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Are there special layout requirements for the DDR SDRAM interface bus?

April 26, 2017bus DDR interface layout requirements SDRAM special

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Are there special layout requirements for the DDR SDRAM interface bus?

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Yes. The traces of the DDR SDRAM bus should be length and impedance matched as closely as possible. Signal stubs should be avoided. P2P mode is supported, which simplifies the line-termination circuitry.