USB2250 datasheet(29/36 Pages) SMSC

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Ultra Fast USB 2.0 Multi-Format Flash Media Controller

Datasheet

SMSC USB2250/51/59

Revision 2.6 (05-08-08)

DATASHEET

Chapter 7 DC Parameters

7.1

Maximum Guaranteed Ratings

Note 7.1

Stresses above the specified parameters may cause permanent damage to the device.

This is a stress rating only and functional operation of the device at any condition above

those indicated in the operation sections of this specification is not implied.

Note 7.2

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

Storage

Temperature

-55

150

°C

Lead

Temperature

325

°C

Soldering < 10 seconds

3.3V supply

voltage

VDD33,

VDDA33

-0.5

4.0

Voltage on

USB+ and

USB- pins

-0.5

(3.3V supply voltage + 2)

≤ 6V

Voltage on

GPIO8, 9, 10

& 11

-0.5

VDD33 + 0.3

When internal power FET

operation of these pins are

enabled, these pins may be

simultaneously shorted to

ground or any voltage up to

3.63V indefinitely, without

damage to the device as long

as VDD33 and VDDA33 are less

than 3.63V and TA is less than

70oC.

Voltage on any

signal pin

-0.5

VDD33 + 0.3

Voltage on

XTAL1

-0.5

4.0

Voltage on

XTAL2

-0.5

VDD18 + 0.3

USB2250 데이터시트(PDF) 29 Page - SMSC Corporation

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