I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment - BU9873FJ
The BU9873 is a CMOS real-time clock, which has a built-in interrupt generation function. This product is connected to the CPU via I²C interface, and configured to perform serial transmission of time and calendar data to the CPU. A high-precision oscillation adjustment circuit is also integrated, which is capable of adjusting time counts with digital method, and correcting deviations in the oscillation frequency of the crystal oscillator.
| Part Number | Status | Package | Unit Quantity | Minimum Package Quantity | Packing Type | RoHS |
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| BU9873FJ-GTE2 | Active | SOP-J8 | 2500 | 2500 | Taping | Yes |
BU9873FJ Data Sheet
Specifications| Time Keeping Voltage(Min.)[V] | 1.45 | | Time Keeping Current(Typ.)[uA] | 0.4 | | Time Keeping Current(Max.)[uA] | 1 | | Supply voltage(Min.)[V] | 1.8 | | Supply voltage(Max.)[V] | 5.5 | | Access Frequency 1 [kHz] | 100 | | Access Frequency 1 [kHz] | 400 |
| Technical DocumentsPin Configuration |
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