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DRAM WITH INTEGRAL SRAM AND SYSTEMS AND METHODS USING THE SAME
DRAM WITH INTEGRAL SRAM AND SYSTEMS AND METHODS USING THE SAME
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机译:具有集成SRAM的DRAM以及使用该DRAM的系统和方法
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摘要
A memory 400 comprises a plurality of banks 401 and global access control circuitry 406. Each of the plurality of banks includes first and second arrays 506, 402 of memory cells, first accessing circuitry 413, 507 for selectively accessing cells in the first array in response to address bits, and second accessing circuitry 404, 413 for selectively accessing cells in the second array in response to address bits. Storage circuitry 502 within each bank 401 stores previously received address bits. Circuitry for comparing 503 within each bank compares received address bits with stored address bits in storage circuitry 503, with first accessing circuitry 413, 507 accessing cells in first array 506 addressed by the stored address bits when stored address bits and received address bits match and second accessing circuitry 404, 413 accessing cells in second array 402 addressed by the received address bits when the stored address bits and the received address bits differ. Global access control circuitry 406 enables comparison of the stored address and the received address in a selected one of the plurality of banks 401.
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