SMSC DS – USB97CFDC2-01

Page 19

Rev. 02-27-07

DATASHEET

10 USB PARAMETERS

The following tables and diagrams were obtained from the USB specification

10.1 USB DC PARAMETERS

0.0

0.2

0.4

0.6

0.8

1.0

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

3.0

3.2

Common Mode Input Voltage (volts)

FIGURE 4 - DIFFERENTIAL INPUT SENSITIVITY OVER ENTIRE COMMON MODE RANGE

Table 4 - DC Electrical Characteristics

PARAMETER

SYMBOL

CONDITIONS

(NOTE 1, 2)

MIN

TYP

MAX

UNIT

Supply Voltage

Powered (Host or Hub) Port

VBUS

4.4

5.25

V

Supply Current

Function

ICC

Note 4

100

mA

Un-configured Function (in)

ICCINIT

Note 5

100

uA

Suspend Device

ICCS

100

uA

Leakage Current

Hi-Z State Data Line

Leakage

ILO

0 V < VIN < 3.3

V

-10

10

uA

Input Levels

Differential Input Sensitivity

VDI

|(D+) - (D-)|, and

FIGURE 4

0.2

V

Differential Common Mode

Range

VCM

Includes VDI

range

0.8

2.5

V

Single Ended Receiver

Threshold

VSE

0.8

2.0

V

Output Levels

Static Output Low

VOL

RL of 1.5 K

Ω to

3.6 V

0.3 (3)

V

Static Output High

VOH

RL of 15 K

Ω to

GND

2.8

3.6 (3)

V

Capacitance