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USB4640 датащи(PDF) 56 Page - SMSC Corporation |
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USB4640 датащи(HTML) 56 Page - SMSC Corporation |
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56 / 64 page ![]() High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller Datasheet Revision 1.0 (06-09-09) 56 SMSC USB4640/USB4640i DATASHEET 10.2 Operating Conditions 10.3 DC Electrical Characteristics PARAMETER SYMBOL MIN MAX UNITS COMMENTS Commercial USB4640 Operating Temperature TA 0 70 °C Ambient temperature in still air. Industrial USB4640i Operating Temperature TA -40 85 °C Ambient temperature in still air. 3.3 V supply voltage VDD33 3.0 3.6 V A 3.3 V regulator with an output tolerance of 1% must be used if the output of the internal power FET’s must support a 5% tolerance. 3.3 V supply rise time tRT 0400 μs(Figure 10.1) 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 2.0 V Voltage on XTAL2 -0.3 2.0 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 |
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