| PartNumber | M41T00SM6E | M41T00SC64MY6E | M41T00SC64MY6F |
| Description | Real Time Clock 2.0 to 5.5V 64 (8X8) | EEPROM SERIAL REAL TIME CLOCK 64Kb EEPROM | EEPROM 64 Kbit EEPROM |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Real Time Clock | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-8 | SOX-18 | SOX-18 |
| RTC Bus Interface | Serial, 2-Wire, I2C | - | - |
| Date Format | DW:DM:M:Y | - | - |
| Time Format | HH:MM:SS | - | - |
| Battery Backup Switching | Backup Switching | - | - |
| RTC Memory Size | 8 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 | Tube | Tube | Reel |
| Function | Calendar, Clock | - | - |
| Series | M41T00S | M41T00S | M41T00S |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Type | Real Time Clocks | EEPROM | EEPROM |
| Factory Pack Quantity | 100 | 44 | 1000 |
| Subcategory | Clock & Timer ICs | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.019048 oz | - | - |
| Memory Size | - | 64 kbit | 64 kbit |
| Organization | - | 8 k x 8 | 8 k x 8 |
| Access Time | - | 900 ns | 900 ns |
| Data Retention | - | 40 Year | 40 Year |
| Maximum Clock Frequency | - | 0.4 MHz | 0.4 MHz |
| Supply Current Max | - | 2 mA | 2 mA |
| Height | - | 2.34 mm | 2.34 mm |
| Length | - | 11.61 mm | 11.61 mm |
| Width | - | 7.62 mm | 7.62 mm |
| Operating Supply Current | - | 2 mA | 2 mA |
| Operating Supply Voltage | - | 3.3 V, 5 V | 3.3 V, 5 V |