Real Time Clock 4Meg, Nonvolatile, Y2K-Compliant Timekee
Products specifications
| RTC Bus Interface | Parallel |
| Battery Backup Switching | Backup Switching |
| Supply Voltage - Min | 4.5 V |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C |
| Packaging | Tray |
| Supply Voltage - Max | 5.5 V |
| RTC Memory Size | 524288 B |