Chase Na - Semiconductor Design Engineer

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What is 'Clock mesh' in Physical Design?

In digital semiconductors, the most critical signal is the clock . The delay from the clock source to the clock pin of a sequential cell is called ...

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Memory Hierarchy & Memory Wall

Key Takeaway: From 1947’s magnetic core memory to the forthcoming HBM4 and compute-in-memory architectures, advances in semiconductor memory have...

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[STA] Synchronous Clocks vs. Asynchronous Clocks

In the world of digital design, you often hear the terms synchronous clock and asynchronous clock . While simple designs with a single module might use...

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What is Physical Design Rule Checking (Physical DRC)?

Physical Design Rule Checking (DRC) is the cornerstone of semiconductor physical verification, ensuring that an integrated circuit’s layout adheres to the...

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Why is Interconnect Delay Still Large with Advanced Process Nodes?

The continuous scaling of semiconductor process nodes improves transistor density, but it disproportionately amplifies interconnect parasitics ,...

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What is Library Characterization? feat: SPICE, and Static Timing Analysis (STA)

Overview of SPICE and STA In modern high-density VLSI design, it's crucial to ensure that an integrated circuit (IC) operates correctly and reliably at its...

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What is SPEF (Standard Parasitic Exchange Format)?

In the field of Very Large Scale Integration (VLSI) design, a finished semiconductor chip's performance is not only determined by its logical...

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What is MPW (Multi-Project Wafer)?

Multi-Project Wafer (MPW) is a service that allows various semiconductor designs to be fabricated on a single wafer. Think of it like a "variety...

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SDC: Why use 60% IO Delay for set_input_delay and set_output_delay?

Chip design, particularly for modern, complex System on Chip (SoC) designs, is growing on an unimaginable scale. In the past, it was possible to fit an...

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Yield, Harvesting Models, and the Foundry Business

Introduction Engineering, unlike pure science, incorporates an additional crucial variable: profitability. The decision to mass-produce semiconductors...

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What is VLSI CAD and EDA?: Electronic Design Automation

All electronic devices that underpin modern society—smartphones, computers, automobiles, AI servers, and more—cannot exist without semiconductor chips. ...

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All Digital Semiconductor Design Role overview: What does that engineer do?

Smartphones, cars, and home appliances. The pulsating heart of these advanced devices, nestled in your hand or woven into your daily life, is often a tiny ...