| 欧盟RoHS指令 | Compliant |
| 美国出口管制分类ECCN编码 | EAR99 |
| 环保无铅 | Active |
| 美国海关商品代码 | EA |
| Type | Click Board |
| Supported Device | BU9873 |
| Supported Device Technology | Real Time Clock |
| Typical Oscillator Frequency (MHz) | 0.032768 |
| Interface Type | I2C |
| Typical Operating Supply Voltage (V) | 3.3|5 |
| Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | 85 |