BU9873 Série
| Pièce fabricant# | Description | Fabricant | En stock | Fonctionnement |
| BU9873NUX-TTR | IC RTC CLK/CALENDAR I2C 8VSON | Rohm Semiconductor | 8833 |
|
| BU9873FVT-GE2 | IC RTC CLK/CALENDAR I2C 8TSSOP | Rohm Semiconductor | 5110 |
|
| BU9873FJ-GTE2 | IC RTC CLK/CALENDAR I2C SOP8J | Rohm Semiconductor | 9876 |
|
| BU9873F-GTE2 | IC RTC CLK/CALENDAR I2C 8SOP | Rohm Semiconductor | 2722 |
|
| BU9873FVM-GTTR | IC RTC CLK/CALENDAR I2C 8MSOP | Rohm Semiconductor | 8889 |
|