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Recent content by fightforever

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    DDR3 DQ quality questions

    Hello Everyone,Recently I am debugging the DDR3 SDRAM controller, and get some waveforms which probed by TEK 50Gsps Oscilliscope(Fig.1) In Fig.1(up) Eye Diagram,the orange eye is DQS, green eye is DQ; In Fig.1(down), the yellow line is DQS,the purple line is DQ. My question is about the DQ...
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    Is it possible that 2GHz memory of 16KB in 90nm process?

    Hi, I am demanded to design a fast access 16KB static ram of 2GHz in 90nm process of TSMC, the ram can be pipelined, and at least has 3 write ports and 2 read ports. would anyone tell me whether it is feasible? and How to do it? Many Thanks. I consider the difficulty is the frequency,so I...

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