Experimental evaluation of digital-circuit susceptibility to voltage variation in dynamic frequency scaling

2008 
Logical operations in CMOS digital integration are highly prone to fail as the amount of power-supply (PS) drop approaches to threshold. PS voltage variation is characterized by built-in noise monitors in a 32-bit microprocessor of 90-nm CMOS technology, in relation with instruction- level programming for logical failure analysis. Experimental measurements demonstrate that the increased susceptibility of processor operation with dynamic frequency scaling (DFS) can be mitigated through PS noise shaping.
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