1 09/18/14 features ? usb 2.0 compliant (high speed, full speed, and low speed) ? r on : 4.0? typical @ v dd = 3.0v ? channel on capacitance: 6.0pf ? w ide -3db bandwidth: 1,000mhz ? low bit-to-bit skew ? low crosstalk: -29b @ 480 mbps ? of f isolation: -28db @ 480 mbps ? near -zero propagation delay: 250ps ? support 1.8-v logic on control pins ? v dd operating range: 3.0v to 5.5v ? esd: 8kv hbm on y+/y- pins per jesd22 standard ? y+/y - pins have over-voltage protection and can tolerate a short to vbus ? packaging (pb-free & green): 10-contact tqfn, 1.3mm x 1.6mm x 0.75mm (zl10) application ? routes signals for usb 2.0 ? pc, notebooks and hand-held devices description the pi3usb102g is a single differential channel 2:1 multiplexer/ demultiplexer usb 2.0 switch. industry leading advantages include a propagation delay of 250ps, resulting from its low channel re- sistance and i/o capacitance. pi3usb102g is bidirectional and offers very little attenuation of high-speed signals. it is designed for low bit-to-bit skew, high channel-to-channel noise isolation and is compatible with various standards, such as high speed usb 2.0 (480 mb/s). the pi3usb102g offers over voltage protection for the y+/y- pins as per the usb 2.0 specifcation. with the chip powered on or off if y+/y- pins are shorted to vbus (5v +/- 5%), m+/m- and d+/d- outputs are clamped to provide voltage protection for downstream devices. the pi3usb102g has a better y+/y- power-off leakage current with the voltage range of 0v to 5v versus 0v to 3.3v for the pi3usb102e. block diagram m+ y+ m - y - d - d+ oe sel control logic over voltage protection over voltage protection pi3usb102g usb 2.0 high-speed (480 mbps) switch with 5v protection with improved iof voltage range 14-0136
2 09/18/14 truth table sel oe y+ y- x h hi-z hi-z l l m+ m- h l d+ d- pin description pin no. pin name description 1 y+ usb data bus 2 y- usb data bus 3 gnd ground 4 m- multiplexed source inputs 5 m+ multiplexed source inputs 6 d- multiplexed source inputs 7 d+ multiplexed source inputs 8 oe switch enable 9 v dd positive power supply 10 sel switch select pin configuration m+ gnd 1 2 7 6 8 sel v dd oe d+ y+ m- 3 4 5 9 10 d- y- pi3usb102g usb 2.0 high-speed (480 mbps) switch with 5v protection 14-0136
3 09/18/14 dc electrical characteristics for usb 2.0 switching over operating range (t a = C40c to +85c, v dd = 3.0 - 5.5v) parameter description test conditions (1) min. typ. (2) max. units v ih input high voltage guaranteed high level 1.4 v v il input low voltage guaranteed low level 0.8 v ik clamp diode voltage v = max., i ik = C18ma -0.7 -1.2 i ih input high current for sel and oe v = max., v ih = vdd -100 100 na i il input low current for sel and oe v = max., v il = gnd -100 100 i ih input high current for y+/y- v = 3.3v., v y = 5.25v 50 ua i il input low current for y+/y- v = 3.3v., v y = 0v 1 i leakage leakage from y+/y- to vdd when v y+/y- > vdd v = 3.3v., v y+/y- = 5.25v, oe = low 200 na r switch on-resistance (3) v = 3v, 0v v input 1.0v , i = C40ma 4.0 5.0 ? r flat(on) on-resistance flatness (3) v = 3v, 0v v input 1.0v , i = C40ma 1.5 dr on-resistance match from center ports to any other port (3) v = 3v, 0v v input 1.0v , i = C40ma 0.9 2.0 v ovp input over-voltage protection thresh- old (4) v = 3.0 v 3.1 3.2 3.4 v v = 3.3 v 3.4 3.5 3.7 v = 3.6 v 3.7 3.8 4.0 i oz_m output leakage current on port m when d path is on v y+/y- = 5.25v, v = 3.3v sel = high, v m+/m- = 0v -200 200 na i oz_d output leakage current on port d when m path is on v y+/y- = 5.25v, v = 3.3v sel = low, v d+/d- = 0v -200 200 na i off y+/y- power-off leakage current v input = 0v to 5v, v = 0v 0.2 1 ua storage temperature ......................................................C65c to +150c supply voltage to ground potential .................................... C0.5v to +6v dc input voltage ................................................................. C0.5v to +6v 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. ex- posure 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. ty p. max. units i power supply current v dd = 3.3v, oe = gnd, v sel = gnd or v 1 2 ua pi3usb102g usb 2.0 high-speed (480 mbps) switch with 5v protection 14-0136
4 09/18/14 notes: 1. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device type. 2. v dd = 3.0 - 5.5v, t a = 25c ambient. 3. measured by the voltage drop between y+/y- and the lower of m+/m- and d+/d- at indicated current through the switch. 4. when the voltage at y+/y- is greater than v dd + 0.2v, over-voltage protection limits the output voltage at m+/- and d+/- to protect connected devices from damage. (t a parameters (3) description test conditions (1) typ. (2) max. units c in input capacitance 2.2 3.2 pf c off (m/d) switch off capacitance for m and d ports oe = high 3.0 4.0 c off (y) switch off capacitance for y port oe = high 5.0 6.0 c on switch capacitance, switch on v sel = 0v or v dd 6.0 7.0 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 = 3.3v, t a = 25c ambient. 3. this parameter is determined by device characterization but is not production tested. 4. t ime duration for output voltage higher than v ovp when input is connected to 5v. 5. output voltage observed at m+/m- and d+/d- during over -voltage condition. 6. t ested using a 750 khz square wave with t r = 75 ns and t f = 75 ns. parameters (3) description test conditions min. typ. (2) max. units x talk crosstalk r l = 50?, f = 240 mhz -29 db o irr off isolation -28 -3db bw C3db bandwidth r l = 50? 1,000 mhz -0.5db bw C0.5db bandwidth r l = 50? 275 mhz t ovp over-voltage response time (4) c l = 10 pf, v y+/y- = 5v, v dd = 3.0 to 3.6v (6) 40 100 ns v dsw dynamic signal output swing (5) c l = 10 pf, v y+/y- = 5v, v dd = 3.0 to 3.6v (6) 2.7 3.0 3.6 v parameters description test conditions (1) min. ty p. max. units t pd propagation delay (2,3) see test circuit for electrical characteristics 0.25 ns t pzh , t pzl line enable time - sel, oe to d(+/-), m(+/-) 0.5 50 t phz , t plz line disable time - sel, oe to d(+/-), m(+/-) 0.5 11.0 t bbm break before make delay 9.0 ns t skb-b output skew, bit-to-bit (opposite transition of the same output (t phl -t plh ) (2) 8 20 ps notes: 1. for max. or min. conditions, use appropriate value specifed under electrical characteristics for the applicable device type. 2. guaranteed by design. 3. the switch contributes no propagation delay other than the rc delay of the on-resistance of the switch and the load capacitance. the time constant for the switch alone is of the order of 0.25ns for 10pf load. since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagation delay to the system. propagation delay of the switch when used in a system is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side. pi3usb102g usb 2.0 high-speed (480 mbps) switch with 5v protection 14-0136
5 09/18/14 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. all input impulses are supplied by generators having the following characteristics: z o = 50?, t r 2.5ns, t f 2.5ns. 4. the outputs are measured one at a time with on transition per measurement. test circuit for dynamic electrical characteristics switch positions test switch t plz , t pzl 6.0v t phz , t pzh gnd prop delay open dut pulse generator r t v dd d.u.t. v out 6.0v 200-ohm 10pf 200-ohm application example diagram pi3usb102g usb 2.0 high-speed (480 mbps) switch with 5v protection 14-0136
6 09/18/14 voltage waveforms propagation delay times switching waveforms voltage waveforms enable and disable times t plz 1.25v 1.25v 2.5v v oh 0v v ol v dd/2 v dd/2 t phz t pzl t pzh wa ve fo rm 1 wa ve fo rm 2 v ol +0.3v v oh ?0.3v v ol v oh sel input t plh 2.5v 2.5v 2.5v 2.5v t phl 3.5v 1.5v output v oh v ol overvoltage protection waveforms input signal appears at y+/y- typical o utput response at m+/m - or d +/d - 0 v ovp 5v 0 5v v ovp tr =75ns tf = 75ns tovp v dsw the pi3usb102g offers over voltage protection for the y+/y- pins to protect from shorts to vbus (5v). when the voltage on y+/y- exceeds v ovp, the voltage at m+/m- and d+/d- is clamped to v dsw within the time t ovp. for rise time of 75 ns (as per usb1.1 and usb2.0 low-speed specifcations), t ovp is typically 40 ns. t ovp is smaller for faster risetimes. for example, t ovp is typically 20 ns for rise time of 5 ns. pi3usb102g usb 2.0 high-speed (480 mbps) switch with 5v protection 14-0136
7 09/18/14 description: 10-contact, thin fine pitch quad flat no-lead (tqfn) package code: zl (zl10) document control #: pd-2052 revision: e :etad 88 /30/13 8 0 13-0175 packaging mechanicals: 10-contact tqfn (zl10) ordering code package code package description top ma rk PI3USB102GZLE zl 10-contact, tin fine pitch quad flat no-lead (tqfn) jw notes: ? thermal characteristics can be found on the company web site at www .pericom.com/packaging/ ? e = pb-free and green ? adding x suffx = tape/reel pericom semiconductor corporation ? 1-800-435-2336 ? www .pericom.com pi3usb102g usb 2.0 high-speed (480 mbps) switch with 5v protection 14-0136
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