 | |  | |
| PartNumber | M48T512Y-70PM1 | M48T512V-85PM1 | M48T512Y-PM1 |
| Description | Real Time Clock 4M (512Kx8) 70ns | Real Time Clock 4 MBIT 512 Kbitx8 TIMEKEEPER | |
| Manufacturer | STMicroelectronics | STMicroelectronics | - |
| Product Category | Real Time Clock | Real Time Clock | - |
| RoHS | T | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | PMDIP-32 | PMDIP | - |
| RTC Bus Interface | Parallel | Parallel | - |
| Time Format | HH:MM:SS | HH:MM:SS | - |
| Battery Backup Switching | Backup Switching | Backup Switching | - |
| RTC Memory Size | 4 MB | 524288 B | - |
| Supply Voltage Max | 5.5 V | 3.6 V | - |
| Supply Voltage Min | 4.5 V | 3 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Tube | Tube | - |
| Function | Calendar, Clock, NV Timekeeping RAM | Calendar, Clock, NV Timekeeping RAM | - |
| Series | M48T512Y | M48T512V | - |
| Brand | STMicroelectronics | STMicroelectronics | - |
| Product Type | Real Time Clocks | Real Time Clocks | - |
| Factory Pack Quantity | 12 | 12 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |