| PartNumber | M41T93SMY6F | M41T93SMY6E | M41T93SQA6F |
| Description | Real Time Clock Serial SPI bus RTC | 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 | Clock/Timing - Real Time Clocks |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOX-18 | SOX | - |
| RTC Bus Interface | Serial, SPI | Serial | SPI |
| Date Format | DW:DM:M:Y | - | YY-MM-DD-dd |
| Time Format | HH:MM:SS:hh | HH:MM:SS:hh | HH:MM:SS:hh (24 hr) |
| 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 | - |
| Supply Voltage Min | 3 V | 3 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tray | Digi-ReelR Alternate Packaging |
| Function | Alarm, Calendar, Clock, Interrupt | Alarm, Calendar, Clock, Interrupt | Alarm Calendar Clock Interrupt |
| Product | Real Time Clocks | - | Real Time Clocks |
| Series | M41T93 | M41T93 | M41T93 |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Product Type | Real Time Clock | Real Time Clocks | - |
| Factory Pack Quantity | 1000 | 44 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Type | - | - | Clock/Calendar |
| Unit Weight | - | - | 0.002014 oz |
| Package Case | - | - | QFN-16 |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer |
| Interface | - | - | SPI |
| Voltage Supply | - | - | 3 V ~ 5.5 V |
| Supplier Device Package | - | - | 16-QFN (4x4) |
| Memory Size | - | - | 7B |
| Voltage Supply Battery | - | - | 1.8 V ~ 5.5 V |
| Current Timekeeping Max | - | - | 10μA @ 5.5V |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 3 V |