LAN91C111 datasheet(96/125 Pages) MICROCHIP

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DS00002276A-page 97

LAN91C111

13.0

OPERATIONAL DESCRIPTION

13.1

Maximum Ratings*

*Stresses above those listed above could cause permanent damage to the device. This is a stress rating only and func-

tional operation of the device at any other condition above those indicated in the operation sections of this specification

is not implied.

13.2

DC Electrical Characteristics

(VCC = +3.3.0 V ± 10%)

Operating Temperature Range

C to +70C for LAN91C111 (-40C to 85C

for LAN91C111I)

Storage Temperature Range

-55C

 to + 150C

Lead Temperature Range (soldering, 10 seconds)

+325

C

Positive Voltage on any pin, with respect to Ground

VCC + 0.3V

Negative Voltage on any pin, with respect to Ground

-0.3V

Maximum VCC

+5V

Note:

When powering this device from laboratory or system power supplies, it is important that the Absolute Max-

imum Ratings not be exceeded or device failure can result. Some power supplies exhibit voltage spikes on

their outputs when the 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.

Parameter

Symbol

MIN

TYP

MAX

Unit

Comments

I Type Input Buffer

Low Input Level

High Input Level

VILI

VIHI

2.0

0.8

TTL Levels

IS Type Input Buffer

Low Input Level

High Input Level

Schmitt Trigger Hysteresis

VILIS

VIHIS

VHYS

2.2

250

0.8

Schmitt Trigger

ICLK Input Buffer

Low Input Level

High Input Level

VILCK

VIHCK

2.2

0.8

Input Leakage

(All I and IS buffers except

pins with

pullups/pulldowns)

Low Input Leakage

High Input Leakage

IIL

IIH

-10

+10

µA

VIN = 0

VIN = VCC

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