The guidelines in this chapter were determined based on the following PCB material specifications. Signal integrity simulations are encouraged for any material or specifications that deviate from those listed here.
- Board material: Megtron 6 class
- Dielectric constant: ~3.7
- Dissipation factor: 0.002
- Board thickness:
- 65 mil for LPDDR4/4x
- 100 mil for DDR4
- Layer Order: Ground-signal-ground