Chiplet Ecosystem

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The Architecture of Next-Gen Silicon

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chiplet yielddie placement

Why Chiplet Yield Models Fall Apart Without Systematic Die Placement Rules

Random die placement on advanced packages destroys yield in ways traditional models never predicted. Here's what the math actually looks like.

P. Nakamura P. Nakamura
· · 4 min read
chiplet securityheterogeneous integration

Why Chiplet Security Boundaries Are Harder to Draw Than Chip Boundaries

Disaggregating SoCs into chiplets doesn't just split silicon, it splits trust. Here's why securing die-to-die interfaces is genuinely unsolved.

P. Nakamura P. Nakamura
· · 4 min read
known-good-diechiplet testing

How Chiplet Test Strategies Are Forcing a Rethink of Known-Good-Die Economics

Known-good-die testing is the unglamorous bottleneck throttling chiplet yield and cost. Here's how the industry is solving it, and where it's still stuck.

P. Nakamura P. Nakamura
· · 4 min read
silicon photonicsco-packaged optics

How Photonic Interconnects Are Closing the Last Gap in Chiplet-to-Chiplet Bandwidth

Co-packaged optics and silicon photonics are rewriting the rules for chiplet interconnect bandwidth, here's what that means for next-gen heterogeneous designs.

P. Nakamura P. Nakamura
· · 4 min read
wafer-to-wafer bondinghybrid bonding

How Wafer-to-Wafer Bonding Changes the Math on Chiplet Yield

Wafer-to-wafer bonding offers unmatched interconnect density, but yield math punishes it harshly. Here's why that tradeoff is shifting.

P. Nakamura P. Nakamura
· · 5 min read
interposerbridge die

How Passive Interposers Become Active: The Case for Embedded Bridge Dies

Embedded bridge dies are turning passive silicon interposers into active routing layers, here's what that means for chiplet bandwidth and cost.

P. Nakamura P. Nakamura
· · 4 min read
die-to-die interconnectchiplet disaggregation

How Die-to-Die Interconnect Latency Is Reshaping Chiplet Disaggregation Decisions

Die-to-die latency isn't just a spec footnote, it's quietly determining which functions can be disaggregated into chiplets and which cannot.

P. Nakamura P. Nakamura
· · 4 min read
thermal managementadvanced packaging

How Thermal Resistance Kills Chiplet Density, and What Packaging Engineers Are Doing About It

Thermal resistance is the hidden tax on chiplet density. Here's how packaging engineers are fighting back with new materials and die-stacking strategies.

P. Nakamura P. Nakamura
· · 4 min read
power-deliverychiplet-design

Why Chiplet Power Delivery Networks Break Traditional PDN Rules

How chiplet designs force radical changes in power delivery networks, from voltage domains to decap placement strategies.

P. Nakamura P. Nakamura
· · 4 min read
silicon-interposerorganic-substrate

How Silicon Interposers Beat Organic Substrates in High-Bandwidth Chiplet Designs

Why silicon interposers deliver superior signal integrity and density for AI chiplet interconnects compared to organic substrates.

P. Nakamura P. Nakamura
· · 4 min read
memory-controllersbandwidth

Why Chiplet Memory Controllers Are Breaking the Bandwidth Wall

Distributed memory controllers in chiplet designs solve bandwidth bottlenecks that monolithic processors can't touch.

P. Nakamura P. Nakamura
· · 4 min read
EMIBadvanced packaging

Intel's EMIB vs Advanced Fan-Out: Why Horizontal Beats Vertical for AI Workloads

Intel's EMIB horizontal integration outperforms vertical fan-out packaging for AI chips despite industry hype around 3D stacking.

P. Nakamura P. Nakamura
· · 3 min read
vertical-integrationsamsung

Samsung's I-Cube4 vs. TSMC SoIC: The Battle for Vertical Integration

Samsung's I-Cube4 and TSMC's SoIC represent two distinct approaches to vertical chiplet stacking and 3D integration.

P. Nakamura P. Nakamura
· · 3 min read
AMDNvidia

Why AMD's MI300X Beats Nvidia's H100 at the Package Level

AMD's MI300X uses advanced 2.5D packaging to outmaneuver Nvidia's H100 in AI workloads through superior chiplet integration.

P. Nakamura P. Nakamura
· · 4 min read
UCIechiplets

UCIe Is the Boring Standard That Changes Everything

The Universal Chiplet Interconnect Express standard could do for chiplets what PCIe did for expansion cards. Here is what matters.

P. Nakamura P. Nakamura
· · 3 min read
TSMCIntel

TSMC CoWoS vs. Intel Foveros: Two Bets on the Same Future

TSMC and Intel are taking different packaging approaches to the same chiplet future. Both strategies have real tradeoffs.

P. Nakamura P. Nakamura
· · 2 min read