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Sketch the logic needed to select between the various banks of DRAM. Represent each bank of DRAM as a 'black box' with appropriate input and output signals. (iii)

Sketch the logic needed to select between the various banks of DRAM. Represent each bank of DRAM as a 'black box' with appropriate input and output signals. (iii)

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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It is usual to use both row and address decoders to access each memory location in the DRAM of a practical memory system. A 256Mx1bit DRAM chip design is limited to using decoders with 13 address inputs. (b) OW What is the minimum number of banks of DRAM required in this chip? (i) (ii) How many AND gates are saved in this design compared to that using a single decoder? Ignore any multiplexers required in the design. (iii) Sketch the logic needed to select between the various banks of DRAM. Represent each bank of DRAM as a 'black box' with appropriate input and output signals.
Transcribed Image Text:It is usual to use both row and address decoders to access each memory location in the DRAM of a practical memory system. A 256Mx1bit DRAM chip design is limited to using decoders with 13 address inputs. (b) OW What is the minimum number of banks of DRAM required in this chip? (i) (ii) How many AND gates are saved in this design compared to that using a single decoder? Ignore any multiplexers required in the design. (iii) Sketch the logic needed to select between the various banks of DRAM. Represent each bank of DRAM as a 'black box' with appropriate input and output signals.
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