USB2503 datasheet(40/43 Pages) SMSC

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Integrated USB 2.0 Compatible 3-Port Hub

Datasheet

Revision 2.3 (08-27-07)

SMSC USB2503/USB2503A

DATASHEET

ICLK Input Buffer

Low Input Level

High Input Level

Input Leakage

Hysteresis

VILCK

VIHCK

IIL

VHYSC

2.0

-10

0.8

+10

100

TTL Levels

VIN = 0 to VDD33CR

O12 and I/O12 Type Buffer

Low Output Level

High Output Level

Output Leakage

VOL

VOH

IOL

2.4

0.4

+10

IOL = 12mA @ VDD33CR = 3.3V

IOH = -4mA @ VDD33CR = 3.3V

VIN = 0 to VDD33CR

(Note 1)

I/OSD12 Type Buffer

Low Output Level

Output Leakage

Hysteresis

VOL

IOL

VHYSI

-10

250

300

0.4

+10

350

µA

IOL = 12 mA @ VDD33CR = 3.3V

VIN = 0 to VDD33CR

(Note 1)

IO-U

(Note 2)

I-R

(Note 3)

Supply Current Unconfig-

ured

High-Speed Host

Full-Speed Host

ICCINIT

100

Supply Current

Configured

(High-Speed Host)

2 Ports @ FS/LS

2 Ports @ HS

1 Port HS, 1 Port FS/LS

3 Ports @ HS

IHCC2

IHCH2

IHCH1C1

IHCH3

190

235

215

265

Total from all supplies

Table 7.1 DC Electrical Characteristics (continued)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

COMMENTS

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