4th Generation USB 2.0 Flash Media Controller with Integrated Card Power FETs & HS Hub

Datasheet

7.2Operating Conditions

PARAMETER

SYMBOL

MIN

MAX

UNITS

 

COMMENTS

Operating Temperature

TA

0

70

°C

*Ambient temperature in still air.

1.8V supply voltage

VDD18,

1.62

1.98

V

 

 

 

VDD18PLL

 

 

 

 

 

3.3V supply voltage

VDD33,

3.0

3.6

V

 

 

 

VDDA33

 

 

 

 

 

3.3V supply rise time

tRT

0

400

μs

(See Figure 7.1, "Supply Rise Time

 

 

 

 

 

Model")

 

Voltage on XTAL1

 

-0.3

VDDA33

V

 

 

 

Voltage

 

tRT

 

 

 

 

 

 

 

 

 

 

VDD33

 

 

 

3.3V

100%

 

 

 

 

 

 

 

 

 

 

 

90%

 

VSS

10%

t10%

t90%

Time

Figure 7.1 Supply Rise Time Model

Note 7.3 When powering the device, the maximum power supply ramp time should be set at a rate faster than 400 micro seconds. This speed is important to ensure that the device resets properly. Measure rise time at 10% and 90%.

7.3DC Electrical Characteristics

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

COMMENTS

 

 

 

 

 

 

 

I,IPU & IPD Type Input Buffer

 

 

 

 

 

 

Low Input Level

VILI

 

 

0.8

V

TTL Levels

High Input Level

VIHI

2.0

 

 

V

 

Pull Down

PD

 

72

 

μA

 

Pull Up

PU

 

58

 

μA

 

 

 

 

 

 

 

 

Revision 1.6 (06-20-08)

22

SMSC USB2601/USB2602

 

DATASHEET