...
These target impedance values are crucial for maintaining stable and reliable power delivery across different power domains, ensuring the system operates optimally.
Refer to the Power Distribution Network (PDN) simulation of the VDD_CA55 on the SP7350 Evaluation Board conducted using Ansys software.
...
The simulation results confirm that the impedance meets the criteria of being less than 40.0 mΩ, ensuring compliance with the design specifications.
2.3 DDR SDRAM
Routing traces for DDR SDRAM requires careful planning and adherence to specific guidelines to maintain signal integrity and performance. Here are the general guidelines for routing traces for DDR SDRAM:
...
Adhering to these target impedance values ensures optimal performance and reliability of the DDR PHY within the PCB design.
Refer to the Power Distribution Network (PDN) simulation of the DRAM_VDD on the SP7350 Evaluation Board conducted using Ansys software.
...
The simulation results confirm that the impedance meets the criteria of being less than 38.6 mΩ, ensuring compliance with the design specifications.
Refer to the Power Distribution Network (PDN) simulation of the DRAM_VDDQ on the SP7350 Evaluation Board conducted using Ansys software.
...
The simulation results confirm that the impedance meets the criteria of being less than 39.0 mΩ, ensuring compliance with the design specifications.
2.3.1.2 DQ to DQ Mismatch Within a Byte
...