Ordering Information

Part Number

Package

Marking

NS Package

Number

Transport

Media

SMBus Device Address

Address Pin

Device Address

LM73CIMK-0

T730

MK06A

(Thin SOT23-6)

1000 Units on

Tape and Reel

Float

Ground

V

DD

1001 000

1001 001

1001 010

LM73CIMKX-0

T730

MK06A

(Thin SOT23-6)

3000 Units on

Tape and Reel

Float

Ground

V

DD

1001 000

1001 001

1001 010

LM73CIMK-1

T731

MK06A

(Thin SOT23-6)

1000 Units on

Tape and Reel

Float

Ground

V

DD

1001 100

1001 101

1001 110

LM73CIMKX-1

T731

MK06A

(Thin SOT23-6)

3000 Units on

Tape and Reel

Float

Ground

V

DD

1001 100

1001 101

1001 110

Note 1: Available in RoHS-compliant packages. More details at www.national.com.

Pin Descriptions

Label

Pin #

Type

Equivalent Circuit

Function

ADDR

1

Logic Input, three

levels

Address Select Input: One of three

device addresses is selected by

connecting to ground, left floating, or

connecting to V

GND

2

Ground

Ground

V

DD

3

Power

Supply Voltage

SMBCLK

4

CMOS Logic

Input

Serial Clock: SMBus clock signal.

Operates up to 400 kHz. Low-pass

filtered.

ALERT

5

Open-Drain

Output

Digital output which goes active

whenever the measured temperature

exceeds a programmable

temperature limit.

SMBDAT

6

Open-Drain

Input/Output

Serial Data: SMBus bi-directional

data signal used to transfer serial

data synchronous to the SMBCLK.

Low-pass filtered.

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