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Clock skew variations adversely affect timing margins, limiting performance, reducing yield, and may also lead to functional faults. Non-tree clock distribution networks, such as meshes and crosslinks, are employed to reduce skew and also to mitigate skew variations. These networks, however, increase the dissipated power while consuming significant metal resources. Several methods have been proposed...
Overclocking a CPU is a common practice among home-built PC enthusiasts where the CPU is operated at a higher frequency than its speed rating. This practice is unsafe because timing errors cannot be detected by modern CPUs and they can be practically undetectable by the end user. Using a timing speculation technique such as Razor, it is possible to detect timing errors in CPUs. To date, Razor has...
FPGAs are increasingly being used to implement many new applications, including pipelined processor designs. Designers often employ memories to communicate and pass data between these pipeline stages. However, one-cycle communication between sender and receiver is often required. To implement this read-immediately-after-write functionality, bypass registers are needed by most FPGA memory blocks. Read...
SRAM-based Field-Programmable Gate Arrays (FPGAs) are configured from off-chip memory through a serial link. Hence, a large configuration bit stream adversely increases off-chip memory size as well as bit stream loading time. The following work proposes a novel method to reduce the number of programming bits required for look-up tables (LUT), thereby reducing overall configuration bit stream size...
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