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PI3USB103 数据表(PDF) 3 Page - Pericom Semiconductor Corporation |
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PI3USB103 数据表(HTML) 3 Page - Pericom Semiconductor Corporation |
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3 / 7 page ![]() 3 PI3USB103 USB 2.0 High-Speed (480 Mbps) Signal Switch with Vbus Short Protection www.pericom.com 12/18/14 All trademarks are property of their respective owners. Capacitance (T a = 25°C, f = 1MHz) Parameters(3) Description Test Conditions(1) Typ.(2) Max. Units CIN InputCapacitance VSEL=0V 2.7 3.0 pF COFF SwitchCapacitance,SwitchOFF 2.8 3.0 CON SwitchCapacitance,SwitchON 6.0 6.5 Notes: 1. Formax.ormin.conditions,useappropriatevaluespecifiedunderElectricalCharacteristicsfortheapplicabledevicetype. 2. TypicalvaluesareatVDD=3.3V,TA =25°Cambientandmaximumloading. 3. Thisparameterisdeterminedbydevicecharacterizationbutisnotproductiontested. Dynamic Electrical Characteristics Over the Operating Range Parameters Description Test Conditions Min. Typ.(2) Max. Units XTALK Crosstalk RL=50Ω f=240MHz f=825MHz -35 -25 –39 –28 dB OIRR OFFIsolation f=240MHz f=825MHz -29 -20 –32 –23 BW –3dBBandwidth RL=50Ω 1100 1400 MHz BW –0.5dBBandwidth RL=50Ω 150 400 MHz IN InsertionLoss f=240MHz f=825MHz f=1.0GHz f=1.125GHz 0.47 1.8 2.2 2.4 0.67 2.4 2.6 3.0 dB Switching Characteristics Parameters Description Test Conditions (1) Min. Typ. Max. Units tPD PropagationDelay(2,3) SeeTestCircuitfor ElectricalCharac- teristics 0.25 0.35 ns tPZH,tPZL LineEnableTime-SEL,OEtoD(+/-),M(+/-) 0.5 60 tPHZ,tPLZ LineDisableTime-SEL,OEtoD(+/-),M(+/-) 0.5 60 tSKC-C Outputskew,channel-to-channel(2) 3.5 14 ps Notes: 1. Formax.ormin.conditions,useappropriatevaluespecifiedunderElectricalCharacteristicsfortheapplicabledevicetype. 2. Guaranteedbydesign. 3. TheswitchcontributesnopropagationaldelayotherthantheRCdelayoftheOn-Resistanceoftheswitchandtheloadcapacitance.Thetimeconstantforthe switchaloneisoftheorderof0.25nsfor10pFload.Sincethistimeconstantismuchsmallerthantherise/falltimesoftypicaldrivingsignals,itaddsverylittle propagationaldelaytothesystem.Propagationaldelayoftheswitchwhenusedinasystemisdeterminedbythedrivingcircuitonthedrivingsideoftheswitch anditsinteractionswiththeloadonthedrivenside. 14-0215 |
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