Tags: Faster safer JEDEC DDR5 #8800MHz standard update Boardnara article
| 2024-04-24 10:41 Reporter Lee Sang-ho [email protected] |
| JEDEC announced the DDR5 memory specification upgrade (JESD79-5C) to improve performance and security. According to the announced information, through this update, the speed of DDR5 memory will increase from the current 6800MHz to 8800MHz, and the timing adjusted accordingly will also be updated. Additionally, in order to respond to ever-increasing security threats, PRAC (Per-Row Activation Counting) solution will be introduced to improve data integrity. PRAC carefully calculates DRAM activations on a wordline basis, and when it detects an excessive number of DRAM activations, it warns the system to pause traffic and specify a time for mitigation actions. It also uses a Rowhammer attack, which attacks by causing bit flips with excessive attacks. Attack) Prevents vulnerabilities. |
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