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USB3320 数据表(PDF) 14 Page - Microchip Technology |
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USB3320 数据表(HTML) 14 Page - Microchip Technology |
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14 / 70 page ![]() USB3320 DS00001792B-page 14 2014-2015 Microchip Technology Inc. 4.6 Dynamic Characteristics: Analog I/O Pins 4.7 OTG Electrical Characteristics TABLE 4-6: DYNAMIC CHARACTERISTICS: ANALOG I/O PINS (DP/DM) Parameter Symbol Condition MIN TYP MAX Units FS Output Driver Timing FS Rise Time TFR CL = 50pF; 10 to 90% of |VOH - VOL| 420 ns FS Fall Time TFF CL = 50pF; 10 to 90% of |VOH - VOL| 420 ns Output Signal Crossover Voltage VCRS Excluding the first transition from IDLE state 1.3 2.0 V Differential Rise/Fall Time Matching TFRFM Excluding the first transition from IDLE state 90 111.1 % LS Output Driver Timing LS Rise Time TLR CL = 50-600pF; 10 to 90% of |VOH - VOL| 75 300 ns LS Fall Time TLF CL = 50-600pF; 10 to 90% of |VOH - VOL| 75 300 ns Differential Rise/Fall Time Matching TLRFM Excluding the first transition from IDLE state 80 125 % HS Output Driver Timing Differential Rise Time THSR 500 ps Differential Fall Time THSF 500 ps Driver Waveform Requirements Eye pattern of Template 1 in USB 2.0 specification Hi-Speed Mode Timing Receiver Waveform Requirements Eye pattern of Template 4 in USB 2.0 specification Data Source Jitter and Receiver Jitter Tolerance Eye pattern of Template 4 in USB 2.0 specification TABLE 4-7: OTG ELECTRICAL CHARACTERISTICS Parameter Symbol Condition MIN TYP MAX Units SessEnd trip point VSessEnd 0.2 0.5 0.8 V SessVld trip point VSessVld 0.8 1.4 2.0 V VbusVld trip point VVbusVld 4.4 4.58 4.75 V A-Device Impedance RIdGnd Maximum A device Impedance to ground on ID pin 100 kΩ ID Float trip point VIdFloat 1.9 2.2 2.5 V VBUS Pull-Up RVPU VBUS to VDD33 Note 4-8 (ChargeVbus = 1) 1.29 1.34 1.45 kΩ VBUS Pull-down RVPD VBUS to GND Note 4-8 (DisChargeVbus = 1) 1.55 1.7 1.85 kΩ VBUS Impedance RVB VBUS to GND 40 75 100 kΩ ID pull-up resistance RID IdPullup = 1 80 100 120 kΩ ID weak pull-up resistance RIDW IdPullup = 0 1 MΩ ID pull-dn resistance RIDPD IdGndDrv = 1 1000 Ω |
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