SPRAD66B February 2023 – December 2024 AM62A3 , AM62A3-Q1 , AM62A7 , AM62A7-Q1 , AM62D-Q1 , AM62P , AM62P-Q1
The Vix_DQS ratio and Vix_CK ratio for data write and CA bus simulations are to be verified, at the DRAM pin/BGA. Figure 3-3 from the JEDEC specification explains how to measure the Vix ratio, as well as define the ration requirements.
Symbol | Data Rate | Unit | Note | |||||
---|---|---|---|---|---|---|---|---|
1600/1867 | 2133/2400/3200 | 3733/4266 | ||||||
Vix_CK_ratio | - | 25 | - | 25 | - | 25 | % | (1), (2) |
Vix_DQS | - | 20 | - | 20 | - | 20 | % | (1), (2) |