© 2006 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FM75 Rev. 1.0.8

2

Pin Assignments

Figure 2. Pin Assignments

Pin Descriptions

Pin #

Name

Direction

Description

1

SDA

Input/Output

Serial Data. Open drain to I/O-data pin for two-wire interface.

2SCL

Input

Serial Clock. Clock for two-wire serial interface.

3

OS

Output

Over-Limit Signal. Open drain thermostat output that indicates if

the temperature exceeds user-programmable limits. Default is

active LOW.

4

GND

Supply

Ground

5, 6, 7

A0, A1, A2

Input

Address Least Significant Bits (LSBs). User selectable address

pins for the three LSBs of the serial interface address.

Supply

Supply Voltage

V

DD

A0

A1

A2

SDA

SCL

OS

GND

1

2

3

4

8

7

6

5

FM75