应用手册
- How to use the digital calibration feature in TIMEKEEPER® and serial real-time clock (RTC) products
- Implementing a periodic alarm with TIMEKEEPER® and serial real-time clocks (RTCs)
- Managing century information using serial real-time clocks and TIMEKEEPER® NVRAMs
- Power-fail comparator for NVRAM supervisory devices
- AN1011 ST NVRAM 和实时时钟（RTC）产品中使用的电池技术
规格书
- 3.0/3.3 V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
- 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM
- Low-power serial real-time clock (RTC) with built-in battery switchover circuit
- Serial SPI bus real-time clock (RTC) with battery switchover
- Serial access real-time clock (RTC) with alarms