LM95233 datasheet(3/5 Pages) NSC

3 / 5 page

Pin Descriptions (Continued)

Label

Pin #

Function

Typical Connection

D2+

Diode Current Source

To second Diode Anode. Connected to remote

discrete diode-connected transistor junction or to the

diode-connected transistor junction on a remote IC

whose die temperature is being sensed. A capacitor

is not required between D2+ and D-. A 100 pF

capacitor between D2+ and D- can be added and

may improve perfomance in noisy systems. Float

this pin if this thermal diode is not used.

D1+

Diode Current Source

To first Diode Anode. Connected to remote discrete

diode-connected transistor junction or to the

diode-connected transistor junction on a remote IC

whose die temperature is being sensed. A capacitor

is not required between D1+ and D-. A 100 pF

capacitor between D1+ and D- can be added and

may improve perfomance in noisy systems. Float

this pin if this thermal diode is not used.

GND

Power Supply Ground

System low noise ground.

Dgital Input

SMBus slave address select pin. Selects one of

three addresses. Can be tied to V

DD, GND, or to the

middle of a resistor divider connected between V

and GND.

TCRIT1

Digital Output, Open-Drain

Critical temperature output 1. Requires pull-up

resistor. Active "LOW".

TCRIT2

Digital Output, Open-Drain

Critical temperature output 2. Requires pull-up

resistor. Active "LOW".

SMBDAT

SMBus Bi-Directional Data

Line, Open-Drain Output

From and to Controller; may require an external

pull-up resistor

SMBCLK

SMBus Clock Input

From Controller; may require an external pull-up

resistor

TCRIT3

Digital Output, Open-Drain

Critical temperature output 3. Requires pull-up

resistor. Active "LOW".

LM95233 Datasheet(PDF) 3 Page - National Semiconductor (TI)

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