XAPP806 -决定DDR反馈时钟的最佳DCM相移
This application note describes how to build a system that can be used for determining theoptimal phase shift for a Doub...
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This application note describes how to build a system that can be used for determining theoptimal phase shift for a Doub...
This application note describes how to build a system that can be used for determining theoptimal phase shift for a Doub...
关于参数的选择各种意见: 这是CMG大师的论述: R6的取值,R6的值不是任意取的,要考虑两个因素:1)431参考输入端的电流,一般此电流为2uA左右,为了避免此端电流影响分压比和避免噪音的影响,一般取流过电阻R6的电流为参考段...