USB2641 datasheet(48/60 Pages) MICROCHIP

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USB2640/USB2641

DS00001947C-page 48

 2015-2021 Microchip Technology Inc.

9.2

Operating Conditions

9.3

DC Electrical Characteristics

Parameter

Symbol

MIN

MAX

Units

Comments

Operating Temperature TA

°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

FETs must support a 5% tolerance.

3.3 V supply rise time

tRT

0400

s(Figure 9-1)

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

A

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

A

VIN = 0 to VDD33

Input Leakage

(All I and IS buffers)

Low Input Leakage

High Input Leakage

IIL

IIH

-10

+10

A

VIN = 0

VIN = VDD33

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