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10. The tolerance for the matched impedance value is the manufacturing tolerance. The design tolerance
should be kept to a minimum.
11. The target impedance priority is to match the differential impedance of these signal traces and adjust
the single-ended impedance accordingly.
Copyright © 2017 Marvell
August 30, 2017
Document Classification: Public
32-bit SDRAM DDR3 Interface
Interface Signals Layout Guidelines
Doc. No. MV-S302310-U0 Rev. A
Page 65
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