1 www.pericom.com 03/25/14 features ? sas, sata2, xaui switch ? 2 differential channel, 2:1 mux/demux ? bandwidth of 2.0 ghz (C3db) ? low bit-to-bit skew : <5 ps ? low crosstalk: C26db @ 3.2 gbps ? low off isolation: C35db @ 3.2 gbps ? v dd voltage: 1.2v to 1.8v 10% ? esd tolerance: 8kv hbm i/o, 2kv hbm select pin ? packaging (pb-free & green): C 28-contact tqfn description pericom semiconductors pi2dbs212 is an 1:2 differential channel multiplexer/demultiplexer switch. using a specialized design scheme, pericom has been able to achieve a performance of 3gbps data rate mux/de-mux function. due to its bi-direction- al nature, the pi2dbs212 can be used to allocate bandwidth to two different locations as a demux, or connect two high-speed sources to a single receiver as a mux. the pi2dbs212 will target the following standards: sas, sata i, sata ii, xaui, infiniband, hypertransport, and rap id i/o, for application in computers, consumer electronics, instrumentation, etc. block diagram pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch truth table function sel port a to port b l port a to port c h sel a1- a1+ a0- a0+ b0- b0+ b1+ c0+ b1- c0- c1+ c1- pin description - 28-contact tqfn 1 2 3 4 5 6 7 8 9 10 24 23 22 21 20 19 18 17 16 15 11 12 13 14 28 27 26 25 gnd nc sel a0+ a0- a1+ a1- nc vdd gnd b0+ b0- b1+ b1- gnd vdd c0+ c0- c1+ c1- vdd gnd vdd gnd vdd gnd vdd gnd 14-0029
2 www.pericom.com 03/25/14 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 func- tional 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.) dc electrical characteristics over 1.8v operating range (t a = -40c to +85c, v dd = 1.8v 10%) parameter description test conditions (1) 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 C0.5 0.35 x v dd v ik clamp diode voltage v dd = max., i in = C18ma C0.7 C1.2 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 r on on resistance v dd = min., v in = 1.3v, i in = 40ma 10 ohm c on capacitance on (a/b) v in = 0, v dd = 1.8v 3.5 pf power supply characteristics over 1.8v operating range (t a = -40c to +85c, v dd = 1.8v 10%) parameters description test conditions (1) min. typ. (2) max. units i dd quiescent power supply current v dd = max, v in and v sel = gnd or v dd 400 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. 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 over 1.8v operating range (t a = -40c to +85c, v dd = 1.8v 10%) parameter description (1) min. typ. 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 4.0 t b-b bit-to-bit skew, within same differential pair 5 ps t ch-ch channel-to-channel timing skew 12 t pd propagation delay, a to b or c / b or c to a 50 150 pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch 14-0029
3 www.pericom.com 03/25/14 notes: 1. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device type. switching characteristics over 1.5v operating range (t a = -40c to +85c, v dd = 1.5v 0.1v) parameter description (1) min. typ. 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 8.0 t b-b bit-to-bit skew, within same differential pair 5 ps t ch-ch channel-to-channel timing skew 12 t pd propagation delay, a to b or c / b or c to a 50 150 dc electrical characteristics over 1.5v operating range (t a = -40c to +85c, v dd = 1.5v 0.1v) parameter description test conditions (1) 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 C0.5 0.35 x v dd v ik clamp diode voltage v dd = max., i in = C18ma C0.7 C1.2 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 r on on resistance v dd = min., v in = 1.3v, i in = 40ma 25 ohm c on capacitance on (a/b) v in = 0, v dd = 1.5v 3.5 pf power supply characteristics over 1.5v operating range (t a = -40c to +85c, v dd = 1.5v 0.1v) parameters description test conditions (1) min. typ. (2) max. units i dd quiescent power supply current v dd = 1.6v, v in and v sel = gnd or v dd 3.0 ma 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 = 1.5v, 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. 2. t ypical values are at v dd = 1.5v, t a = 25c ambient and maximum loading. pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch 14-0029
4 www.pericom.com 03/25/14 notes: 1. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device type. switching characteristics over 1.2v operating range (t a = -40c to +85c, v dd = 1.2v 0.05v) parameter description (1) min. typ. max. units t pzh , t pzl line enable time - sel to a n , b n 0.5 10.0 ns t phz , t plz line disable time - sel to a n , b n 0.5 10.0 t b-b bit-to-bit skew, within same differential pair 5 ps t ch-ch channel-to-channel timing skew 12 t pd propagation delay, a to b or c / b or c to a 50 150 dc electrical characteristics over 1.2v operating range (t a = -40c to +85c, v dd = 1.2v 0.05v) parameter description test conditions (1) 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 C0.5 0.35 x v dd v ik clamp diode voltage v dd = max., i in = C18ma C0.7 C1.2 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 r on on resistance v dd = min., v in = 1.1v, i in = 40ma 26 ohm c on capacitance on (a/b) v in = 0, v dd = 1.2v 3.5 pf power supply characteristics over 1.2v operating range (t a = -40c to +85c, v dd = 1.2v 0.05v) parameters description test conditions (1) min. typ. (2) max. units i dd quiescent power supply current v dd = 1.25v, v in and v sel = gnd or v dd 1.6 ma 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 = 1.2v, 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. 2. t ypical values are at v dd = 1.2v, t a = 25c ambient and maximum loading. pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch 14-0029
5 www.pericom.com 03/25/14 differential crosstalk (at v dd = 1.8v) off isolation (at v dd = 1.8v) pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch 14-0029
6 www.pericom.com 03/25/14 bandwidth (at v dd = 1.8v) dynamic electrical characteristics over the operating range (t a = C40o to +85oc, v dd = 1.8v10%) parameter description test conditions min. typ. (1) max. units x talk crosstalk see fig. 1 for measurement setup, f = 1.65 ghz C26 db o irr off isolation see fig. 2 for measurement setup, f = 1.65 ghz C35 i loss differential inser- tion loss f = 1.65 ghz C1.8 bw bandwidth @ C3 db 2.0 ghz notes: 1. guaranteed by design. typical values are at v dd = 1.8v, t a = 25c ambient, and maximum loading. pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch 14-0029
7 www.pericom.com 03/25/14 dynamic electrical characteristics over the operating range (t a = C40o to +85oc, v dd = 1.5v0.1v) parameter description test conditions min. typ. (1) max. units x talk crosstalk see fig. 1 for measurement setup, f = 1.65 ghz C26 db o irr off isolation see fig. 2 for measurement setup, f = 1.65 ghz C35 i loss differential insertion loss f = 1.65 ghz C2.5 bw bandwidth @ C3 db 2.8 ghz notes: 1. guaranteed by design. typical values are at v dd = 1.5v, t a = 25c ambient, and maximum loading. dynamic electrical characteristics over the operating range (t a = C40o to +85oc, v dd = 1.2v0.05v) parameter description test conditions min. typ. (1) max. units x talk crosstalk see fig. 1 for measurement setup, f = 1.65 ghz C26 db o irr off isolation see fig. 2 for measurement setup, f = 1.65 ghz C35 i loss differential insertion loss f = 1.65 ghz C2.5 bw bandwidth @ C3 db 2.8 ghz notes: 1. guaranteed by design. typical values are at v dd = 1.2v, t a = 25c ambient, and maximum loading. differential crosstalk (at v dd = 1.2v) pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch 14-0029
8 www.pericom.com 03/25/14 off isolation (at v dd = 1.2v) bandwidth (at v dd = 1.2v) pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch 14-0029
9 www.pericom.com 03/25/14 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. + ? + ? 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 pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch 14-0029
10 www.pericom.com 03/25/14 ordering information ordering code package code package description PI2DBS212ZHEX zh 28-contact, very thin quad flat no-lead (tqfn) notes: ? thermal characteristics can be found on the company web site at www .pericom.com/packaging/ ? e = pb-free & green ? adding an x suffx = tape/reel pericom semiconductor corporation ? 1-800-435-2336 ? www .pericom.com description: 28-contact, very thin quad flat no-lead, tqfn package code: zh28 document control #: pd-2034 revision: c date: 07/11/12 12-0419 packaging mechanical: 28-contact tqfn (zh) pi2dbs212 2.0ghz, diferential broadband signal switch, 2-diferential channel, 2:1 mux/demux switch 14-0029
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