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Silicon Co-Design

Chad
Tens of paid subscribers

Expert-driven interdisciplinary deep-dives into the AI HW Infrastructure stack from pure fundamentals

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Substack
PricingFreemiumPublishesWeekly
Issues35Founded9 months agoLast Issue9 days ago
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Latest Issues

Co-Packaged Optics for 224Gbps+ Scale-Up: An All-In-One Overview

A system breakdown of challenges for every technology component of CPO: packaging, PIC, laser, and EIC

Quick Housekeeping Note: I’ll be a media partner for IMAPS and SiPh Symposium in Boston, MA from Sept 28 - Oct 2. The theme is “Intellig...

9 days ago
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The System Architecture of HBM: How Thermals, Signal Integrity, and Reliability Limit Scaling

An advanced co-design deep dive from fundamentals to 3D integration

In this advanced deep dive, I will discuss the challenges of scaling HBM performance.

15 days ago
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An Advanced System Architecture Breakdown of OpenAI’s Jalapeno Inference Accelerator

Begin with the end goal in mind: how user experience defined the architecture and how agentic coding methods contributed to the shortened chip design timeline

At the end of the Hot Chips 2026 conference, OpenAI presented their chip archite...

21 days ago
32
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A System-Level Overview of Scale-up AI Infrastructure Racks (Part 1: Network Architecture)

This post is written to give system-context for the high-speed interconnect of AI rack architectures in preparation for Hot Interconnects and Hot Chips 2026.

In part 1, I provide an overview of the network architecture:

  • Front-End and...
a month ago
21

A Deep Dive into SRAM: The Staging Ground of LLM Inference

Fundamentals of SRAM and how SRAM constraints affect array size scaling and LLM inference performance

In this post I will cover the following topics on SRAM:

a month ago
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  • Chad

    Deep-Tech Semiconductor Analyst, MSEE. Educating engineers on the complete AI datacenter hardware stack from pure fundamentals.

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