1 www.pericom.com 03/26/14 features ? 2 differential channel, 4:1 mux/demux ? pci express ? 2.0 performance, 5.0 gbps ? low bit-to-bit skew, 7ps max. ? low crosstalk: -23db@3ghz ? low off isolation: -23db@3ghz ? v dd operating range: +1.8v 10% ? esd tolerance 2kv hbm on data i/o ? packaging (pb-free & green): C 42 contact tqfn description pericom semiconductors pi2pcie2214 is a 8 to 2 differential channel multiplexer/demultiplexer switch. 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 to 5.0 gbps. application switch a pci express ? lane output between four pci express lane inputs block diagram pin description a0- a0+ a1- a1+ b0- b0+ b1- b1+ c0- c0+ c1- c1+ d0- d0+ d1- d1+ z0- z0+ z1- z1+ decode sb sa sd sc sel0 sel1 sa sb sc sd truth table sel1 sel0 function 0 0 z to a 0 1 z to b 1 0 z to c 1 1 z to d 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 42 41 40 39 18 19 20 21 a0+ a0- a1+ a1- b0+ b0- b1+ b1- v dd c0+ c0- c1+ c1- d0+ d0- d1+ d1- gnd sel0 sel1 v dd gnd gnd z0+ z0- v dd z1+ z1- gnd gnd v dd gnd gnd gnd v dd gnd v dd gnd v dd gnd v dd gnd v ss pi2pcie2214 pci express? 2.0, 1-lane, 4:1 mux/demux switch 14-0033
2 dc electrical characteristics for switching over operating range (t a = C40c to +85c, v dd = 1.8v 10%) parameter description test conditions min. typ. (2) max. units v ih input high voltage guaranteed high level 0.65 x v dd - - v v il input low voltage guaranteed low level - - 0.35 x v dd v ik clamp diode voltage v dd = max., i in = C18ma - -0.7 -1.2 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 www.pericom.com 03/26/14 storage temperature ......................................... C65c to +150c supply voltage to ground potential .................... C0.5v to +2.5v dc input voltage ................................................. C0.5v to +v dd 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 reliability. maximum ratings (above which useful life may be impaired. for user guidelines, not tested.) power supply characteristics parameters description test conditions (1) min. typ. (2) max. units i dd quiescent power supply current v dd = max., v in = gnd or v dd 300 a notes: 1. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device type. 2. t ypical values are at v dd = 1.8v, t a = 25c ambient and maximum loading. notes: 1. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device type. switching characteristics (ta= -40o to +85oc, vdd = 1.8v 10%) parameter description min. typ. (2) max. units t pzh , t pzl line enable time - sel to a n , b n 0.5 - 8.0 ns t phz , t plz line disable time - sel to a n , b n 0.5 - 10 t b-b bit-to-bit skew within the same differential pair 7 ps t ch-ch channel-to-channel skew 35 ps dynamic electrical characteristics over the operating range (ta= -40o to +85oc, vdd = 1.8v 10%) parameter description test conditions (1) min. typ. (2) max. units x talk crosstalk f = 2.5 ghz -40 db o irr off isolation f = 2.5 ghz -25 db i loss differential insertion loss f= 2.5 ghz -3.0 db bw bandwidth -3db 2.6 ghz notes: 1. guaranteed by design. 2. t ypical values are at v dd = 1.8v, t a = 25c ambient and maximum loading. pi2pcie2214 pci express? 2.0, 1-lane, 4:1 mux/demux switch 14-0033
3 www.pericom.com 03/26/14 insertion loss crosstalk pi2pcie2214 pci express? 2.0, 1-lane, 4:1 mux/demux switch 14-0033
4 www.pericom.com 03/26/14 off isolation signal eye with switch signal eye without switch pi2pcie2214 pci express? 2.0, 1-lane, 4:1 mux/demux switch 14-0033
5 www.pericom.com 03/26/14 + ? + ? balanced port1 dut + ? 50 50 + ? balanced port2 50 50 diff. near end xtalk test circuit + ? + ? balanced port1 balanced port2 dut + ? 50 50 diff. off isolation test circuit + ? + ? balanced port1 balanced port2 dut diff. insertion loss and return test circuit 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 oh ?0.3v v ol +0.3v v dd/2 t phz t pzl t pzh output output v ol v oh sel switch positions test switch t plz , t pzl 2 x v dd t phz , t pzh gnd prop delay open 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. pi2pcie2214 pci express? 2.0, 1-lane, 4:1 mux/demux switch 14-0033
6 www.pericom.com 03/26/14 package mechanical: 42-contact tqfn (zh) pericom semiconductor corporation ? 1-800-435-2336 ? www .pericom.com ordering information ordering code package code package type PI2PCIE2214ZHEX zh 42-contact, thin fine pitch quad flat no-lead (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 date: 11/14/12 description: 42-contact thin fine pitch quad flat no-lead (tqfn) package code: zh42 document control #: pd-2035 revision:d notes: 1. all dimensions are in millimeters. angles in degrees. 2. coplanarity applies to the exposed pad as well as the terminals. 3. refer jedec mo-220. 4. recommended land pattern is for reference only. 5. thermal pad soldering area 12-0529 all trademarks are property of their respective owners. pi2pcie2214 pci express? 2.0, 1-lane, 4:1 mux/demux switch 14-0033
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