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| PartNumber | DS1553WP-120 | DS1553WP-120 POWER | DS1553WP-120+ |
| Description | Real Time Clock 64kB NV RAM Timekeeper | Real Time Clock 64kB NV RAM Timekeepe | |
| Manufacturer | Maxim Integrated | - | Maxim Integrated |
| Product Category | Real Time Clock | - | Clock/Timing - Real Time Clocks |
| Mounting Style | SMD/SMT | - | Through Hole |
| Package / Case | PowerCap | - | - |
| RTC Bus Interface | Parallel | - | Parallel |
| Time Format | HH:MM:SS | - | HH:MM:SS (24 hr) |
| RTC Memory Size | 8192 B | - | 8192 B |
| Supply Voltage Max | 3.63 V | - | - |
| Supply Voltage Min | 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 | - | Watchdog Timekeeper |
| Series | DS1553WP | - | DS1553WP |
| Brand | Maxim Integrated | - | - |
| Product Type | Real Time Clocks | - | - |
| Factory Pack Quantity | 40 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Part # Aliases | DS1553WP | - | 90-1553W+P12 DS1553WP |
| Product | - | - | Real Time Clocks |
| Type | - | - | Clock/Calendar |
| Package Case | - | - | PowerCap Module-34 |
| Operating Temperature | - | - | 0°C ~ 70°C |
| Mounting Type | - | - | Surface Mount |
| Features | - | - | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K |
| Interface | - | - | Parallel |
| Voltage Supply | - | - | 2.97 V ~ 3.63 V |
| Supplier Device Package | - | - | 34-PowerCap Module |
| Memory Size | - | - | 8KB |
| Date Format | - | - | YY-MM-DD-dd |
| Voltage Supply Battery | - | - | 3V |
| Current Timekeeping Max | - | - | 2mA @ 3.3V |
| Supply Voltage Max | - | - | 3.6 V |
| Supply Voltage Min | - | - | 3 V |