USB4640 datasheet(55/64 Pages) SMSC

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High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller

Datasheet

SMSC USB4640/USB4640i

Revision 1.0 (06-09-09)

DATASHEET

Chapter 10 DC Parameters

10.1

Maximum Guaranteed Ratings

Note: Stresses above the specified parameters may cause permanent damage to the device. This is

a stress rating only. Functional operation of the device at any condition above those indicated

in the operation sections of this specification is not implied. When powering this device from

laboratory or system power supplies the absolute maximum ratings must 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, a clamp circuit should be used.

Figure 10.1 Supply Rise Time Model

PARAMETER

SYMBOL

MIN

MAX

UNITS

COMMENTS

Storage

Temperature

TSTOR

-55

150

°C

Lead

Temperature

°C

Please refer to JEDEC

specification J-STD-020D.

3.3 V supply

voltage

VDD33

-0.5

4.0

Voltage on

USB+ and

USB- pins

-0.5

(3.3 V supply voltage + 2)

≤ 6V

Voltage on

GPIO10

-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

3.63 V indefinitely, without

damage to the device as

long as VDD33 is less than

3.63 V and TA is less than

70oC.

Voltage on

any signal pin

-0.5

VDD33 + 0.3

Voltage on

XTAL1

-0.5

3.6

Voltage on

XTAL2

-0.5

2.0

t10%

10%

90%

Voltage

tRT

t90%

Time

100%

3.3 V

VSS

VDD33

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