ASIX ELECTRONICS CORPORATION

33

AX88772

USB to 10/100 Fast Ethernet/HomePNA Controller

8.0 Electrical Specifications

8.1 DC Characteristics

8.1.1

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

VDDK

Digital core power supply

- 0.3 to VDDK + 0.3

V

VDD2

Power supply of 2.5V I/O

- 0.3 to VDD2 + 0.3

V

VDD3

Power supply of 3.3V I/O

- 0.5 to VDD3 + 0.5

V

AVDDK

Analog core power supply

- 0.3 to AVDDK + 0.3

V

AVDD3

Power supply of analog I/O

- 0.5 to AVDD3 + 0.5

V

Input voltage of 2.5V I/O

- 0.3 to VDD2 + 0.3

V

Input voltage of 2.5V I/O with 3.3V tolerant

- 0.3 to 3.9

V

Input voltage of 3.3V I/O

- 0.3 to VDD3 + 0.3

V

Input voltage of 3.3V I/O with 5V tolerant

- 0.3 to 5.5

V

Storage temperature

- 40 to 150

℃

Note: Permanent device damage may occur if absolute maximum ratings are exceeded. Functional operation should be

restricted in the optional sections of this datasheet. Exposure to absolute maximum rating condition for extended periods

may affect device reliability.

8.1.2

Recommended Operating Condition

Symbol

Parameter

Min

Typ

Max

Unit

VDDK

Digital core power supply

2.25

2.5

2.75

V

VDD2

Power supply of 2.5V I/O

2.25

2.5

2.75

V

VDD3

Power supply of 3.3V I/O

3.0

3.3

3.6

V

AVDDK

Analog core power supply

2.25

2.5

2.75

V

AVDD3

Power supply of analog I/O

3.0

3.3

3.6

V

Input voltage of 2.5 V I/O

0

2.5

2.75

V

Input voltage of 2.5 V I/O with 3.3 V

tolerance

0

2.5

3.6

V

Input voltage of 3.3 V I/O

0

3.3

3.6

V

Input voltage of 3.3 V I/O with 5 V

tolerance

0

3.3

5.25

V

Commercial junction operating

temperature

0

-

115

℃

Commercial operating temperature

0

-

70

℃