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1 ps8831c 12/18/06 block diagram pi3hdmi412ft-a 2:1 mux/demux high bandwidth (> 5 gbps) hdmi 1.3 compliant signal switch features ? 4-differential channel 2:1 mux/demux ? hdmi 1.1, 1.2, and 1.3 compatible ? allowable data rate: > 5.0 gbps ? supports both ac coupled and dc coupled signals ? switching speed: 4ns ? isolation: -40db @ 2.0 gbps ? crosstalk: -31db @ 2.0 gbps ? esd: data bits @ 8kv contact, select bit @ 2kv hbm ? low bit-to-bit skew ? enable/disable time: 9ns ? bidirectional ? packaging (pb-free & green): ? 42-pin tqfn (zh42) ? 48-pin bqsop (b48) description pericom semiconductor?s pi3hdmi series of switch circuits are targeted for high-resolution video networks that are based on dvi/hdmi standards, and tmds signal processing. the pi3hdmi412ft-a is an 8- to 4-channel mux/demux switch. the device multiplexes differential signals to one of two corresponding outputs. the switch is bidirectional and offers little or no attenua- tion of the high-speed signals at the outputs. it is designed for low bit-to-bit skew and high channel-to-channel noise isolation. the allowable data rate of 5.0gbps provides the resolution required by the next generation hdtv and pc graphics. three differential channels are used for data (video signals for dvi or audio/video signals for hdmi), and one differential channel is used for clock for decoding the tmds signals at the outputs. due to its integrated pull-up resistors, the product has been designed speci cally for applications where the part is used as a 2 to 1 mux, not 1 to 2 demux. therefore, pericom only recommends the part to be used as a 2 to 1 mux when dealing with hdmi signals. even though the passive circuitry does not eliminate the bi-directional functionality, it is not ideal when used with hdmi signals. if dvi are used, either direction can be used. pin description 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 d0 + a d0 - a d1 + a d1 - a d2 + a d2 - a d3 + a d3 - a v dd d0 + b d0 - b d1 + b d1 - b d2 + b d2 - b d3 + b d3 - b v ss v dd d0 + d0 - v ss d1 + d1 - v dd sel v ss d2 + d2 - v ss d3 + d3 - v dd v ss v dd v ss v dd v ss v dd v ss v dd v ss v ss sel d 3 - d 3 + d 2 - d 2 + d 1 - d 1 + d 0 - d 0 + d 0 -a d 0 +a d 1 -a d 1 +a d 2 -a d 2 + a d 3 -a d 3 + a d 0 -b d 0 +b d 1 -b d 1 +b d 2 -b d 2 +b d 3 -b d 3 +b v dd v dd v ss v dd v ss v dd v ss d0+ d0- v ss d1+ d1- v ss v dd sel v ss d2+ d2- v ss d3+ d3- v ss v dd v ss v dd v ss v dd v ss d0 +a d0 - a d1 +a d1 - a v ss d2 +a d2 - a d3 +a d3 -a v ss v dd d0 +b d0 - b d1 +b d1 - b v ss d2 +b d2 - b d3 +b d3 -b v ss v dd 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 42-pin tqfn 48-pin bqsop 06-0309
2 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch truth table sel function l dx dx a + dx b pullups are active h dx dx b + dx a pullups are active storage temperature...........................................................?65c to +150c supply voltage to v ss potential............................................?0.5v to +2.5v dc input voltage ..............................................................0v to v dd +0.5v dc output current.............................................................................120ma 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 op- erational sections of this spec i ca tion is not implied. exposure 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 for switching over operating range (t a = ?40c to +85c) paramenter description test conditions (1) min. typ. (2) max. units v ih (3) input high voltage guaranteed high level 0.65(v dd -v ss )+v ss v v il (3) input low voltage guaranteed low level ?0.5+v ss 0.35(v dd -v ss )+v ss v ik clamp diode voltage v dd =max., i in =?18ma ?0.7+v ss ?1.2+v ss i ih input high current v dd =max., v in =v dd 5 a i il input low current v dd =max., v in =v ss 5 notes: 1. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device type. 2. typical values are at t a = 25c ambient and maximum loading. 3. v ih & v il are for sel input only. pin description pin # (bqsop) pin # (tqfn) pin name description 2, 4, 12, 21, 23, 25, 36, 48 2, 8, 16, 18, 20, 30, 40, 42 v dd + power supply 3.30v 1, 3, 5, 8, 11, 14, 17, 20, 22, 24, 26, 31, 37, 42, 47 1, 5, 10, 13, 17, 19, 21, 39, 41 v ss - power supply 13 9 sel select pin, see truth table 6, 7, 9, 10, 15, 16, 18, 19, 27-30, 32-35, 38-41, 43-36 3, 4, 6, 7, 11, 12, 14, 15, 22-29, 31-38 dx +/-x + clk +/-x data + clk bits for tmds signal dc power supply characteristics paramenter description min. max. units v dd positive power supply 3.0 3.6 v v ss negative power supply 1.5 1.6 v 06-0309
3 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch power supply characteristics parameters description test conditions (1) min. typ. (2) max. units i cc quiescent power supply current v dd = max., v in = v dd or v ss 300 400 a notes: 1. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device type. 2. typical values are at t a = 25c ambient and maximum loading. dynamic electrical characteristics over the operating range (t a = -40o to +85oc) parameter description test conditions min. typ. max. units x talk crosstalk see fig. 1 for measurement setup, @ 2.0 gbps -31 db o irr off isolation see fig. 2 for measurement setup, @ 2.0 gbps -40 bw -3db bw 2.7 ghz insertion loss @ 1.65 gbps -0.87 db @ 2.0 gbps -0.95 @ 2.5 gbps -1.18 @ 3.3 gbps -1.85 notes: 1. for measurement setup, please see ?test circuit for electrical characteristic? on page 8, and ?switching waveforms? on page 9 switching characteristics (t a = -40o to +85oc, v ss =0v, v dd =1.8v 10%) paramenter description min. max. units t pzh , t pzl line enable time - sel to n a , n b (1) 0.5 8.0 ns t phz , t plz line disable time - sel to n a , n b (1) 0.5 4.0 06-0309
4 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch fig 2. off-isolation setup pi3hdmi412ft-a t r s hp11667a 50-ohm 50-ohm 50-ohm hp4396b 100 -ohm pi3hdmi412ft-a t r s hp11667a 50-ohm 50-ohm 50-ohm hp4396b 100 -ohm 100 -ohm fig 1. crosstalk setup 06-0309
5 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch fig 3. crosstalk 06-0309
6 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch fig 4. off isolation 06-0309
7 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch fig 5. insertion loss 06-0309
8 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch fig 6. tmds tp3 rx eye compliance test setup application measurements 06-0309
9 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch fig 7. tp3 (rx) with 2-meter cable eye measurements (right eye is with no switch. left eye is with switch.) 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 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. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 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. switch positions test switch t plz , t pzl 2 x (v dd - v ss ) t phz , t pzh v ss prop delay open 06-0309
10 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch test circuit for dynamic electrical characteristics pi3hdmi412ft-a t1 r1 s1 hp11667a hp4396b or equivalent 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 output v ol v oh sel v ol + 0.15v v oh ? 0.15v 1.8k-ohm 1.5k-ohm 3.3v pi3hdmi412ft-a select line select line 1.5v 3.3v example of a circuit that also needs to be connected to the select lines of the pi3hdmi412ft-a 06-0309
11 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch '(6&5,37,21frqwdfw7klq)lqh3lwfk4xdg)odw1r/hdg74)1 3$&.$*(&2'(=+=+ '2&80(17&21752/3' 5(9,6,21$ '$7( 06-0309
12 ps8831c 12/18/06 pi3hdmi412ft-a 2:1 mux/demux high bw (> 5 gbps) hdmi 1.3 compliant signal switch ordering information ordering code package code package description pi3hdmi412ft-azhe zh pb-free & green, 42-pin tqfn pi3hdmi412ft-abe b pb-free & green, 48-pin bqsop notes: ? thermal characteristics can be found on the company web site at www.pericom.com/packaging/ ? e = pb-free and green ? adding x suf x = tape/reel pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com "3# ? 'auge0lane 888 888 $%./4%3$)-%.3)/.3 ).-),,)-%4%23 x ? "3# .om -ax .om 2%& $%3#2)04)/. 0in -il7ide"13/0 0!#+!'%#/$%" $/#5-%.4#/.42/,./ 0$ 2%6)3)/.% $!4% 1rwhv 0d[lpxpsdfndjhohqjwkdqgzlgwkglphqvlrqvgrqrwlqfoxghp rogdvksurwuxvlrqv rujdwhexuuvzklfkvkdooqrwh[fhhglqfkshuvlgh &rqwuroolqjglphqvlrqvlqploolphwhuv 5hi-('(&02&$% 3dfndjh2xwolqh([foxvlyhri0rog)odvkdqg0hwdo%xuu 3hulfrp6hplfrqgxfwru&rusrudwlrq 1vw6wuhhw6dq-rvh&$ ?zzzshulfrpfrp 06-0309

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