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| Part Number | DP8570AV | DP8573AV | DP8570AVX |
|---|---|---|---|
| Manufacturer | National Semiconductor | National Semiconductor | National Semiconductor |
| Product Status | Active | Active | Active |
| Type | Timer Clock Peripheral (TCP) | Clock/Calendar | Timer Clock Peripheral (TCP) |
| Features | Alarm, Leap Year | Alarm, Leap Year | Alarm, Leap Year |
| Memory Size | 44B | - | 44B |
| Time Format | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) |
| Date Format | YY-MM-DD-dd | YY-MM-DD-dd | YY-MM-DD-dd |
| Interface | Parallel | Parallel | Parallel |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Voltage - Supply, Battery | 2.2V ~ 5.1V | 2.2V ~ 5.1V | 2.2V ~ 5.1V |
| Current - Timekeeping (Max) | 1µA @ 5V | 1µA @ 5V | 1µA @ 5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 28-LCC (J-Lead) | 28-LCC (J-Lead) | 28-LCC (J-Lead) |
| Supplier Device Package | 28-PLCC (11.51x11.51) | 28-PLCC (11.51x11.51) | 28-PLCC (11.51x11.51) |
