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1 ps9010b 03/25/10 features v dd operation at 3 v and 4.3 v 1.8-v compatible control-pin inputs i off supports full power-down mode operation r on = 6-ohm typical dr on <0.35-ohm typical cio(on) = 5 pf typical low power consumption esd performance C 7kv human-body model, per jesd22 spec (a114-b, class ii) C 1000-v charged-device model (c101) C 4kv contact, per iec61000-4-2 wide C3-db bandwidth = 2110 mhz typical packaged in 8-pin tqfn (1.5 mm 1.5 mm) application ? routes signals for usb 1.0, 1.1, and 2.0 description the PI3USB32 is a high-bandwidth switch specially designed for the switching of high-speed usb 2.0 signals in handset and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers with limited usb i/os. the wide bandwidth (750 mhz) of this switch allows signals to pass with minimum edge and phase distortion. the switch is bidirec- tional and offers little or no attenuation of the high-speed signals at the outputs. it is designed for low bit-to-bit skew and high channel-to-channel noise isolation, and is compatible with vari- ous standards, such as high-speed usb 2.0 (480 mbps). block diagram pin confguiration PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature oe d+ 8 4 5 hsd- d- hsd+ 1 2 3 67 gnd vdd nc hsd1+ hsd1- d+ d- control oe (top view) (bottom view) oe d+ 8 4 5 hsd- d- hsd+ 1 2 3 67 gnd vdd nc nc = no internal connection 10-0146
2 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 pin description name description oe bus-switch enable d+, d-, hsd+, hsd- data ports nc no connect truth table oe description h disconnect l d+, d- = hsd+, hsd- supply voltage range (v dd ) ...............................................C0.5v to +7v control input voltage range (v in ) (2)(3) ..............................C0.5v to +7v vi/o switch i/o voltage range (2)(3)(4) hsd+, hsdC ..................................................C0.5v to v dd +0.3 d+, dC when v dd > 0 ....................................C0.5v to v dd +0.3 d+, dC when v dd > 0 .........................................................5.25v control input clamp current ........................................................C50 ma i/o port clamp current ................................................................. C50 ma on-state switch current (5) .............................................................64 ma continuous current through v dd or gnd ..................................100 ma i/o port clamp current ................................................................. C50 ma note: (1) 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. (2) all voltages are with respect to ground, unless otherwise specifed. (3) the input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed. (4) v i and v o are used to denote specifc conditions for v i/o . (5) i i and i o are used to denote specifc conditions for i i/o . absolute maximum ratings (1) (over operating free-air temperature range unless otherwise noted.) 10-0146
3 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 reccomended operating conditions (1) parameter description min. max. units v dd supply voltage 3.0 4.3 v v ih high-level control input voltage v dd = 3v to 3.6v 1.3 v v dd = 4.3 v 1.7 v il input low voltage v dd = 3v to 3.6v 0.5 v v dd = 4.3 v 0.6 v i/o data input/output voltage 0 v dd v t a operating free-air temperature -40 85 c notes: 1. all unused control inputs of the device must be held at vdd or gnd to ensure proper device operation. electrical characteristics over operating free-air temperature range (unless otherwise noted) parameter test conditions 1 min typ (2) max unit v ik v dd = 3 v, i i = C18 ma -1.2 v i in control inputs v dd = 4.3 v, v in = 0 to 4.3 v, v dd = 0 v 1 a i oz (3) v dd = 4.3 v, v o = 0 to 3.6v, v i = 0, switch off 1 a i off d+ and d- v dd = 0 v, v o = 0 to 4.3 v, v i = 0, v in = v dd or gnd 2 a i cc v dd = 4.3 v, i i/o = 0 70 a di cc (4) control inputs v dd = 4.3 v, v in = 2.6 v 10 a c in control inputs v dd = 0 v, v in = v dd or gnd 1 pf cio(off) v dd = 3.3 v, switch off 2 pf cio(on) v dd = 3.3 v, switch on 5 pf r on (5) v dd = 3 v, v i = 0.4 v, io = C8 ma 6 10 w dr on v dd = 3 v, v i = 0.4 v, io = C8 ma 0.35 w dr on(fat) v dd = 3 v, v i = 0 v or 1 v, io = C8 ma 2 w notes: 1. v in and i in refer to control input (oe). v i , v o , i i , and i o refer to data pins. 2. all typical values are at v dd = 3.3 v (unless otherwise noted), t a = 25c. 3. for i/o ports, the parameter i oz includes the input leakage current. 4. this is the increase in supply current for each input that is at the specifed ttl voltage level, rather than v dd or gnd. 5. measured by the voltage drop between the d and hsd terminals at the indicated current through the switch. on-state resistance is determined by the lower of the voltages of the two terminals. 10-0146
4 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 dynamic electrical characteristics (over operating range, t a = C40c to 85c, v dd = 3.3 v 10%, gnd = 0 v) parameter description test conditions (1) typ. (1) units o irr off isolation r l = 50-ohms, f = 240 mhz -30 db bw bandwidth (-3 db) r l = 50-ohms 2110 mhz xtalk crosstalk r l =50-ohms, f = 240 mhz -55 db notes: 1. for max or min conditions, use the appropriate value specifed under electrical characteristics for the applicable device type. switching characteristics (over operating range, t a = C40c to 85c, v dd = 3.3 v 10%, gnd = 0 v) parameters description test conditions (1) min. typ. max. units t pd propagation delay (2,3) r l = 50 w, c l = 5 pf 0.35 ns t on line enable time, oe to d+/d- r l = 50 w, c l = 5 pf 55 ns t off line disable time - oe to d+/d- r l = 50 w, c l = 5 pf 25 ns t sk(p) skew between opposite transitions of the same output (t phl - t plh ) 2 r l = 50 w, c l = 5 pf 50 ps t j total jitter 2 r l = 50 w, c l = 5 pf, tr = t f = 500 ps at 480 mbps (pbrs= 2 15 - 1) 200 ps notes: 1. for max or min conditions, use the appropriate value specifed under electrical characteristics for the applicable device type. 2. guaranteed by design. 3. the bus switch contributes no propagational 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 0.25 ns for 10-pf load. since this time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagational delay to the system. propagational delay of the bus 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. 10-0146
5 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 application information application diagram usb connector PI3USB32 base band prrocessor or fs usb controller hs usb controller oe d+ d- v dd 10-0146
6 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 c l (b) r l v d+ v dd gnd v hsd+ d+ v dd v in 50 ? r l c l t on test v dd 50 ? t off 50% t on t off 50% 90% 90% logic input (v oe ) 1.8 v switch output (hsd+) 0 v oh v ol oe v oe (a) hsd+ turn-on (t on ) and turn-off time (t off ) hsd+ d+ v out v in channel off: hsd to d+ network analyzer setup source power = 0 dbm (632-mv p-p at 50- load) dc bias = 350 mv 50 v dd gnd 50 50 network analyzer source signal v oe + v oe = v dd oe figure 8. off isolation (oirr) 10-0146
7 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 figure 10. bandwidth (bw) v dd gnd hsd+ v oe d+ 50 50 v out1 v in channel on: hsd+ to d+ network analyzer setup source power = 0 dbm (632-mv p-p at 50- load) dc bias = 350 mv network analyzer source signal v oe = gnd oe gnd figure 11. propagation delay 400 mv 10-0146
8 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 skew test pulse skew t sk(p) output skew t sk(p) v ol v oh v oh v ol v oh v ol copyright ? 2007C2008, texas instruments incorporated submit documentation feedback 9 product folder link(s): ts3usb31 10-0146
9 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 on-state resistance (r on ) off-state leakage current channel off off-state leakage current v oe = v ih or v il v dd gnd hsd+ v oe d+ v in v out + + + oe v dd i in r on v in v out i in gnd channel on hsd+ v oe d+ v in v oe = v ih or v il v out + + oe 10-0146
10 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 capacitance v dd gnd v bias v oe v oe = v dd or gnd v bias = v dd or gnd capacitance is measured at hsd+, d+, and oe inputs during on and off conditions. capacitance meter v in v out1 d+ hsd+ oe 10-0146
11 PI3USB32 high-speed usb 2.0 (480 mbps) 1-port switch with full power down feature ps9010b 03/25/10 ordering information ordering code package code package description top mark PI3USB32xae xa 8-pin, tqfn ek notes: ? thermal characteristics can be found on the company web site at www.pericom.com/packaging/ ? e = pb-free and green ? adding x suffx = t ape/reel pericom semiconductor corporation ? 1-800-435-2336 ? www.pericom.com 10-0146

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