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[SOLVED] DDR3 Row, column and bank Address multiplexing

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tramu

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Dear sir,

I have 4Gb x16 DDR3 chip. I want to connect this to a controller which doesn't support 4Gb x16 configuration.
Is it possible to connect 4Gb x16 DDR3 chip to a controller in 2Gb x8 configuration as 2Gb x8 configuration is supported by the controller.

I mean, I will connect only 8 data lines of 4Gb x16 chip to a controller, and results in half capacity of 4Gb x16 will be under utilized(for me it is ok).

4Gb x16-->512MB
4Gb x16 (device in 2Gb x8) --> 256MB.

Which parameter of controller should be considered to support the above configuration(4Gb x16 device (2Gb x8)...

Thanks & Regards,
Thulasi
 

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