US 2026/0010491 A1 · Clustered Chiplet Hubs

Abstract

A chiplet hub for interconnecting a series of connected chiplets and internal resources. An HBM is mounted on top of the chiplet hub to provide multiple party access to the HBM and to save System in Package (SIP) area. The chiplet hub can form system instances to combine connected chiplets and internal resources, with the system instances being isolated. One type of system instance is a private memory system instance with private memory gathered from multiple different memory devices. The chiplet hubs can be interconnected to form a clustered chiplet hub to provide for a larger number of chiplet connections and more complex system. A DMA controller can receive DMA service requests from devices other than a system hosted, including in cases where the chiplet hub is non-hosted.

Claims20

Dependent claims

A system comprising:

at least two chiplet hubs, each chiplet hub including:
a plurality of die-to-die (D2D) connections for connecting to child chiplets;
an internal management mechanism for managing the chiplet hub and child chiplets connected to the D2D connections;
and
a primary fabric connecting to the D2D connections for allowing communication between child chiplets connected to the D2D connections,
wherein the internal management mechanism of each chiplet hub is configured to configure the primary fabric of each chiplet hub as a unified primary fabric when two chiplet hubs are connected by a respective D2D connection to allow communication between child chiplets connected to different chiplet hubs, and
wherein the at least two chiplet hubs are connected using a D2D connection for each connection between two chiplet hubs.

4 more elements

A chiplet hub for use with at least one other chiplet hub, the chiplet hub comprising:

a plurality of die-to-die (D2D) connections for connecting to child chiplets;
an internal management mechanism for managing the chiplet hub and child chiplets connected to the D2D connections;
and
a primary fabric connecting to the D2D connections for allowing communication between child chiplets connected to the D2D connections,
wherein the internal management mechanism is configured to configure the primary fabric of each chiplet hub as a unified primary fabric when two chiplet hubs are connected by a respective D2D connection to allow communication between child chiplets connected to different chiplet hubs.

2 more elements

Dependencies are inferred from the claim text.

Clustered Chiplet Hubs

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Clustered Chiplet Hubs

Life of this patent

Abstract

Claims20