USB4640 datasheet(56/64 Pages) SMSC

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

Datasheet

Revision 1.0 (06-09-09)

SMSC USB4640/USB4640i

DATASHEET

10.2

Operating Conditions

10.3

DC Electrical Characteristics

PARAMETER

SYMBOL

MIN

MAX

UNITS

COMMENTS

Commercial

USB4640

Operating

Temperature

°C

Ambient temperature in still air.

Industrial

USB4640i

Operating

Temperature

-40

°C

Ambient temperature in still air.

3.3 V supply voltage

VDD33

3.0

3.6

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

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

-0.3

VDD33

Voltage on XTAL1

-0.3

2.0

Voltage on XTAL2

-0.3

2.0

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

2.0

0.8

μA

TTL Levels

IS Type Input Buffer

Low Input Level

High Input Level

Hysteresis

VILI

VIHI

VHYSI

2.0

420

0.8

TTL Levels

USB4640 Datenblatt(PDF) 56 Page - SMSC Corporation

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