USB2240 datasheet(32/43 Pages) MICROCHIP

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USB224X

DS00001979A-page 32

 2010 - 2015 Microchip Technology Inc.

9.2

Operating Conditions

Note 9-3

A 3.3 V regulator with an output tolerance of 1% must be used if the output of the internal power

FETs must support a 5% tolerance.

9.3

DC Electrical Characteristics

Parameter

Symbol

MIN

MAX

Units

Comments

Commercial Part

Industrial Part

-40

°C

Operating Temperature

Ambient temperature in still air.

3.3 V supply voltage

VDD33

3.0

3.6

(Note 9-3)

3.3 V supply rise time

tRT

400

μs

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

VDD33

Voltage on XTAL2

-0.3

VDD18

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

ICLK Input Buffer

Low Input Level

High Input Level

Input Leakage

VILCK

VIHCK

IIL

1.4

-10

0.5

+10

μA

VIN = 0 to VDD33

Input Leakage

(All I and IS buffers)

Low Input Leakage

High Input Leakage

IIL

IIH

-10

+10

μA

VIN = 0

VIN = VDD33

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