BUY DS1307N https://www.utsource.net/itm/p/11773189.html
Description: The DS1307N is a Real-Time Clock (RTC) IC from Maxim Integrated. It is a low-power, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM.
Features:
- Low power consumption
- I2C interface
- 56 bytes of NV SRAM
- Battery backup
- Operating temperature range of -40°C to +85°C
Applications:
- Automotive
- Industrial
- Consumer
- Medical
- Wearable
(For reference only)