Overcoming Limitations of Static Timing Analysis through Single-Path-Based Transistor Level Simulations in Multi-Power-Domain ASICs for MEMS Sensors
Luca Pulvirenti
Overcoming Limitations of Static Timing Analysis through Single-Path-Based Transistor Level Simulations in Multi-Power-Domain ASICs for MEMS Sensors.
Rel. Maurizio Martina, Alessandro De Laurenzis. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Elettronica (Electronic Engineering), 2023
Abstract
This thesis has been developed as part of an internship program with MEMS division at STMicroelectronics, with the aim to explore the available techniques to improve the accuracy of timing analysis for input/output paths of advanced MEMS sensors interfaces and validate them in any operating conditions required by the corresponding mission profiles. Typical ASICs used in these devices consist of multiple regions (power domains) characterized by a set of supply and ground nets. This allows to use different supply voltages across the design and to shut certain regions off in specific operating modes to optimize power consumption. Static Timing Analysis performed on an existing design showed violations in conditions outside the corner-case set.
Because of its limits, STA was not well suited to further investigate this behavior, that is why transistor level simulations have been run instead
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