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USB3500 数据表(PDF) 13 Page - Microchip Technology |
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USB3500 数据表(HTML) 13 Page - Microchip Technology |
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13 / 45 page ![]() 2005 - 2016 Microchip Technology Inc. DS00002103A-page 13 USB3500 Single-Ended Receiver Low Level Input Voltage VILSE 0.8 V Single-Ended Receiver High Level Input Voltage VIHSE 2.0 V Single-Ended Receiver Hysteresis VHYSSE 0.050 0.150 V Output Levels Low Level Output Voltage VFSOL Pull-up resistor on DP; RL = 1.5kΩ to VDD3.3 0.3 V High Level Output Voltage VFSOH Pull-down resistor on DP, DM; RL = 15kΩ to GND 2.8 3.6 V Termination Driver Output Impedance for HS and FS ZHSDRV Steady state drive 40.5 45 49.5 Ω Input Impedance ZINP TX, RPU disabled 1.0 MΩ Pull-up Resistor Impedance ZPU Bus Idle 0.900 1.24 1.575 kΩ Pull-up Resistor Impedance ZPURX Device Receiving 1.425 2.26 3.09 kΩ Pull-dn Resistor Impedance ZPD 14.25 15.0 15.75 kΩ HS FUNCTIONALITY Input levels HS Differential Input Sensitivity VDIHS | V(DP) - V(DM) | 100 mV HS Data Signaling Common Mode Voltage Range VCMHS -50 500 mV HS Squelch Detection Threshold (Differential) VHSSQ Squelch Threshold 100 mV Un-squelch Threshold 150 mV Output Levels Hi-Speed Low Level Output Voltage (DP/DM referenced to GND) VHSOL 45Ω load -10 10 mV Hi-Speed High Level Output Voltage (DP/DM referenced to GND) VHSOH 45Ω load 360 440 mV Hi-Speed IDLE Level Output Voltage (DP/DM referenced to GND) VOLHS 45Ω load -10 10 mV Chirp-J Output Voltage (Differential) VCHIRPJ HS termination resistor disabled, pull-up resistor connected. 45Ω load. 700 1100 mV Chirp-K Output Voltage (Differential) VCHIRPK HS termination resistor disabled, pull-up resistor connected. 45Ω load. -900 -500 mV Leakage Current OFF-State Leakage Current ILZ ±10 uA Port Capacitance Transceiver Input Capacitance CIN Pin to GND 5 10 pF Note: VDD3.3 = 3.0 to 3.6V; VSS = 0V; TA = 0C to +70C; unless otherwise specified. TABLE 4-4: DC ELECTRICAL CHARACTERISTICS: ANALOG I/O PINS (DP/DM) (CONTINUED) Parameter Symbol Conditions MIN TYP MAX Units |
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