EMC1072-1-ACZL-TR datasheet(8/36 Pages) SMSC

Part #	EMC1072-1-ACZL-TR

Description	1째C Temperature Sensor with Selectable Address

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Manufacturer	SMSC [SMSC Corporation]

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1°C Temperature Sensor with Selectable Address

Datasheet

Revision 1.39 (10-11-10)

8

SMSC EMC1072

DATASHEET

Chapter 2 Pin Description

The pin types are described below. All pins labelled with (5V) are 5V tolerant.

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.

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.

Figure 2.1 EMC1072 Pin Diagram

Table 2.1 EMC1072 Pin Description

PIN NUMBER

NAME

FUNCTION

TYPE

1

VDD

Power supply

Power

2

DP

External diode positive (anode)

connection

AIO

3

DN

External diode negative (cathode)

connection

AIO

4

THERM / ADDR

Active low Critical THERM output

signal - requires pull-up resistor to

set SMBus Address

OD (5V)

5

GND

Ground

Power

6

ALERT

Active low digital ALERT output

signal - requires pull-up resistor

OD (5V)

7

SMDATA

SMBus Data input/output

DIOD (5V)

8

SMCLK

SMBus Clock input

DI (5V)

SM DA T A

SM CL K

AL E R T

VD D

DP

DN

TH ER M / AD D R

GN D

1

2

3

4

5

8

7

6

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EMC1072-1-ACZL-TR Datasheet(PDF) 8 Page - SMSC Corporation

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