Northwest Logic HBM2/2E Controller Core from Rambus
The core uses bank management modules to monitor the status of each SDRAM bank (up to 64 banks managed concurrently). Banks are only opened or closed when necessary, minimizing access delays. The core queues up multiple commands in the command queue. This enables optimal bandwidth utilization for both short transfers to highly random address locations as well as longer transfers to contiguous address space. The command queue is also used to opportunistically perform look-ahead activates, precharges and auto-precharges further improving overall throughput.
The core supports all HBM features, including: data bus inversion (DBI), DQ parity, command / address parity modes, and single-bank refresh.
Add-On Cores such as a Multi-Port Front-End and Reorder Core can be optionally delivered with the core. The core is delivered fully integrated and verified with the target DDR PHY. Northwest Logic supports a broad range of third party PHYs.
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