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EMC1402-1-ACZL-TR

1°C Temperature Sensor with Beta Compensation

SMSC -> Microchip 

Chapter 2 Pin Description

1°C Temperature Sensor with Beta Compensation

Datasheet

VDD 1

DP 2

DN 3

THERM 4

8 SMCLK

7 SMDATA

6 ALERT

5 GND

Figure 2.1 EMC1402 Pin Diagram

PIN NUMBER

1

2

3

4

5

6

7

8

Table 2.1 EMC1402 Pin Description

NAME

VDD

DP

DN

THERM

GND

ALERT

SMDATA

SMCLK

FUNCTION

TYPE

Power supply

External diode positive (anode)

connection

External diode negative (cathode)

connection

Active low Critical THERM output

signal - requires pull-up resistor

Ground

Active low digital ALERT output

signal - requires pull-up resistor

SMBus Data input/output - requires

pull-up resistor

SMBus Clock input - requires pull-

up resistor

Power

AIO

AIO

OD (5V)

Power

OD (5V)

DIOD (5V)

DI (5V)

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 below:

Power - these pins are used to supply either VDD or GND to the device.

AIO - Analog Input / Output.

DI - Digital Input.

OD - Open Drain Digital Output.

DIOD - Digital Input / Open Drain Output.

Revision 2.0 (08-10-12)

8

DATASHEET

SMSC EMC1402

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