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Computer Engineering
Consider a DRAM chip of capacity 256 KB and each memory location contains 8 bits. The memory chip is organized in matrix form with equal number of rows and column for each memory location of 8 bits. This DRAM chip has a refresh interval of 64 ms, memory bus runs at 200 MHz, and the refresh cycle takes 4 clock cycle. a) Time required to refresh the DRAM chip. b) What is the minimum size of the refresh counter?

Consider a DRAM chip of capacity 256 KB and each memory location contains 8 bits. The memory chip is organized in matrix form with equal number of rows and column for each memory location of 8 bits. This DRAM chip has a refresh interval of 64 ms, memory bus runs at 200 MHz, and the refresh cycle takes 4 clock cycle. a) Time required to refresh the DRAM chip. b) What is the minimum size of the refresh counter?

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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Consider a DRAM chip of capacity 256 KB and each memory location contains 8 bits. The memory chip is organized in matrix form with equal number of rows and column for each memory location of 8 bits. This DRAM chip has a refresh interval of 64 ms, memory bus runs at 200 MHz, and the refresh cycle takes 4 clock cycle. a) Time required to refresh the DRAM chip. b) What is the minimum size of the refresh counter?
Transcribed Image Text:Consider a DRAM chip of capacity 256 KB and each memory location contains 8 bits. The memory chip is organized in matrix form with equal number of rows and column for each memory location of 8 bits. This DRAM chip has a refresh interval of 64 ms, memory bus runs at 200 MHz, and the refresh cycle takes 4 clock cycle. a) Time required to refresh the DRAM chip. b) What is the minimum size of the refresh counter?
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