Real-time clustering for pixel detectors: The DCE3 ASIC for the PXD detector in the Belle II experiment @KEK

In this paper we describe the utilization of a hardware based clustering engine in the data acquisition chain of a particle collider experiment. The data clustering engine (DCE) can execute the clustering task in a pipelined data stream mode with a latency of only one frame by utilization of a software-inspired hardware architecture. The scalable architecture of the clustering core allows a quick adaption of the engine to the specific needs of the target application. Furthermore, a prototype implementation in a TSMC 65nm low power CMOS process and an outlook on the final design for the Belle II experiment at KEK/Japan will be presented.