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Silicon based Physical Unclonable Function (SPUF), a chip level identifier that utilizes the inherent irregular manufacturing process variations, can be extended to Ring Oscillator PUFs (ROPUFs). The ROPUF structure, although promising for FPGA based platforms, is not area efficient in terms of response bit per RO circuit implementation. This paper introduces an area efficient Stage Configurable ROPUF...
High-speed phase frequency detector (PFD) is one of the key module for high-frequency phase locked loop (PLL) systems. The performance of PLL depends on the operation of PFD. This paper presents a new PFD design in 0.18μm CMOS technology using 3T XOR and 3T NAND gates. Supply voltage has been varied from 1.8V to 2.4V in the proposed design. The new PFD consumes power within a range from 505.78μW to...
Path tracing is a key requirement in providing various functionalities in a Static Timing Analysis (STA) tool. With growing design sizes and advancements in STA techniques like statistical timing analysis, path tracing techniques need to be more efficient and accurate. Naïve extensions of path tracing techniques for statistical timing analysis are found to be inefficient and inaccurate. In this paper,...
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