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TMS320C6678: DDR3 length matching

Part Number: TMS320C6678

Hi.

I need some info on DDR3 routing for my design. (Fly-by / 64bits data (1GB,16bits DDR3 x 4 without ECC))

I couldn't find "length matching requirements" for the items below in the DDR3 design documentation (SPRABI1C).

1. CLK to DQS  skew constraints

2. Routing distance constraints in between each DDR chip (Address/ Ctrl/ CMD/ CLK)

3. Maxim length constraints (Address/ Ctrl/ CMD/ CLK/ Data)

Best Regards

WSJ