 | |  | |
| PartNumber | DS1554W-120+ | DS1554W-120IND+ | DS1554WD-120IND |
| Description | Real Time Clock 256kB NV RAM Timekeeper | Real Time Clock 256kB NV RAM Timekeeper | |
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Real Time Clock | Real Time Clock | - |
| RoHS | Y | Y | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | eDIP-32 | eDIP-32 | - |
| RTC Bus Interface | Parallel | Parallel | - |
| Time Format | HH:MM:SS | HH:MM:SS | - |
| RTC Memory Size | 32768 B | 32768 B | - |
| Supply Voltage Max | 3.63 V | 3.63 V | - |
| Supply Voltage Min | 2.97 V | 2.97 V | - |
| Minimum Operating Temperature | 0 C | - 40 C | - |
| Maximum Operating Temperature | + 70 C | + 85 C | - |
| Packaging | Tube | Tube | - |
| Function | Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper | Calendar, Clock, NV Timekeeping RAM, Watchdog Timekeeper | - |
| Product | Real Time Clocks | - | - |
| Series | DS1554W | DS1554W | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Product Type | Real Time Clock | Real Time Clocks | - |
| Factory Pack Quantity | 12 | 11 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Part # Aliases | 90-1554W+120 DS1554W | 90-1554W+12I DS1554W | - |