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HBM2/2E Memory Controller Core
The Rambus High Bandwidth Memory (HBM2) Controller Core is designed for use in applications requiring high memory throughput, high clock rates and full programmability.
The core accepts commands using a simple local interface and translates them to the command sequences required by HBM2 devices. The core also performs all initialization, refresh and power-down functions.
The core uses bank management modules to monitor the status of each HBM2 bank (up to 128 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 HBM2 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 HBM2 PHY. Rambus supports a broad range of third party PHYs.
Rambus also provides IP Core customization services. Contact Rambus for a quote.
The core accepts commands using a simple local interface and translates them to the command sequences required by HBM2 devices. The core also performs all initialization, refresh and power-down functions.
The core uses bank management modules to monitor the status of each HBM2 bank (up to 128 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 HBM2 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 HBM2 PHY. Rambus supports a broad range of third party PHYs.
Rambus also provides IP Core customization services. Contact Rambus for a quote.
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