USB2250 datasheet(32/36 Pages) SMSC

32 / 36 page

Ultra Fast USB 2.0 Multi-Format Flash Media Controller

Datasheet

Revision 2.6 (05-08-08)

SMSC USB2250/51/59

DATASHEET

Note 7.5

Output leakage is measured with the current pins in high impedance.

Note 7.6

See The USB 2.0 Specification, Chapter 7, for USB DC electrical characteristics

Note 7.7

RBIAS is a 3.3V tolerant analog pin.

Note 7.8

Output current range is controlled by program software.

Note 7.9

The assignment of each Integrated Card Power FET to a designated Card Connector is

controlled by both firmware and the specific board implementation. Firmware will default to

I/O12, I/O12PU & I/O12PD Type

Buffer

Low Output Level

High Output Level

Output Leakage

Pull Down

Pull Up

VOL

VOH

IOL

VDD33

- 0.4

-10

0.4

+10

µA

μA

IOL = 12mA @

VDD33= 3.3V

IOH = -12mA @

VDD33= 3.3V

VIN = 0 to VDD33

(Note 7.5)

IO-U

(Note 7.6)

I-R

(Note 7.7)

I/O200

Integrated Power FET for

GPIO8, GPIO9, GPIO10, &

GPIO11

High Output Current Mode

Short Circuit Current Limit 200mA

Low Output Current Mode

Short Circuit Current Limit 100mA

(Note 7.8)

On Resistance

(Note 7.8)

Output Voltage Rise Time

IOUT

ISC200

IOUT

ISC100

RDSON

tDSON

200

100

TBD

2.1

800

μs

VdropFET = 0.46V

VoutFET = 0V

VdropFET = 0.23V

VoutFET = 0V

IFET = 70mA

CLOAD = 10μF

Supply Current Unconfigured

ICCINIT

Supply Current Active

Full Speed

High Speed

ICC

110

135

140

165

VDD, VDDP = 1.8V

VDD33, VDDA = 3.3V

Supply Current Standby

ICSBY

350

750

µA

VDD, VDDP = 1.8V

VDD33, VDDA = 3.3V

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

COMMENTS

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