DS3231SN. Assembly/installation: surface-mounted component (SMD). Equivalents: DS3231S (0°C to +70°C). Housing (according to data sheet): SO-16 ( W16#H2 ). Housing: SO. Marking on the case: DS3231N. Number of terminals: 16. Operating temperature: -40...+85°C. RoHS: yes. VCC: 2.3...5.5V. Original product from manufacturer: Maxim - Dallas. Quantity in stock updated on 13/11/2025, 11:43