memory calculation

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bhuvanesh

Joined Aug 10, 2013
268
A DRAM chip uses two-dimensional address multiplexing. II has 13common addresspins, with the row address having one bit more than the column address. What is the capacity of the memory?
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ans=13+12=25.so 2^25words
my approach is 13+14=27.so 2^27 words.

what i am misunderstanding help me please.
 
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