| PartNumber | M48T37V-10MH1F | M48T37V-10MH1E |
| Description | Real Time Clock 256K (32Kx8) 100ns | Real Time Clock 256K (32Kx8) 100ns |
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Category | Real Time Clock | Real Time Clock |
| RoHS | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-44 | SOH-44 |
| RTC Bus Interface | Parallel | Parallel |
| Time Format | HH:MM:SS | HH:MM:SS |
| Battery Backup Switching | Backup Switching | Backup Switching |
| RTC Memory Size | 256 kB | 32 kB |
| Supply Voltage Max | 3.6 V | 3.6 V |
| Supply Voltage Min | 3 V | 3 V |
| Minimum Operating Temperature | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C |
| Packaging | Reel | Tube |
| Function | Alarm, Calendar, Clock, NV Timekeeping RAM, Watchdog Timer | Alarm, Calendar, Clock, NV Timekeeping RAM, Watchdog Timer |
| Product | Real Time Clocks | - |
| Series | M48T37V | M48T37V |
| Brand | STMicroelectronics | STMicroelectronics |
| Moisture Sensitive | Yes | Yes |
| Product Type | Real Time Clock | Real Time Clocks |
| Factory Pack Quantity | 936 | 28 |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs |
| Date Format | - | DW:DM:M:Y |