FS5908

Rev. 1.2

4/22

4.

Ordering Information

FS5908

FS5908-P:

Lead Free

5.

Pin Configurations

1

2

3

4

8

7

6

5

A0

SCL

CS

VSS

SDA

ALARM

VDD

NC

6.

Pin Description

Pin

Name

Function

1

A0

The address lines of the chip controlled via I2C interface are A6, A5, A4, A3, A2, A1 and A0. A0 is

controlled by external pins. A6 ~ A1 can be setup by programming the PROM in the chip. When A0 is 0,

A6 ~ A1 is 100100. When A0 is 1, A6 ~ A1 ← PROM9<7:2>

2

SCL

Signal Clock Line of I2C Serial Transmission

3

CS

Chip Select (the chip is enabled when set to high)

4

VSS

Chip Negative Power Source Input Pin (0V)

5

NC

When in the normal operation, it connects to ground.

6

VDD

Chip Positive Power Source Input Pin (2.5V~5.5V)

7

ALARM

Overheat (Overcool) Warning Output Pin; Open-drain Output

8

SDA

Double Directions Data Transmission Line of I2C Serial Transmission