PI3USB102 USB 2.0 High-Speed (480 Mbps) Signal Switch Targeted for Battery Powered Applications Features Description • USB 2.0 compliant (high speed and full speed) The PI3USB102 is a single differential channel 2:1 multiplexer/demultiplexer 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 device multiplexes differential outputs from a USB Host device to one of two corresponding outputs. 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). • RON is 4.0Ω typical @ VDD = 3.0V • Low bit-to-bit skew • Low Crosstalk: –33dB @ 480 Mbps • Off Isolation: –40dB @ 480 Mbps • Near-Zero propagation delay: 250ps • Switching speed: 9ns • Channel On Capacitance: 5.5pF The PI3USB102 offers over voltage protection per the USB 2.0 specification. With the chip powered on or off, all I/O pins can withstand a short to Vbus (5V +/-10%). This feature can only be offered if a 100-ohm pull up resistor is placed between VDD pin to the power supply. • VDD Operating Range: 2.7V to 4.2V ±10% • Data pin I/O ESD: 8kV contact • -0.5dB BW of 300MHz • I/O pins have over-voltage protection and can tolerate a short to Vbus as long as resistor/diode is added between 3.3V power rail and Pericom's VDD In situations where Vbus can be as high as 7V, Pericom recommends changing the resistor value from 100ohm to 200ohm. Pericom can still support over-voltage protection up to 7V, as long as the 200ohm resistor is present. • Packaging (Pb-free & Green): 10-contact UQFN, 1.4mm x 1.8mm x 0.5mm (ZME10) 10-contact TQFN, 1.3mm x 1.6mm x 0.75mm (ZLE10) Application • Routes signals for USB 2.0 • Hand-held devices Block Diagram Pin Description DSEL Truth Table SEL OE Y+ Y- X H Hi-Z Hi-Z L L M+ M- H L D+ D- 08-0310 1 OE D+ 10 9 8 Y+ 1 7 D+ Y- 2 6 D- 3 4 5 M+ M- VDD Y- M- M+ GND Y+ SEL OE PS8950C 11/20/08 PI3USB102 USB 2.0 High-Speed (480 Mbps) Signal Switch Targeted for Battery Powered Applications Maximum Ratings (Above which useful life may be impaired. For user guidelines, not tested.) Storage Temperature ......................................................–65°C to +150°C Supply Voltage to Ground Potential .................................–0.5V to +4.6V DC Input Voltage .................................................................–0.5V to +7V 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 specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. DC Electrical Characteristics for USB 2.0 Switching over Operating Range (TA = –40°C to +85°C, VDD = 3.0 - 4.4V) Parameter Test Conditions(1) Description Min. VDD = 4.2V 1.8 VDD = 3.3V 1.6 Typ.(2) Max. VIH Input HIGH Voltage Guaranteed HIGH level VIL Input LOW Voltage Guaranteed HIGH level 0.8 VIK Clamp Diode Voltage VDD = Max., IIK = –18mA -1.2 IIH Input HIGH Current VDD = Max., VIH = VDD ±5 IIL Input LOW Current VDD = Max., VIL = GND ±5 RON Switch On-Resistance(3) VDD = Min., -0.4V ≤ Vinput ≤ 1.0V, ION = –40mA 4.0 RFLAT(ON) On-Resistance Flatness(3) VDD = Min., -0.4V ≤ Vinput ≤ 1.0V, ION = -40mA 1.5 ΔRON On-Resistance match from center ports to any other port(3) VDD = Min., -0.4V ≤ Vinput ≤ 1.0V, ION = -40mA 0.9 IOZ I/O leakage current when port is off VDD = 4.3V, Vinput = 0 to 3.6V, switch = off, OE = HIGH Units V uA 5.0 Ω 2.0 ±2 uA Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. VDD = 3.0 - 4.4V, TA = 25°C ambient and maximum loading. 3. Measured by the voltage drop between D and Dn pin at indicated current through the Switch On-Resistance is determined by the lower of the voltages on the two (D, Dn) pins. Power Supply Characteristics (VDD = 3.0 - 4.4V) Parameters Description Test Conditions(1) ICC Quiescent Power Supply Current Min. Typ. Max. Units VDD = Max., OE = GND or VDD 1 uA VDD = Max, VSEL = 1.3V - 2.1V 15 uA Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 08-0310 2 PS8950C 11/20/08 PI3USB102 USB 2.0 High-Speed (480 Mbps) Signal Switch Targeted for Battery Powered Applications Capacitance (TA = 25°C, f = 1MHz) Parameters(3) Description Test Conditions(1) CIN Input Capacitance COFF Switch Capacitance, Switch OFF CON Switch Capacitance, Switch ON VSEL = 0V Typ.(2) Max. 2.2 3.2 2.4 3.4 5.5 7.0 Units pF Dynamic Electrical Characteristics Over the Operating Range Test Conditions Min. Typ.(2) Parameters Description XTALK Crosstalk OIRR OFF Isolation BW –3dB Bandwidth RL = 50Ω 810 MHz BW –0.5dB Bandwidth RL = 50Ω 300 MHz RL = 50Ω, f = 240 MHz Max. Units –35 dB –40 Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VDD = 3.3V, TA = 25°C ambient and maximum loading. 3. This parameter is determined by device characterization but is not production tested. Switching Characteristics Parameters tPD Test Conditions (1) Description Propagation Min. Max. Units 0.5 50 ns 0.5 9.0 Delay(2,3) tPZH, tPZL Line Enable Time - SEL, OE to D(+/-), M(+/-) tPHZ, tPLZ Line Disable Time - SEL, OE to D(+/-), M(+/-) Typ. 0.25 See Test Circuit for Electrical Characteristics tSKC-C Output skew, channel-to-channel(2) 3.5 14 tSKb-b Output skew, bit-to-bit (opposite transition of the same output (tPHL-tPLH)(2) 7.5 20 ps Notes: 1. For max. or min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Guaranteed by design. 3. The 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 0.25ns for 10pF 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 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. 08-0310 3 PS8950C 11/20/08 PI3USB102 USB 2.0 High-Speed (480 Mbps) Signal Switch Targeted for Battery Powered Applications Test Circuit for Dynamic Electrical Characteristics HP4396B S1 VCC R1 T1 PI3USB102 HP11667A Test Circuit for Electrical Characteristics 6.0V VDD 200-ohm Pulse Generator VSEL D.U.T. VOUT 10pF C RT Notes: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator All input impulses are supplied by generators having the following characteristics: PRR ≤ MHz, ZO = 50Ω, tR ≤ 2.5ns, tF ≤ 2.5ns. The outputs are measured one at a time with on transition per measurement. Switch Positions 08-0310 Test Switch tPLZ, tPZL 6.0V tPHZ, tPZH GND Prop Delay Open 4 PS8950C 11/20/08 PI3USB102 USB 2.0 High-Speed (480 Mbps) Signal Switch Targeted for Battery Powered Applications Switching Waveforms 2.5V SEL 1.25V 1.25V 3.5V 2.5V Input 0V 2.5V Waveform 1 1.5V tPLH tPHL 2.5V tPLZ VDD/2 VOH Output tPZL VOL VOL +0.3V VOL tPHZ tPZH 2.5V VOH VDD/2 VOH VOH –0.3V VOL Waveform 2 Voltage Waveforms Propagation Delay Times 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 output 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 supply sequencing 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. 08-0310 5 PS8950C 11/20/08 PI3USB102 USB 2.0 High-Speed (480 Mbps) Signal Switch Targeted for Battery Powered Applications Eye Diagram Measurements L PI3USB102 R TP1 On 2.25" 0.5” sw1 TPS Rt1 45ohm Rt2 45ohm 2 Figure 1: USB2.0 High-speed (480 Mbps) Signal Integrity Test Setup Figure 2: USB 2.0 High Speed (480Mbps) TP1, left eye, and TP5, right eye, with PI3USB102 in the signal path while HDD is driving. 08-0310 6 PS8950C 11/20/08 PI3USB102 USB 2.0 High-Speed (480 Mbps) Signal Switch Targeted for Battery Powered Applications Packaging Mechanicals: 10-Contact TQFN (ZL10) DATE: 03/14/08 Notes: 1) All dimensions are in millimeters 2) Ref JEDEC: MO-220 DESCRIPTION: 10-Contact, Thin Fine Pitch Quad Flat No-Lead (TQFN) PACKAGE CODE: ZL (ZL10) DOCUMENT CONTROL #: PD-2052 08-0310 7 REVISION: B PS8950C 11/20/08 PI3USB102 USB 2.0 High-Speed (480 Mbps) Signal Switch Targeted for Battery Powered Applications Packaging Mechanicals: 10-Contact TuQFN (ZM10) 4)1/ 06-0823 Ordering Information Ordering Code Package Code Package Description Top Mark PI3USB102ZLE ZL Pb-free & Green, 10-contact TQFN XD PI3USB102ZME ZM Pb-free & Green, 10-contact UQFN XD Notes: • Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ • E = Pb-free and Green • Adding X suffix = Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 08-0310 8 PS8950C 11/20/08