consider a 1 Gbit DRAM chip organized as 16 million addresses of 64 bit words. A
ID: 2082820 • Letter: C
Question
consider a 1 Gbit DRAM chip organized as 16 million addresses of 64 bit words. Assume both the DRAM cell and the DRAM chip is square. The column number and offset concatenate to form the memory address. Using the organization approach discussed in class, answer the following questions about the chip. Express all answers in decimal. Problem 2.0 Part A (10 points) Consider a 1 Gbit DRAM chip organized as 16 million addresses of 64 bit words. Assume both the DRAM cell and the DRAM is square. The column number and offset concatenate to form the memory address. Using the organization approach discussed in class, answer the following questions about chip. Express all answers in decimal number of columns column decoder required (n to m) type of mux required (m to m) number of muxes required number of address lines in column number number of address lines in column offsetExplanation / Answer
number of columns = square root of 1G = square root of 230 = 215= 32K
requirement of column decoder = 15 - 32K
type of MUX that is required = 32/64K =512 to 1 MUX is required
number of MUX's required = 64 MUX
number of address lines in column number = 15
number of address lines in column offset = 9
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