Error detection device and method for error detection for a...

Details Error detection device and method for error detection for a... Error detection device and method for error detection for a...

2011-07-12

2011-07-12

Rizk, Sam (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

C712S215000, C712S228000

Reexamination Certificate

active

07979783

ABSTRACT:
An error detection device for a command decoder is described, the command decoder reading out an associated sequence of control signal words from a command memory based on an input word, wherein the sequence of control signal words has at least one control signal word, having: a controller designed to provide the input word at a first time and the input word at a second time for reading out the command memory, wherein the second time is delayed with respect to the first time, to effect a readout of the sequence of control signal words at a first time and a readout of the sequence of control signal words at a second time; and a comparator designed to receive and compare the associated sequences of control signal words read out at the first and second times, and to output a signal indicating an error if the associated sequences of control signal words read out at the first and second times are different.

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Ray, J et al.; “Dual Use of Superscalar Datapath for Transient-Fault Detection and Recovery”; Proceedings of the 34th annual ACM/IEEE International Symposium on Microarchitecture, Austin, Texas, 2001, pp. 214-224.

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