DS3231SN in DS3231 / DS1307 RTC Family
The DS3231SN family, manufactured by Maxim Integrated (now Analog Devices), consists of extremely accurate I2C real-time clocks (RTCs) with integrated temperature-compensated crystal oscillators (TCXOs). Unlike standard RTCs that rely on external crystals, these components include the resonator and internal compensation logic to minimize timing drift caused by temperature fluctuations. They provide high-precision timekeeping, typically maintaining accuracy within plus or minus 2 minutes per year over the industrial temperature range, making them essential for high-reliability embedded systems.
Variants in This Sub-Family
| Part Number | Difference | Stock |
|---|---|---|
| DS3231SN# (Analog Devices / Maxim Integrated) | # | 5,751 |
Variants within the DS3231SN sub-family typically differ by their packaging standards and environmental compliance certifications. The 'SN' suffix denotes a 16-pin SOIC package rated for the industrial temperature range of -40°C to +85°C. The '#' symbol indicates lead-free (RoHS) compliance. While internal functionality remains identical across these specific variants, engineers must verify specific suffix codes for tape-and-reel versus tube packaging options during mass production procurement.
