1 ps9069 08/03/09 features ? 2 differential channel, 2:1 mux/demux ? pci express ? 2.0 performance, 5.0gbps ? pinout optimized for placement between two pcie slots ? bi-directional operation ? low bit-to-bit skew, 5ps max ? low crosstalk: -26db@5 ghz ? low off isolation: -20db@5 ghz ? v dd operating range: +3.3v ? esd tolerance: 2kv hbm ? packaging (pb-free & green): ? 28 contact tqfn (zh) description pericom semiconductor?s pi3pcie2215 is a 4 to 2 differential chan- nel multiplexer/demultiplexer switch. the pi3pcie family of switch solutions is fully compliant with pcie ? signals at 5.0gbps. due to its low bit-to-bit skew, high channel-to-channel noise isolation and high bandwidth, this product is ideal for pci express switching. application switch a pci express ? lane output between two pci express lane inputs block diagram pin description (top-side view) pi3pcie2215 3.3v, pci express ? 1-lane, 2:1 mux/demux switch bi- bi+ ai- ai+ aoa- aoa+ aob- aob+ boa- boa+ bob- bob+ sel truth table function sel xiy to xoay l xiy to xoby h ai+ ai- aob+ aob- gnd aoa+ aoa- gnd gnd v dd boa+ boa- se l gnd v dd gnd v dd v dd gnd v dd gnd 1 2 3 4 5 6 7 8 9 10 24 23 22 21 20 19 18 17 16 15 28 27 26 25 11 12 13 14 gnd bi+ bi- bob+ bob- nc v dd v dd 09-0033
2 pi3pcie2215 3.3v, pci express ? , 1-lane, 2:1 mux/demux switch ps9069 08/03/09 signal descriptions pin number pin name type description 1 2 ai+ ai- differential input differential input pair from pcie signal source. signal is passed through to the aoa+, aoa- pin respectively when sel=0. signal is passed through to the aob+, aob- pin respectively when sel = 1. 23 22 aoa+ aoa- differential pass-through input differential analog pass-through output. signal from ai+ and ai- is passed through aoa+ and aoa- respectively when sel=0. 3 4 aob+ aob- differential pass-through input differential analog pass-through output. signal from ai+ and ai- is passed through aoa+ and aoa- respectively when sel=1. 5 6 bi+ bi- differential input differential input pair from pcie signal source. signal is passed through to the boa+, boa- pin respectively when sel=0. signal is passed through to the bob+, bob- pin respectively when sel = 1. 19 18 boa+ boa- differential pass-through input differential analog pass-through output. signal from bi+ and bi- is passed through boa+ and boa- respectively when sel=0. 7 8 bob+ bob- differential pass-through input differential analog pass-through output. signal from bi+ and bi- is passed through bob+ and bob- respectively when sel=1. 11, 13, 15, 21, 24, 26, 28, (center pad) gnd ground input ground 10 nc - no connect - reserved, do not connect 16 sel 3.6v tolerant low-voltage single-ended input sel controls the mux through a ow-through latch. 9, 12, 14, 17, 20, 25, 27 v dd power supply power, 3.3v 10% 09-0033
3 pi3pcie2215 3.3v, pci express ? , 1-lane, 2:1 mux/demux switch ps9069 08/03/09 recommended operating conditions symbol parameter conditions min typ max units v dd 3.3v power supply 3.0 3.3 3.6 v idd total current from v dd 3.3v supply 0 2.5 ma tcase case temperature range for operation within spec. -40 85 celsius electrical characteristics storage temperature ....................................................?65c to +150c supply voltage to ground potential ................................?0.5v to +4.6v dc input voltage .............................................................. ?0.5v to v dd dc output current ....................................................................... 120ma power dissipation ........................................................................... 0.5w note: stresses greater than those listed under max i mum rat ings may cause permanent damage to the de vice. this is a stress rating only and func tion al op er a tion of the device at these or any other conditions above those indicated in the operational sections of this spec i ca tion is not implied. expo- sure to absolute max i mum rating con di tions for extended periods may affect re li abil i ty. maximum ratings (above which useful life may be impaired. for user guide lines, not tested.) dc electrical characteristics (t a = ?40c to +85c, v dd = 3.3v 10%) parameter description test conditions min typ (1) max units v ih-sel (2) input high level, sel input 2.0 3.6 v v il-sel (2) input low level, sel input 0 0.8 v i in_sel (2) input leakage current, sel input measured with input at v ih-sel max and v il-sel min ?10 10 a r on on resistance v dd = min., v in = 1.3v, i in = 40ma 12 ohm c on on channel capacitance v in = 0, v dd = 3.3v 2.0 pf note: 1. typical values are at v dd = 3.3v, t a = 25c ambient and maximum loading. dynamic electrical characteristics for xi, xoy parameter description test conditions min. typ. (1) max. units ddil differential insertion loss f=1.2ghz f=2.5ghz f=5.0ghz f=7.5ghz -1.5 -2.0 -5.0 -9.0 db ddil off differential off isolation f= 0 to 3.0ghz -20.0 ddrl differential return loss f= 0 to 2.8ghz f= 2.8 to 5.0ghz f= 5.0 to 7.5ghz -14.0 -8.0 -4.0 ddnext near end crosstalk f= 0 to 2.5ghz f= 2.5 to 5.0ghz f= 5.0 to 7.5ghz -32.0 -26.0 -20.0 09-0033
4 pi3pcie2215 3.3v, pci express ? , 1-lane, 2:1 mux/demux switch ps9069 08/03/09 switching characteristics (t a = -40o to +85oc, v dd = 3.3v10%) parameter description test conditions min. typ. max. units t pzh , t pzl line enable time - sel to xi+/-, xoy+/- see "test circuit for electrical characteristics" 0.5 12.0 ns t phz , t plz line disable time - sel to xi+/-, xoy+/- see "test circuit for electrical characteristics" 0.5 12.0 ns t b-b bit-to-bit skew within the same differential pair see "test circuit for electrical characteristics" 7ps t ch-ch channel-to-channel skew see "test circuit for electrical characteristics" 35 ps 5.0 gbps receive eye mask (-3.5db) 09-0033
5 pi3pcie2215 3.3v, pci express ? , 1-lane, 2:1 mux/demux switch ps9069 08/03/09 differential insertion loss differential return loss 09-0033
6 pi3pcie2215 3.3v, pci express ? , 1-lane, 2:1 mux/demux switch ps9069 08/03/09 differential off isolation differential crosstalk 09-0033
7 pi3pcie2215 3.3v, pci express ? , 1-lane, 2:1 mux/demux switch ps9069 08/03/09 test circuit test circuit test circuit 09-0033
8 pi3pcie2215 3.3v, pci express ? , 1-lane, 2:1 mux/demux switch ps9069 08/03/09 switch positions test switch t plz , t pzl 2 x v dd t phz , t pzh gnd prop delay open switching waveforms voltage waveforms enable and disable times t plz v dd /2 v dd /2 v dd v oh 0v v ol v dd/2 v dd/2 t phz t pzl t pzh output 1 output 2 v ol v oh sel v ol + 0.15v v oh ? 0.15v r t 4pf c l v dd v in v out 200-ohm 200-ohm 2 x v dd 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. output 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. 09-0033
9 pi3pcie2215 3.3v, pci express ? , 1-lane, 2:1 mux/demux switch ps9069 08/03/09 differential inputs/output characteristics for gen2 speeds symbol parameter min nom max units comments tbit unit interval 199.94 200.00 200.06 ps de ned by gen2 spec. v rx-diffp-p differential input peak to peak voltage tbd 1.200 v vrx-diffp-p = 2*|vrx- d+ - vrx-d-|. applies to in_s and rx_in signals. t rx-eye minimum eye width at in_d input pair. tbd tbit v cm-ac-pp ac peak common- mode input voltage 100 mv vcm-ac-pp = |vrx-d+ + vrx-d-|/2 - vrx-cm- dc. vrx-cm-dc = dc(avg) of |vrx-d++vrx-d-|/2 vcm-ac-pp includes all frequencies above 30khz. z rx-diff-dc dc differential input impedance 80 100 120 ?? rx dc differential mode impedance z rx-dc dc input impedance 40 50 60 ? required in_d+ as well as in_d- dc impedance (50 ??+/- 20% tolerance). includes mux resistance. v rx-bias rx input termination voltage 0 2.0 v intended to limit power- up stress on pcie output buffers. applications information 09-0033
10 pi3pcie2215 3.3v, pci express ? , 1-lane, 2:1 mux/demux switch ps9069 08/03/09 package mechanical: 28-contact tqfn (zh) pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com ordering information ordering code package code package type PI3PCIE2215ZHE zh pb-free & green, 28-contact tqfn notes: ? thermal 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 description: 28-contact, very thin quad flat no-lead, tqfn package code: zh28 document control #: pd-2034 revision: b date: 01/26/09 09-0066 09-0033
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