USB3280 datasheet(12/42 Pages) SMSC

12 / 42 page

Hi-Speed USB Device PHY with UTMI Interface

Datasheet

Revision 1.2 (10-27-06)

SMSC USB3280

DATASHEET

Chapter 5 Limiting Values

Note: In accordance with the Absolute Maximum Rating system (IEC 60134)

Table 5.1 Absolute Maximum Ratings

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Maximum DP and DM

voltage to Ground

VMAX_5V

-0.3

5.5

Maximum VDD1.8 and

VDDA1.8 voltage to Ground

VMAX_1.8V

-0.3

2.5

Maximum 3.3V Supply

Voltage to Ground

VMAX_3.3V

-0.3

4.0

Maximum I/O Voltage to

Ground

-0.3

4.0

Storage Temperature

TSTG

-55

150

ESD PERFORMANCE

All Pins

VHBM

Human Body Model

±5

LATCH-UP PERFORMANCE

All Pins

ILTCH_UP

EIA/JESD 78, Class II

150

Table 5.2 Recommended Operating Conditions

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

3.3V Supply Voltage

(VDD3.3 and VDDA3.3)

VDD3.3

3.0

3.3

3.6

Input Voltage on Digital Pins

0.0

VDD3.3

Input Voltage on Analog I/O

Pins (DP, DM)

VI(I/O)

0.0

VDD3.3

Ambient Temperature

-40

Table 5.3 Recommended External Clock Conditions

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

System Clock Frequency

XO driven by the external

clock; and no connection at XI

(±100ppm)

MHz

System Clock Duty Cycle

XO driven by the external

clock; and no connection at XI

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