Acting as inverter and level shifter. Basically any BC846/7/8 pair in a SOT-363 package.
On Semi BC846BDW1
Red arrows show the power distribution. Black arrows show control and
data signals. A black arrow coming out of a red line indicates a probe
input that draws only insignificant power.
Dashed lines indicate components that are intended for R&D use and that may not be present in production devices.
If a part is shown with a light blue background, the part used in the prototypes so far does not reflect the final choice.