LAN9220 datasheet(126/142 Pages) MICROCHIP

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LAN9220

DS00002417A-page 126

 2006-2017 Microchip Technology Inc.

7.0

OPERATIONAL CHARACTERISTICS

7.1

Absolute Maximum Ratings*

Supply Voltage (VDDVARIO, VDD33REG, VDD33A) (Note 7-1)................................................................... 0V to +3.6V

Positive voltage on signal pins, with respect to ground (Note 7-2)..............................................................................+6V

Negative voltage on signal pins, with respect to ground (Note 7-3) ......................................................................... -0.5V

Positive voltage on XTAL1/CLKIN, with respect to ground ......................................................................................+4.6V

Positive voltage on XTAL2, with respect to ground ..................................................................................................+2.5V

Ambient Operating Temperature in Still Air (TA).......................................................................................... 0

oC to +70oC

Storage Temperature............................................................................................................................. .-65oC to +150oC

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

HBM ESD Performance .........................................................................................................................................+/- 5kV

Note 7-1

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 7-2

This rating does not apply to the following pins: XTAL1/CLKIN, XTAL2, EXRES.

Note 7-3

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

*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 7.2, "Operating Conditions**", Section 7.6,

"DC Electrical Specifications", or any other applicable section of this specification is not implied.

7.2

Operating Conditions**

Supply Voltage (VDDVARIO) .................................................................................................................. +1.62V to +3.6V

Supply Voltage (VDD33REG, VDD33A)................................................................................................... +3.3V+/-300mV

Ambient Operating Temperature in Still Air (TA).......................................................................................... 0

oC to +70oC

Note 7-4

Do not drive input signals without power supplied to the device.

**Proper operation of the LAN9220 is ensured only within the ranges specified in this section.

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