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USB2240 データシート(PDF) 32 Page - Microchip Technology |
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USB2240 データシート(HTML) 32 Page - Microchip Technology |
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32 / 43 page ![]() USB224X DS00001979A-page 32 2010 - 2015 Microchip Technology Inc. 9.2 Operating Conditions Note 9-3 A 3.3 V regulator with an output tolerance of 1% must be used if the output of the internal power FETs must support a 5% tolerance. 9.3 DC Electrical Characteristics Parameter Symbol MIN MAX Units Comments Commercial Part Industrial Part TA TA 0 -40 70 85 °C °C Operating Temperature Ambient temperature in still air. 3.3 V supply voltage VDD33 3.0 3.6 V (Note 9-3) 3.3 V supply rise time tRT 0 400 μs Voltage on USB+ and USB- pins -0.3 5.5 V If any 3.3 V supply voltage drops below 3.0 V, then the MAX becomes: (3.3 V supply voltage) + 0.5 ≤ 5.5 Voltage on any signal pin -0.3 VDD33 V Voltage on XTAL1 -0.3 VDD33 V Voltage on XTAL2 -0.3 VDD18 V Parameter Symbol MIN TYP MAX Units Comments I, IPU, IPD Type Input Buffer Low Input Level High Input Level Pull Down Pull Up VILI VIHI PD PU 2.0 72 58 0.8 V V μA μA TTL Levels IS Type Input Buffer Low Input Level High Input Level Hysteresis VILI VIHI VHYSI 2.0 420 0.8 V V mV TTL Levels ICLK Input Buffer Low Input Level High Input Level Input Leakage VILCK VIHCK IIL 1.4 -10 0.5 +10 V V μA VIN = 0 to VDD33 Input Leakage (All I and IS buffers) Low Input Leakage High Input Leakage IIL IIH -10 -10 +10 +10 μA μA VIN = 0 VIN = VDD33 |
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