MIC184

Micrel

MIC184

2

November 2000

Pin Description

Pin Number

Pin Name

Pin Function

1

DATA

Data (Digital I/O): Open-drain. Serial data input/output.

2

CLK

Clock (Digital Input): The host provides the serial bit clock on this input.

3

INT

Interrupt (Digital Output): Open-drain. Interrupt or thermostat output.

4

GND

Ground: Power and signal return for all IC functions.

5

A2/T1

Address Bit 2 (Digital Input): Slave address selection input. See “Slave

Address Truth Table.”

Temperature Sensor 1 (Analog Input): Input from remote temperature sensor

(diode junction).

6

A1

Address Bit 1 (Digital Input): Slave address selection input. See “Slave

Address Truth Table.”

7

A0

Address Bit 0 (Digital Input): Slave address selection input. See “Slave

Address Truth Table.”

8

VDD

Supply (Analog Input): Power supply input to the IC.

Pin Configuration

1

DATA

CLK

INT

GND

8

VDD

A0

A1

A2/T1

7

6

5

2

3

4