| PartNumber | M41T93RQA6F | M41T93RMY6F | M41T93RMY6E |
| Description | Real Time Clock SPI RTC 32.768 kHz 365nA 2.0V to 5.5V | Real Time Clock Serial SPI bus RTC | Real Time Clock Serial SPI bus RTC |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-16 | SOIC-18 | SOX |
| RTC Bus Interface | Serial, SPI | Serial, SPI | Serial |
| Date Format | DW:DM:M:Y | DW:DM:M:Y | - |
| Time Format | HH:MM:SS:hh | HH:MM:SS:hh | HH:MM:SS:hh |
| Battery Backup Switching | Backup Switching | Backup Switching | Backup Switching |
| RTC Memory Size | 32 B | 32 B | 32 B |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 2.7 V | 2.7 V | 2.7 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Reel | Tube |
| Function | Alarm, Calendar, Clock, Interrupt | Alarm, Calendar, Clock, Timer Interrupt | Alarm, Calendar, Clock, Interrupt |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | M41T93 | M41T93 | M41T93 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clocks |
| Factory Pack Quantity | 1000 | 1000 | 44 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Unit Weight | 0.002014 oz | 0.007408 oz | - |
| Operating Supply Current | - | 365 nA | - |