CM220L 查看數據表（PDF） - C-Media Electronics

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CM220L

Updateable USB2.0 Card Reader Controller

C-Media Electronics 

CM220

Updateable USB2.0 Card Reader Controller

5.ELECTRICAL CHARACTERISTICS

‹Absolute Maximum Ratings

SYMBOL

PARAMETER

VCC Power Supply

Input Voltage of 3.3V I/O

VIN3 Input Voltage of 3.3V I/O with 5V

Tolerance

TSTG Storage Temperature

RATING

-0.3 to VCC+0.3

-0.3 to VCC3I+0.3

-0.3 to 5.5

-40 to 150

UNITS

V

V

V

℃

‹Recommended Operating Conditions

SYMBOL

PARAMETER

VCCK Core Power Supply

VCC3V Power Supply 3.3V I/O

Input Voltage of 3.3V I/O with 5V

VIN

Tolerance

Commercial Junction Operating

Tj

Temperature

MIN

TYP

MAX UNITS

2.25

2.5

2.75

V

3.0

3.3

3.6

V

0

3.3

5.25

V

0

115

℃

‹DC Characteristcs of 3.3V I/O cells

SYMBOL

PARAMETER

CONDITIONS MIN TYP MAX UNITS

V25 Regulator output voltage

VCC=3.3V

2.2 2.5 2.7 V

V I25 load Regulator driving current

VCC=3.3V

150 mA

VIL Input Low Voltage

VIH Input High Voltage

0.8 V

LVTTL

2.0

V

Schmitt Trigger Negative Going

Vt-

Threshold Voltage

Schmitt Trigger Positive Going

Vt+

Threshold Voltage

LVTTL

0.8 1.1

V

1.6 2.0 V

VOL Output Low Voltage

∣IOL∣=2 ~ 16mA

0.4 V

VOH Output High Voltage

∣IOH∣=2 ~ 16mA 2.4

V

Rpu Input Pull-Up Resistance

PU=high,PD=low 40 75 190 KΩ

Rpd Input Pull-Down Resistance

IIL

Input Leakage Current

PU=low,PD=high 40 75 190 KΩ

Vin=VCC3I or 0 -10 ±1 10 µA

Date: 8/2/2005

Version: 1.4

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