Intel® Processor and Intel® Core™ i3 and Intel® Core™ 3 N-Series

Datasheet, Volume 1 of 2

ID Date Version Classification
759603 01/07/2025 Public
Document Table of Contents

DRAM Reference Voltage Generation

Read Vref is generated by the memory controller in all technologies. Write Vref is generated by the DRAM in all technologies. Command Vref is generated by the DRAM in LPDDR5 while the memory controller generates VrefCA per DIMM for DDR4. In all cases, it has small step sizes and is trained by MRC.