| PartNumber | M41T83RMY6F | M41T83RQA6F | M41T83RMY6E |
| Description | Real Time Clock Serial I2C bus RTC | Real Time Clock Battery Swtchovr-RTC | IC RTC CLK/CALENDAR I2C 18-SOX |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | Real Time Clock | Real Time Clock | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-18 | QFN-16 | - |
| RTC Bus Interface | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C | - |
| Date Format | DW:DM:M:Y | DW:DM:M:Y | - |
| Time Format | HH:MM:SS:hh | HH:MM:SS:hh | - |
| Battery Backup Switching | Backup Switching | Backup Switching | - |
| RTC Memory Size | 32 B | 32 B | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.7 V | 2.7 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Reel | Reel | - |
| Function | Alarm, Calendar, Clock, Timer Interrupt | Alarm, Calendar, Clock, Timer Interrupt | - |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | M41T83 | M41T83 | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Product Type | Real Time Clock | Real Time Clock | - |
| Factory Pack Quantity | 1000 | 1000 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Unit Weight | 0.007408 oz | 0.002014 oz | - |