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USB3370 数据表(PDF) 13 Page - Microchip Technology |
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USB3370 数据表(HTML) 13 Page - Microchip Technology |
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13 / 75 page ![]() 2012 - 2015 Microchip Technology Inc. DS00001915B-page 13 USB3370 Note 4-7 The resistor value follows the 27% Resistor ECN published by the USB-IF. Note 4-8 The values shown are valid when the USB RegOutput bits in the USB IO & Power Management register are set to the default value. Note 4-9 An automatic waiver up to 200mV is granted to accommodate system-level elements such as measurement/test fixtures, captive cables, EMI components, and ESD suppression. This parameter can be tuned using VariSense technology, as defined in Section 7.1.3.1 of Section 7.0, "ULPI Register Map". 4.6 Dynamic Characteristics: Analog I/O Pins Leakage Current OFF-State Leakage Current ILZ ±10 uA Port Capacitance Transceiver Input Capacitance CIN Pin to GND 5 10 pF TABLE 4-6: DYNAMIC CHARACTERISTICS: ANALOG I/O PINS (DP/DM) Parameter Symbol Conditions 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 High 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 4-5: DC CHARACTERISTICS: ANALOG I/O PINS (DP/DM) (CONTINUED) Parameter Symbol Conditions MIN TYP MAX Units |
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