LM90CIMMX datasheet(2/20 Pages) NSC

Part #	LM90CIMMX

Description	3 Degree Celcious Accurate, Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface

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Manufacturer	NSC [National Semiconductor (TI)]

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Connection Diagram

MSOP-8

20033702

TOP VIEW

Ordering Information

Package

Marking

NS Package

Number

Transport

Media

LM90CIMM

T11C

MUA08A

(MSOP-8)

1000 Units on

Tape and Reel

LM90CIMMX

T11C

MUA08A

(MSOP-8)

3500 Units on

Tape and Reel

Pin Descriptions

Label

Pin #

Function

Typical Connection

V

DD

1

Positive Supply Voltage

Input

DC Voltage from 3.0 V to 3.6 V

D+

2

Diode Current Source

To Diode Anode. Connected to remote discrete

diode conected transistor junction or to the diode

connected transistor junction on a remote IC whose

die temperature is being sensed.

D−

3

Diode Return Current Sink

To Diode Cathode.

T_CRIT_A

4

T_CRIT Alarm Output,

Open-Drain, Active-Low

Pull-Up Resistor, Controller Interrupt or Power

Supply Shutdown Control

GND

5

Power Supply Ground

Ground

ALERT

6

Interrupt Output,

Open-Drain, Active-Low

Pull-Up Resistor, Controller Interrupt or Alert Line

SMBData

7

SMBus Bi-Directional Data

Line, Open-Drain Output

From and to Controller, Pull-Up Resistor

SMBCLK

8

SMBus Input

From Controller, Pull-Up Resistor

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