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DDR Address Decoding!

Question asked by Qammar Abbas on Nov 23, 2017
Latest reply on Nov 24, 2017 by Qammar Abbas


I am trying to figure out the address decoding of a 8Gbit micron DDR3 RAM(with 8 logical banks) device.The datasheet mentions that 16 bits are used for row address and 10 bits are used for column address. According to the given information, the size of a single bank  will be 2^16 (rows) * 2^7 (columns). Why is there another x128 mentioned in the block diagram? 
Please find the attached image for your information. Thank you!