HBM: HBM (High Bandwidth Memory) is a high-performance RAM interface for 3D-stacked DRAM. HBM has been adopted as an industry standard by JEDEC.

Features:

• Host and Device agents
• HBM 2.0 specification supported
• Supports legacy mode and pseudo channel mode
• Supports all the delay parameters
• Pipelined transfer support
• Callbacks for error insertion
• Option to send refresh and single bank refresh on its own
• TRR is supported by host engine
• DM and DBI supported

Block diagram: