Description
The PCA2125 is a CMOS real-time clock/calendar optimized for low-power consumption and an operating temperature up to 125 °C.
Features
- I Provides year, month, day, weekday, hours, minutes and seconds based on 32.768 kHz quartz crystal I Resolution: seconds to years I Clock operating voltage: 1.3 V to 5.5 V I Low backup current: typical 0.55 µA at VDD = 3.0 V and Tamb = 25 °C I 3-line SPI-bus with separate combinable data input and output I Serial interface (at VDD = 1.6 V to 5.5 V) I 1 second or 1 minute interrupt output I Freely programmable timer with interrupt capability I Freely programmable alarm function with interrupt ca.
PCA2125 Datasheet
