480 mbps usb 2.0 signals and the usb_id signal. pi3usb3102 can be used to connect two hosts to a single device or a single host to two devices. pi3usb3102 ofers excellent signal integrity for high-speed sig - nals and low power dissipation. insertion loss is 1.7 db and return loss is -16 db at 2.5 ghz. power dissipation is 6.6 mw maximum. application routing of usb3.0 signals with low signal attenuation between source and sink. block diagram pi3usb3102 usb3.0 and usb2.0 combo switch tx+ tx rx+ rx d+ d- usb_id tx+a tx -a rx+a rx -a tx+b tx-b rx+ b rx-b - - logic control oe d+a d-a usb_id a d+ b d- b usb_id b ss sel hs sel 12-0264
2 11/09/12 pin assignment (tqfn-32) gnd tx- tx+ hs_sel ss_sel rx+ rx- d- d+ rx-a rx+a tx-b tx+b gnd rx-b rx+b oe 1 2 3 4 5 6 7 8 9 10 1 1 27 26 25 24 23 22 21 20 19 18 17 usb_id usb_ida d-a tx+a d+b d-b 12 13 14 15 32 31 30 29 tx-a d+a gnd 16 28 vdd vdd vdd usb_idb vdd vdd vdd oe ss_sel hs_sel function low low low port a actie for all channels low low high port a for ss port b for hs and id low high low port b for ss port a for hs and id low high high port b actie for all channels high x x i/os are hi- and ic is power down truth table pi3usb3102 usb3.0 and 2.0 combo switch 12-0264
3 11/09/12 pin description pin# pin name signal type description 1 tx+ i/o positive diferential usb3.0 tx signal for com port 2 tx- i/o negative diferential usb3.0 tx signal for com port 3 vdd power 3.3v +/-10% power supply 4 rx+ i/o positive diferential usb3.0 rx signal for com port 5 rx- i/o negative diferential usb3.0 rx signal for com port 6 d+ i/o positive diferential usb2.0 signal for com port 7 d- i/o negative diferential usb2.0 signal for com port 8 usb_id i/o usb_id for com port 9 vdd power 3.3v +/-10% power supply 10 ss_sel i switch logic control for superspeed path if high, then path b is selected for superspeed channels only if low, then path a is selected for superspeed channels only 11 oe i output enable. if oe is low, ic is enabled. if oe is high, then ic is power down and all i/os are hi-z 12 vdd power 3.3v +/-10% power supply 13 usb_idb i/o usb_id for port b 14 d-b i/o negative diferential usb2.0 signal for port b 15 d+b i/o positive diferential usb2.0 signal for port b 16 vdd power 3.3v +/-10% power supply 17 usb_ida i/o usb_id for port a 18 d-a i/o negative diferential usb2.0 signal for port a 19 d+a i/o positive diferential usb2.0 signal for port a 20 vdd power 3.3v +/-10% power supply 21 gnd ground ground 22 rx-b i/o negative diferential usb3.0 rx signal for port b 23 rx+b i/o positive diferential usb3.0 rx signal for port b 24 tx-b i/o negative diferential usb3.0 tx signal for port b 25 tx+b i/o positive diferential usb3.0 tx signal for port b 26 rx-a i/o negative diferential usb3.0 rx signal for port a 27 r x+a i/o positive diferential usb3.0 rx signal for port a 28 gnd ground ground 29 vdd power 3.3v +/-10% power supply 30 tx-a i/o negative diferential usb3.0 tx signal for port a 31 tx+a i/o positive diferential usb3.0 tx signal for port a 32 hs_sel i switch logic control for usb2.0 (d+/-) and usb_id path if high, path b is selected if low, path a is selected pi3usb3102 usb3.0 and 2.0 combo switch 12-0264
4 11/09/12 dc electrical characteristics for switching over operating range (ta = C40c to +85c, vdd = 3.3v 10%) parameter description test conditions (1) min ty p (1) max units v ih input high voltage guaranteed high level 1.5 v v il input low voltage guaranteed low level 0.75 v ik clamp diode voltage, dx v dd = max., i in = C18ma C0.8 C1.1 i ih input high current v dd = max., v in = v dd 5 a i il input low current v dd = max., v in = gnd 5 i off_hs/id i/o leakage when part is of for d+, d- and usb_id signals only v dd = 0v, v input = 0v to 3.6v 20 r on_ss on resistance between input to out - put for superspeed signals v dd = 3.3v, vinput = 0v to 1v, i input = 20ma 10 13 ohm r on_fs on resistance between input to out - put for usb2.0 fs signals (d+/d-) v dd = 3.3v, vinput = 0 to 3.3v, i input = 20ma 7 9 ohm r on_hs on resistance between input to out - put for usb2.0 hs signals (d+/d-) v dd = 3.3v, vinput = -0.4v to + 0 .4v, i input = 20ma 4 6 ohm usb_id_i input voltage tolerance on usb_id path 5.5 v usb_id_o output voltage on usb_id path usb_id input from 0v to 5.25v 3.6 v storage temperature .......................................................... C65c to +150c supply voltage to ground potential .................................... C0.5v to +4.2v dc input voltage ..................................................................... C0.5v to v dd dc output current ............................................................................. 120ma power dissipation ................................................................................... 0.5w note: stresses greater than those listed under maxi - mum ratings may cause permanent damage to the device. tis is a stress rating only and functional op - eration 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 maxi - mum rating conditions for extended periods may afect reliability. maximum ratings (above which useful life may be impaired. for user guidelines, not tested.) power supply characteristics (ta = C40c to +85c) parameter description test conditions (1) min ty p (1) max units i cc quiescent power supply current v dd = max., v in = gnd or v dd 2 ma pi3usb3102 usb3.0 and 2.0 combo switch 12-0264
5 11/09/12 dynamic electrical characteristics over operating range (ta = -40o to +85oc, vdd = 3.3v 10%) parameter description test conditions ty p. max units x talk crosstalk on superspeed channels see fig. 1 for measurement setup f= 2.5 ghz -25db db o irr off isolation on superspeed channels see fig. 2 for measurement setup, f= 2.5 ghz -22db i loss diferential insertion loss on superspeed channels @5.0gbps (see fgure 3) -1.7 db r loss diferential return loss on superspeed channels @ 2.5ghz -16 db bw_ss bandwidth -3db for superspeed path (tx/ rx) see fgure 3 4.7 ghz bw_hs -3db bw for usb high speed path (d+/-) see fgure 3 1.5 ghz tsw a-b time it takes to switch from port a to port b 1 us tsw b-a time it takes to switch from port b to port a 1 us tstartup vdd valid to channel enable 10 us twa keup enabling output by changing oe from low to high 10 us 1. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device type. 2. typical values are at v dd = 3.3v, t a = 25c ambient and maximum loading. switching characteristics (t a = -40o to +85oc, v dd = 3 . 3 v10 % ) parameter description min. ty p. max. units t pd propagation delay (input pin to output pin) 80 ps t b-b bit-to-bit skew within the same diferential pair 5 ps t ch-ch channel-to-channel skew 35 ps pi3usb3102 usb3.0 and 2.0 combo switch 12-0264
6 11/09/12 fig 1. crosstalk setup fig 2. of-isolation setup + ? + ? balanced port1 dut + ? 50 50 + ? balanced port2 50 50 + ? + ? balanced port1 balanced port2 dut + ? 50 50 + ? + ? balanced port1 balanced port2 dut fig 3. diferential insertion loss set up pi3usb3102 usb3.0 and 2.0 combo switch 12-0264
7 11/09/12 1.00e+07 1.00e+08 1.00e+09 1.00e+10 frequency (hz) -20.0 -30.0 -40.0 -50.0 -60.0 -70.0 -80.0 -90.0 -100.0 crosstalk (db) fig 4. xtalk for superspeed channels (tx/rx) pi3usb3102 usb3.0 and 2.0 combo switch 12-0264
8 11/09/12 1.00e+07 1.00e+08 1.00e+09 1.00e+10 frequency (hz) -30.0 -40.0 -50.0 -60.0 -70.0 -80.0 off isolation (db) -0.0 -10.0 -20.0 fig 5. of isolation for superspeed channels (tx/rx). red is for path b and blue is for path a pi3usb3102 usb3.0 and 2.0 combo switch 12-0264
9 11/09/12 1.00e+07 1.00e+08 1.00e+09 1.00e+10 frequency (hz) -1.0 -2.0 -3.0 -4.0 -5.0 -6.0 insertion loss (db) -0.0 fig 6. insertion loss for superspeed channels (tx/rx). red is for path b and blue is for path a pi3usb3102 usb3.0 and 2.0 combo switch 12-0264
10 11/09/12 r t 4pf c l v dd v in v out 200-ohm 200-ohm 2 * vdd pulse generator d.u.t test circuit for electrical characteristics(1-5) 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. output 1 is for an output with internal conditions such that the output is low except when disabled by the output control. 4. output 2 is for an output with internal conditions such that the output is high except when disabled by the output control. 5. all input impulses are supplied by generators having the following characteristics: prr mhz, z o = 50?, t r 2.5ns, t f 2.5ns. 6. te outputs are measured one at a time with one transition per measurement. switching waveforms voltage waveforms enable and disable times t plz 50% 50% v dd v oh 0v v ol t phz t pzl t pzh output 1 output 2 v ol v oh sel 10% 90% switch positions test switch t plz , t pzl (output on b-side) 2 * vdd t phz , t pzh (output on b-side) gnd prop delay open test circuit for dynamic electrical characteristics dut agilent pna-l network analyzer balanced port 1 balanced port 2 pi3usb3102 usb3.0 and 2.0 combo switch 12-0264
11 11/09/12 packaging mechanical: 32-contact tqfn (zl) note: for latest package info, please check: http://www.pericom.com/products/packaging/mechanicals.php 1 description: 32-contact, thin fine pitch quad flat no-lead (tqfn) package code: zl (zl32) document control #: pd-2044 revision: a date: 10/09/09 09-0125 ordering information ordering code package code package description PI3USB3102ZLE zl pb-free & green, 32-contact tqfn, copper wire PI3USB3102ZLE+da zl pb-free & green, 32-contact tqfn, gold wire 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 pi3usb3102 usb3.0 and 2.0 combo switch 12-0264

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