LAN9730 datasheet(195/222 Pages) MICROCHIP

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DS00001946A-page 195

LAN9730/LAN9730i

7.0

OPERATIONAL CHARACTERISTICS

7.1

Absolute Maximum Ratings*

+3.3 V Supply Voltage (VDD33IO, VDD33A) Note 7-1.................................................................................... 0 V to +3.6 V

+1.2 V Supply Voltage (VDD12CORE, VDD12PLL, VDD12USBPLL, VDD12A) Note 7-1.................................... 0 V to +1.5 V

Positive voltage on input signal pins, with respect to ground Note 7-2 ................................................. VDD33IO + 2.0 V

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

Positive voltage on XI, with respect to ground ............................................................................................ VDD12CORE

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

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

HBM ESD Performance ........................................................................................................................ .JEDEC Class 3A

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 to use a clamp circuit.

Note 7-2

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

HSIC_DATA.

Note 7-3

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

* 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 7.4,

"DC Specifications", or any other applicable section of this specification is not implied. Note, device signals are NOT 5

Volt tolerant unless specified otherwise.

7.2

Operating Conditions**

+3.3 V Supply Voltage (VDD33IO, VDD33A) ................................................................................................ +3.3 V +/-10%

+1.2 V Supply Voltage (VDD12CORE, VDD12PLL, VDD12USBPLL, VDD12A) ........................................... +1.2 V +10%/-5%

Ambient Operating Temperature in Still Air (TA)................................................................................................. Note 7-4

Note 7-4

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

** Proper operation of the device is guaranteed only within the ranges specified in this section.

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