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Abstract

A method and apparatus uses possible wordline subsequence identifiers to multiplex columns for addresses received in redundant form, including addresses received from a bypass circuit. A cache wordline decoder uses carry-nonpropagative pre-decode circuitry to identify possible subsequences from redundant addresses. Identified subsequences are combined to identify wordline sequences and to activate corresponding wordline enable signals to access data stored in cache memory. A wordline may correspond to storage locations for multiple addresses. Identified possible subsequences are used to directly multiplex cache columns and the columns are organized so as to guarantee mutual exclusivity.

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