Abstract

The plan for the CMS pixel detector is to be upgraded in 2016 to a new one with a significantly reduced material budget. The new pixel system with more layers (4 for the barrel pixel) has to operate through the existing services at double the luminosity. Therefore a new readout scheme is implemented with a new pixel readout chip (ROC). A description of the ASIC modifications of the digital readout interface of the ROC is presented as well as the results and the performance of the physics based electronic simulations of a complete pixel module consisting of 16 ROCs and a token bit manager chip.

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