| 摘要 |
Approaches for operating a programmable integrated circuit (IC) are disclosed. One configuration bitstream of two or more configuration bitstreams is selected. Each configuration bitstream implements a functionally equivalent circuit on the programmable IC and programs a respective subset of pass gates of the programmable IC. Each subset of pass gates programmed by the configuration bitstreams is disjoint from each other subset of pass gates. The programmable IC, which is defect-free, is configured with the selected configuration bitstream. The defect-free programmable IC is then operated for a period of time. The selecting, configuring and operating are repeated, and for successive selecting operations, different ones of the configuration bitstreams are selected.
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