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| PartNumber | CBC34803-M5C-TR5 | CBC34803-M5C | CBC34813-M5C-TR1 |
| Description | IC RTC CLK/CALENDAR I2C 16-QFN | Real Time Clock EnerChip RTC AM0803 5uAh I2C 16-QFN | IC RTC CLK/CALENDAR SPI 16-QFN |
| Manufacturer | - | Cymbet Corporation | Cymbet Corporation |
| Product Category | - | Clock/Timing - Real Time Clocks | Clock/Timing - Real Time Clocks |
| Series | - | EnerChip | EnerChip |
| Type | - | Clock/Calendar | Clock/Calendar |
| Packaging | - | Tube Alternate Packaging | Tape & Reel (TR) Alternate Packaging |
| Package Case | - | 16-LQFN | 16-LQFN |
| Operating Temperature | - | -10°C ~ 70°C | -10°C ~ 70°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Features | - | Alarm, Leap Year | Alarm, Leap Year |
| Interface | - | I2C, 2-Wire Serial | SPI |
| Voltage Supply | - | 2.5 V ~ 5.5 V | 2.5 V ~ 5.5 V |
| Supplier Device Package | - | 16-QFN (5x5) | 16-QFN (5x5) |
| Memory Size | - | - | - |
| Time Format | - | HH:MM:SS:hh (12/24 hr) | HH:MM:SS:hh (12/24 hr) |
| Date Format | - | YY-MM-DD-dd | YY-MM-DD-dd |
| Voltage Supply Battery | - | 2.75 V ~ 3.25 V | 2.75 V ~ 3.25 V |
| Current Timekeeping Max | - | - | - |