1 ps8920a 10/26/07 notes: 1. x = 0, 1 features ? usb 2.0 compliant ? r on is 5.5 typical ? low bit-to-bit skew ? low crosstalk: ?40db @ 500 mbps ? i/o pins have over voltage protection and can tolerate a short to vbus ? near-zero propagation delay: 250ps ? switching speed: 9ns ? channel on capacitance: 7pf ? v dd operating range: 2.7v to 4.2v 10% ? data pin i/o esd: 12kv hbm protection per the jesd22- a114d speci cation. ? -3db bandwidth: 1300 mhz (typ) ? packaging (pb-free & green): 10-contact tqfn (zl10) application ? routes signals for usb 2.0 ? hand held devices description the pi3usb2117 is a single differential channel usb 2.0 switch. industry leading advantages include a propagation delay of less than 250ps, resulting from its low channel resistance and i/o capacitance. the switch is bidirectional and offers little or no attenuation of the high-speed signals at the outputs. 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). in addition to isolating d+/d- pins from a usb connetor, pericom's pi3usb2117 solution provides electrostatic discharge (esd) protection, up to 12kv per the jesd22-a114d speci cation. pi3usb2117 also offers overvoltage protection, per the usb 2.0 speci cation. with the chip powered on or off, all i/o pins can withstand a direct short to the vbus pin on the usb connector. in order to enable the overvoltage protection feature, the user must add a 100ohm resistor between the power rail and vdd pin on the chip, pin 9. block diagram pin description pi3usb2117 wide bandwidth, 2-channel, spst usb 2.0 switch w/ esd and overvoltage protection truth table oe xs function h x i/o's = hi-z ll xa = xb l h disconnect 1a 1b 2a 2b 1s 2s oe ctrl 1 2 7 6 3 4 5 10 9 8 2b nc oe 1b 2a gnd 2s 1s v dd 1a 07-0238
2 pi3usb2117 wide bandwidth, 2-channel, spst usb 2.0 switch w/ esd and overvoltage protection ps8920a 10/26/07 dc electrical characteristics for usb 2.0 switching over operating range (t a = ?40c to +85c, v dd = 3.0 - 4.4v) parameter description test conditions (1) min. typ. (2) max. units v ih input high voltage guaranteed high level v dd = 4.2v 2.0 v v dd = 3.3v 1.6 v il input low voltage guaranteed high level 0.8 v ik clamp diode voltage v dd = max., i in = ?18ma -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 r on switch on-resistance (3) v dd = min., -0.4v v in 1.0v , i in = ?40ma 5.5 6.5 r flat(on) on-resistance flatness (3) v dd = min., v in @ 1.5v and v dd i in = -40ma 2.0 r on on-resistance match from cen- ter ports to any other port (3) v dd = min., -0.4v v in 1.0v, i in = -40ma 0.5 notes: 1. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device type. 2. v dd = 3.0 - 4.4v, t a = 25c ambient and maximum loading. 3. measured by the voltage drop between input and output pins at indicated current through the switch-on-resistance is determin ed by the lower of the voltages on the two pins. storage temperature ...................................................... ?65c to +150c supply voltage to ground potential ................................. ?0.5v to +4.6v dc input voltage ......................................................?0.5v to v dd +0.5v 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 speci cation 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 (v dd = 3.0 - 4.4v) parameters description test conditions (1) min. typ. max. units i cc quiescent power supply current v dd = max., v in = gnd or v dd 1 a notes: 1. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device type. 07-0238
3 pi3usb2117 wide bandwidth, 2-channel, spst usb 2.0 switch w/ esd and overvoltage protection ps8920a 10/26/07 capacitance (t a = 25c, f = 1mhz) parameters (3) description test conditions (1) typ. (2) units c in input capacitance v in = 0v 4.0 pf c off off capacitance, switch off 3.2 c on switch capacitance, switch on 7.0 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 v dd = 3.3v, t a = 25c ambient and maximum loading. 3. this parameter is determined by device characterization but is not production tested. dynamic electrical characteristics over the operating range parameters description test conditions min. typ. (2) units x talk crosstalk r l = 50 , f = 250 mhz ?40 db o irr off isolation ?31 -3db bw bandwidth -3db r l = 50 1300 mhz 0.5db bw 0.5db bandwidth r l = 50 270 mhz switching characteristics parameters description test conditions (1) min. typ. max. units t pd propagation delay (2,3) see test circuit for electrical characteristics 1 0.25 ns t pzh , t pzl line enable time see test circuit for electrical characteristics 2 0.5 15.0 t phz , t plz line disable time 0.5 9.0 t skc-c output skew, channel-to-channel (2) 20 ps notes: 1. for max. or min. conditions, use appropriate value speci ed under electrical characteristics for the applicable device type. 2. the switch contributes no propagational delay other than the rc delay of the on-resistance of the switch and the load capaci tance. 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/f all times of typical driving signals, it adds very little propagational delay to the system. propagational 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. 07-0238
4 pi3usb2117 wide bandwidth, 2-channel, spst usb 2.0 switch w/ esd and overvoltage protection ps8920a 10/26/07 test circuit for electrical characteristics 2 notes: c l = load capacitance: includes jig and probe capacitance. r t = termination resistance: should be equal to z out of the pulse generator 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. all input impulses are supplied by generators having the following characteristics: prr mhz, z o = 50 ? , t r ? 2.5ns, t f ? 2.5ns. 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 2 x v dd t phz , t pzh gnd prop delay open r t 10pf c l v dd v in v out 200-ohm 200-ohm 2 x v pulse generator d.u.t dd pi3usb2117 t1 r1 s1 hp11667a hp396b test circuit for electrical characteristics 1 pulse generator r t dut v dd out v 50 7 07-0238
5 pi3usb2117 wide bandwidth, 2-channel, spst usb 2.0 switch w/ esd and overvoltage protection ps8920a 10/26/07 voltage waveforms propagation delay times switching waveforms voltage waveforms enable and disable times applications information logic inputs the logic control inputs can be driven up to +3.6v regardless of the supply voltage. for example, given a +3.3v supply, the ou tput enables or select pins may be driven low to 0v and high to 3.6v. driving in rail-to-rail? minimizes power consumption. power supply sequencing proper power supplysequencing is recommended for all cmos devices. always apply vdd and gnd before applying signals to input/output or control pins. rail-to-rail is a registered trademark of nippon motorola, ltd 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 waveform 1 waveform 2 v ol +0.3v v oh ?0.3v v ol v oh xs input t plh 2.5 v 2.5 v 2.5 v 2.5 v t phl 3.5 v 1.5 v output v oh v ol 07-0238
6 pi3usb2117 wide bandwidth, 2-channel, spst usb 2.0 switch w/ esd and overvoltage protection ps8920a 10/26/07 ordering information ordering code package code package description top mark PI3USB2117ZLEX zl pb-free & green, 10-contact tqfn u7 notes: ? thermal characteristics can be found on the company web site at www.pericom.com/packaging/ ? e = pb-free and green ? x suf x = tape/reel pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com description: 10-contact, thin fine pitch quad flat no-lead (tqfn) package code: zl (zl10) document control #: pd-2052 revision: a . o t e s ! l l d i m e n s i o n s a r e i n m i l l i m e t e r s 2 e f * % $ % # - /
date: 03/20/06
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