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A large class of robust electronic systems of the future must be designed to perform correctly despite hardware failures. In contrast, today's mainstream systems typically assume error-free hardware. Classical fault-tolerant computing techniques are too expensive for this purpose. This paper presents an overview of new techniques that can enable a sea change in the design of cost-effective robust...
We present a new ESD compact modeling methodology using Verilog-A to enable predictive full circuit ESD simulation along with supporting hardware and failure analysis results. We also present a new ESD tool (ESTEEM) to automate the ESD design simulation and optimization flow for circuit designers. Test results show excellent simulation to hardware data correlation.
Robust system design ensures that future systems continue to meet user expectations despite rising levels of underlying disturbances. This paper discusses two essential aspects of robust system design: 1. Effective post-silicon validation, despite staggering complexity of future systems, using a new technique called Instruction Footprint Recording and Analysis (IFRA). 2. Cost-effective design of systems...
Large-scale experimental data from 90 nm test chips consisting of 49,152 transistors, and experiments on 90 nm test chips containing inverter chains are used to establish: 1. A gate-oxide early-life failure (ELF, also called infant mortality) candidate transistor produces gradually degraded drive currents over time; 2. A digital circuit path consisting of a gate-oxide ELF candidate transistor experiences...
Instruction Footprint Recording and Analysis (IFRA) overcomes challenges associated with an expensive step in post-silicon validation of processors-pinpointing the bug location and the instruction sequence that exposes the bug from a system failure. On-chip recorders collect instruction footprints (information about flows of instructions and what the instructions did as they passed through various...
Circuit failure prediction predicts the occurrence of a circuit failure "before" errors actually appear in system data and states. This is in contrast to classical error detection where a failure is detected after errors appear in system data and states. Circuit failure prediction is performed concurrently during system operation or during periodic on-line self-test by analyzing the data...
Summary form only given. The aim of this paper is to develop enabling technologies and tools spanning multiple abstraction levels to design globally optimized robust systems without incurring the high cost of traditional redundancy. An architecture-aware circuit design technique corrects radiation-induced soft errors in latches, flip-flops, and combinational logic at extremely low-cost compared to...
Circuit failure prediction predicts the occurrence of a circuit failure before errors actually appear in system data and states. This is in contrast to traditional error detection where a failure is detected after errors appear in system data and states. Circuit failure prediction can be performed in multiple ways -the basic principle is to insert a wide variety of "sensors" at various locations...
Circuit failure prediction predicts the occurrence of a circuit failure before errors actually appear in system data and states. This is in contrast to classical error detection where a failure is detected after errors appear in system data and states. Circuit failure prediction is performed during system operation by analyzing the data collected by sensors inserted at various locations inside a chip...
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