| PartNumber | M48T12-150PC1 | M48T12-70PC1 | M48T12-200PC1 |
| Description | Real Time Clock 16K (2Kx8) 150ns | Real Time Clock 16K (2Kx8) 70ns | Real Time Clock 16K (2Kx8) 200ns |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Category | Real Time Clock | Real Time Clock | Real Time Clock |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | PCDIP-24 | PCDIP-24 | PCDIP-24 |
| RTC Bus Interface | Parallel | Parallel | Parallel |
| Date Format | DW:DM:M:Y | DW:DM:M:Y | - |
| Time Format | HH:MM:SS | HH:MM:SS | HH:MM:SS |
| Battery Backup Switching | Backup Switching | Backup Switching | Backup Switching |
| RTC Memory Size | 8 kB | 8 kB | 2048 B |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Function | Calendar, Clock, NV Timekeeping RAM | Calendar, Clock, NV Timekeeping RAM | Calendar, Clock, NV Timekeeping RAM |
| Product | Real Time Clocks | Real Time Clocks | - |
| Series | M48T12 | M48T12 | M48T12 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Type | Real Time Clock | Real Time Clock | Real Time Clocks |
| Factory Pack Quantity | 280 | 280 | 14 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | Clock & Timer ICs |
| Unit Weight | 1.279986 oz | 0.815993 oz | - |
| Packaging | - | Tube | Tube |