8592
The WF8592A is an I2 C-bus*1 serial interface conforming, high-precision real-time clock (RTC) IC with a built-in 32.768 kHz digital temperature-compensated, crystal oscillator circuit. In addition to clock and calendar functions, it is equipped with an alarm interrupt function, fixed-cycle timer interrupt function, time update interrupt function, clock output function, and supply voltage detection function. *1. I2 C-bus is a registered trademark of NXP Semiconductors.
8592.pdf
Datasheets
8592.pdfKey Features
- High frequency accuracy: ±3.0ppm (-10 to +60°C), ±5.0ppm (-40 to +85°C)
- Temperature compensation operating supply voltage: 2.0 to 5.5V
- Clock operating supply voltage: 1.3 to 5.5V
- I2 C-bus serial interface operating supply voltage: 1.5 to 5.5V
- I2 C-bus serial interface corresponding to fast data transfer: 400 kHz fast-mode compatible
- Low current consumption: 0.6µA (typical) (VDD=3V, 30s temperature compensation interval, clock output disabled)
- Clock function: hour, minute, second
- Calendar function with auto leap year adjustment: year, month, day, day of week
- Alarm interrupt function: day, day of week, hour, minute
- Time update interrupt function: minute, second
- Fixed-cycle timer interrupt function: 244.14µs to 255min
- Clock output function: 32.768 kHz, 1024Hz, 32Hz, 1Hz
- Supply voltage detection function: 2.0V temperature compensation operating voltage detection, 1.5V low supply voltage detection
- -40 to 85°C operating temperature range
Applications
- Industrial
- Remote equipment installations
- Wireless security
Benefits
- Best of class performance
- Excellent temperature stability
- Full featured RTC
- low current consumption
