Low power, high reliability specific compound functional units

Details Low power, high reliability specific compound functional units Low power, high reliability specific compound functional units

2011-05-17

2011-05-17

Duncan, Marc (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07945811

ABSTRACT:
To prevent short path errors from occurring in systems having error detection and recovery mechanisms, functional elements are combined to form compound functional units comprising at least two evaluation stages, each evaluation stage including at least one functional element. At least one functional element includes error detection/recovery circuitry. The flow of input values to the first evaluation stage in the compound functional unit is controlled so that the input values are changed at most every second clock cycle.

REFERENCES:
patent: 7000164 (2006-02-01), Siegel et al.
patent: 7113749 (2006-09-01), Smith et al.
patent: 7320091 (2008-01-01), Blaauw et al.
patent: 7401273 (2008-07-01), Lee et al.
patent: 2002/0038418 (2002-03-01), Shimamura
patent: 2004/0216005 (2004-10-01), Pramanick et al.

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