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High Performance ECC CircuitsConventional ECC circuits require logic calculations that cause complex routing in circuit layout. The delay time of such conventional ECC circuits is typically limited by the RC delay of those metal lines. Conventional ECC circuits are much larger than logic circuits of equivalent gate count due to the complex routing. Conventional ECC circuits also require a large number of test vectors to have enough test coverage. UniRAM ECC circuit architectures arrange logic calculations in a rotational relationship that dramatically simplify routing of ECC circuits. The resulting ECC circuits have the following advantages:

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