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USB2513 数据表(PDF) 39 Page - Microchip Technology |
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USB2513 数据表(HTML) 39 Page - Microchip Technology |
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39 / 57 page ![]() 2010 - 2015 Microchip Technology Inc. DS00001692C-page 39 USB251xB/xBi 6.0 DC PARAMETERS 6.1 Maximum Ratings 6.2 Operating Conditions Parameter Symbol MIN MAX Units Comments Storage Temperature TSTOR -55 150 °C Lead Temperature Refer to JEDEC Specification J-STD- 020D [5] 3.3 V supply voltage VDD33 VDDA33 4.6 V Applies to all packages Voltage on any I/O pin -0.5 5.5 V Voltage on XTALIN -0.5 4.0 V Voltage on XTALOUT -0.5 2.5 V Note 6-1 • Stresses above the specified parameters could cause permanent damage to the device. This is a stress rating only. Therefore, functional operation of the device at any condition above those indicated in the operation sec- tions of this specification are not implied. • When powering this device from laboratory or system power supplies, it is important that the absolute maximum ratings not be exceeded or device failure can result. Some power supplies exhibit voltage spikes on their outputs when the AC power is switched on or off. In addition, voltage transients on the AC power line may appear on the DC output. When this possibility exists, it is suggested that a clamp circuit be used. Parameter Symbol MIN MAX Units Comments Extended Commercial Operating Temperature TAE 0 85 °C Ambient temperature in still air Industrial Operating Temperature TAI -40 85 °C Ambient temperature in still air Only applies to USB251xBi products 3.3 V supply voltage VDD33 VDDA33 3.0 3.6 V Applies to all parts 3.3 V supply rise time tRT33 0400 sSee Figure 6-1 and Note 6-2 Voltage on any I/O pin -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 Voltage on XTALIN -0.3 VDD33 V |
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