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USB3803 Datasheet(PDF) 81 Page - Microchip Technology |
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USB3803 Datasheet(HTML) 81 Page - Microchip Technology |
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81 / 99 page  2014-2015 Microchip Technology Inc. DS00001691B-page 81 USB3803 Output Levels Low Level Output Voltage VFSOL Pull-up resistor on DP; RL = 1.5kΩ to VDD33_BYP 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 ZHSDRV Steady state drive 40.5 45 49.5 Ω Input Impedance ZINP RX, RPU, RPD disabled 1.0 MΩ Pull-up Resistor Impedance RPU Bus Idle, Note 5 0.900 1.24 1.575 kΩ Pull-up Resistor Impedance RPU Device Receiving, Note 5 1.425 2.26 3.09 kΩ Pull-dn Resistor Impedance RPD Note 5 14.25 16.9 20 kΩ HS FUNCTIONALITY Input levels HS Differential Input Sensitiv- ity VDIHS | V(DP) - V(DM) | 100 mV HS Data Signaling Common Mode Voltage Range VCMHS -50 500 mV HS Squelch Detection Threshold (Differential) VHSSQ 100 150 mV HS Disconnect Threshold VHSDSC 525 625 mV Output Levels High Speed Low Level Output Voltage (DP/DM referenced to GND) VHSOL 45Ω load -10 10 mV High Speed High Level Output Voltage (DP/DM referenced to GND) VHSOH 45Ω load 360 440 mV High Speed IDLE Level Output Voltage (DP/DM referenced to GND) VOLHS 45Ω load -10 10 mV Chirp-J Output Voltage (Dif- ferential) 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 TABLE 10-6: DC CHARACTERISTICS: ANALOG I/O PINS (DP/DM) (CONTINUED) Parameter Symbol Conditions Min Typ Max Units |
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