Description
PT7C43390/43390C |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||.
The PT7C43390 is a CMOS I2C-bus real-time clock IC, which operates with the very low current consumption and in the wide range of operation voltage.
Features
* Low current consumption: 0.3µA typ. (VDD=3.0V, TA = 25°C)
* Wide operating voltage range: 1.35 to 5.5 V
* Minimum time keeping operation voltage: 1.25 V
* Built-in clock adjustment function
* Built-in free user register
* 2-wire (I2C-bus) CPU interface
* Built-in alarm
Applications
* Mobile game device, mobile phone
* Industrial control
* Electronic power meter
* DVD recorder
* Car navigation