EMC1413 datasheet(9/52 Pages) SMSC

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Multiple Channel 1°C Temperature Sensors with Beta Compensation

Datasheet

SMSC EMC1413 / EMC1414

Revision 1.41 (02-23-12)

DATASHEET

APPLICATION NOTE: For the 5V tolerant pins that have a pull-up resistor (SMCLK, SMDATA, THERM, and

ALERT), the voltage difference between VDD and the pull-up voltage must never exceed

3.6V.

The pin types are described Table 3.2.

THERM / ADDR

THERM - Critical THERM output signal - requires

pull-up resistor

OD (5V)

ADDR - Selects SMBus address based on pull-

up resistor

OD (5V)

8ALERT

Active low digital ALERT output signal - requires

pull-up resist

OD (5V)

9SMDATA

SMBus Data input/output - requires pull-up

resistor

DIOD (5V)

SMCLK

SMBus Clock input - requires pull-up resistor

DI (5V)

Bottom Pad

Exposed Pad

Not internally connected, but recommend

grounding.

Table 3.2 Pin Types

PIN TYPE

DESCRIPTION

Power

This pin is used to supply power or ground to the device.

AIO

Analog Input / Output -This pin is used as an I/O for analog signals.

Digital Input - This pin is used as a digital input. This pin is 5V tolerant.

DIOD

Digital Input / Open Drain Output - This pin is used as a digital I/O. When it is used as

an output, it is open drain and requires a pull-up resistor. This pin is 5V tolerant.

Open Drain Digital Output - This pin is used as a digital output. It is open drain and

requires a pull-up resistor. This pin is 5V tolerant.

Table 3.1 EMC1413 / EMC1414 Pin Description (continued)

PIN NUMBER

NAME

FUNCTION

TYPE

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