Connect to the 0V (ground) of the power supply in your circuit

Connect this pin to the 'I2C Data' (SDA) signal of the controller

Connect this pin to the 'I2C Clock' (SCL) signal of the controller

This pin is used to write protect this device. Connect this pin to a digital output pin of the controller or the positive rail or 0V (ground) of your power supply. When presented with a logic high signal or connected to the postive rail the EEPROM will be write protected and memory contents cannot be altered

Connect to the positive rail of the power supply in your circuit