USB2507 datasheet(40/44 Pages) SMSC

40 / 44 page

Integrated USB 2.0 Compatible 7-Port Hub

Datasheet

Revision 2.3 (08-27-07)

SMSC USB2507

DATASHEET

7.2

Recommended Operating Conditions

PARAMETER

SYMBOL

MIN

MAX

UNITS

COMMENTS

Operating

Temperature

070

°C

1.8V supply voltage

VDDA18PLL

VDD18

1.62

1.98

3.3V supply voltage

VDDA33

VDDA33PLL

VDD33

VDD33CR

3.0

3.6

Voltage on any I/O pin

-0.3

5.5

If any 3.3V supply voltage drops

be lo w 3.0 V, th en th e MAX

becomes:

(3.3V supply voltage + 0.5)

Voltage on XTAL1

-0.3

VDDA33

Voltage on XTAL2

-0.3

VDD18

Table 7.1 DC Electrical Characteristics

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

COMMENTS

I, IS Type Input Buffer

Low Input Level

High Input Level

Input Leakage

Hysteresis (‘IS’ Only)

VILI

VIHI

IIL

VHYSI

2.0

-10

250

300

0.8

+10

350

TTL Levels

VIN = 0 to VDD33

Input Buffer with Pull-Up

(IPU)

Low Input Level

High Input Level

Low Input Leakage

High Input Leakage

VILI

VIHI

IILL

IIHL

2.0

+26

-10

0.8

+72

+10

TTL Levels

VIN = 0

VIN = VDD33

Input Buffer with Pull-Down

IPD

Low Input Level

High Input Level

Low Input Leakage

High Input Leakage

VILI

VIHI

IILL

IIHL

2.0

+10

-22

0.8

-10

-82

TTL Levels

VIN = 0

VIN = VDD33

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