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| PartNumber | DS1553WP-120 | DS1553WP-150+ | DS1553WP-150 |
| Description | Real Time Clock 64kB NV RAM Timekeeper | Real Time Clock 64kB NV RAM Timekeeper | IC RTC CLK/CALENDAR PAR 34-PCM |
| Manufacturer | Maxim Integrated | Maxim Integrated | - |
| Product Category | Real Time Clock | Real Time Clock | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | PowerCap | PowerCap-34 | - |
| RTC Bus Interface | Parallel | Parallel | - |
| Time Format | HH:MM:SS | HH:MM:SS | - |
| RTC Memory Size | 8192 B | 8192 B | - |
| Supply Voltage Max | 3.63 V | 3.63 V | - |
| Supply Voltage Min | 2.97 V | 2.97 V | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Packaging | Bulk | Tube | - |
| Function | Calendar, Clock, Watchdog Timekeeper | Calendar, Clock, Watchdog Timekeeper | - |
| Series | DS1553WP | DS1553WP | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Product Type | Real Time Clocks | Real Time Clocks | - |
| Factory Pack Quantity | 40 | 40 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Part # Aliases | DS1553WP | 90-1553W+P15 DS1553WP | - |
| RoHS | - | Y | - |
| Moisture Sensitive | - | Yes | - |