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Intelligent stick, Dc characteristics, Recommended operating conditions – PQI Intelligent Stick 2.0 Plus User Manual

Page 6: Pin assignments

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Intelligent Stick™

Rev. A.0

3/4 Sep 2006

1

2

3

4

6. DC Characteristics

Symbol

Parameter

Min.

Max.

Unit

Notes

VDD Power

Supply

3

3.3

3.6

VIH

Input Voltage

0.9 X VDD

--

5

VIL

Input Voltage

-0.3

--

0.2 X VDD

VOH

Output Voltage

VDD – 0.4

--

--

VOL Output

Voltage

--

--

0.4

ILK

Input leakage current

-1

--

1

IRW

Working

Current

-- --

IOH

IO output current

--

4

--

IOL

IO output current

--

4

--

VIH

Input Voltage

0.9 X VDD

--

5



7. Recommended Operating Conditions

Symbol

Parameter

Min.

Typical

Max.

Units

Vcc

33

Power

Supply

Voltage

3.0 3.3 3.3 V

Vin Input

Voltage

0

Vcc Vcc+0.3 V

Vcc

25

Internal

Power

Support

2.25

2.5

2.75

v



8. Pin Assignments

Pin No.

Pin Name

Function

1

VCC

USB power input

2

USB D-

USB differential signal

3

USB D+

The pairs are used to transmit Data/Address/Command

4 VSS

Ground