LAN9500AI datasheet(47/66 Pages) SMSC

47 / 66 page

USB 2.0 to 10/100 Ethernet Controller

Datasheet

SMSC LAN950x Family

Revision 1.1 (04-18-13)

DATASHEET

Chapter 8 Operational Characteristics

8.1

Absolute Maximum Ratings*

Supply Voltage (VDD33IO, VDD33A) (Note 8.1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to +3.6V

Positive voltage on signal pins, with respect to ground (Note 8.2) . . . . . . . . . . . . . . . . . . . . . . . . . . +6V

Negative voltage on signal pins, with respect to ground (Note 8.3) . . . . . . . . . . . . . . . . . . . . . . . . -0.5V

Positive voltage on XI, with respect to ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +4.6V

Positive voltage on XO, with respect to ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +2.5V

Ambient Operating Temperature in Still Air (TA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Note 8.4

Storage Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-55oC to +150oC

Lead Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Refer to JEDEC Spec. J-STD-020

HBM ESD Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..Note 8.5

IEC61000-4-2 Contact Discharge ESD Performance (Note 8.6) . . . . . . . . . . . . . . . . . . . . . . . . . .+/-8kV

IEC61000-4-2 Air-Gap Discharge ESD Performance (Note 8.6) . . . . . . . . . . . . . . . . . . . . . . . . .+/-15kV

Note 8.1

When powering this device from laboratory or system power supplies, it is important that

the absolute maximum ratings not be exceeded or device failure can result. Some power

supplies exhibit voltage spikes on their outputs when AC power is switched on or off. In

addition, voltage transients on the AC power line may appear on the DC output. If this

possibility exists, it is suggested that a clamp circuit be used.

Note 8.2

This rating does not apply to the following pins: XI, XO, EXRES, USBRBIAS.

Note 8.3

This rating does not apply to the following pins: EXRES, USBRBIAS.

Note 8.4

0oC to +70oC for commercial version, -40oC to +85oC for industrial version.

Note 8.5

+/-8kV for LAN9500/LAN9500i, +/-5kV for LAN9500A/LAN9500Ai

Note 8.6

Performed by independent 3rd party test facility.

*Stresses exceeding those listed in this section could cause permanent damage to the device. This is

a stress rating only. Exposure to absolute maximum rating conditions for extended periods may affect

device reliability. Functional operation of the device at any condition exceeding those indicated in

Section 8.2, "Operating Conditions**", Section 8.4, "DC Specifications", or any other applicable section

of this specification is not implied. Note, device signals are NOT 5 volt tolerant unless specified

otherwise.

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