Moore’s Law

Moore’s Law
Max Roser, Hannah Ritchie · CC BY 4.0 · source
Name	Moore’s Law
Introduced	1965
Founder	Gordon Moore
Field	Semiconductor engineering
Type	Empirical observation

Moore’s Law

Moore’s Law is the empirical observation, articulated in 1965, that the number of transistors on integrated circuits tends to double approximately every two years, driving exponential growth in computing performance. It has guided the strategies of firms such as Intel Corporation, IBM, Samsung Electronics, TSMC, and AMD and influenced national programs in the United States, Japan, South Korea, Taiwan, and European Union. The principle shaped roadmaps from organizations including the Semiconductor Industry Association, IEEE, and IETF and intersected with projects like DARPA research, Manhattan Project-era large-scale engineering precedents, and commercial products such as the Intel 4004, x86 architecture, ARM architecture, Apple A-series, and NVIDIA GeForce GPUs.

History

Gordon Moore formulated the observation while at Fairchild Semiconductor and later co‑founded Intel Corporation with Robert Noyce; contemporaries and competitors included executives at Texas Instruments, Motorola, Hewlett-Packard, and researchers at Bell Labs. The idea propagated through venues such as Electronics Magazine, conferences organized by the Institute of Electrical and Electronics Engineers and the International Electron Devices Meeting, and roadmaps by the Semiconductor Industry Association and International Technology Roadmap for Semiconductors. Major milestones linked to the law include the development of the Planar process, the commercialization of the Intel 4004, the adoption of CMOS logic, the scaling of lithography tools from DUV lithography to EUV lithography, and capital investments in fabs by TSMC and GlobalFoundries. Policy and investment responses have involved initiatives like the CHIPS and Science Act, collaboration with national labs such as Lawrence Berkeley National Laboratory and Sandia National Laboratories, and R&D programs at universities including MIT, Stanford University, University of California, Berkeley, University of Illinois Urbana–Champaign, and Carnegie Mellon University.

Technical Basis and Definitions

The technical basis rests on Dennard scaling principles developed at IBM and the physics of silicon devices studied at Bell Labs and by researchers like Robert Dennard and Richard Feynman; it assumes improvements in transistor gate lengths, interconnect metallization, die yield, and lithographic resolution from suppliers such as ASML Holding. Definitions vary: industry roadmaps equate Moore’s trajectory with transistor count per die, while performance metrics cite clock speed, instructions per cycle from RISC and CISC architectures, and energy per operation in microarchitectures like those from Intel Xeon and ARM Cortex. Enabling technologies include materials science advances at DuPont and Applied Materials, packaging innovations like 3D stacking used by Samsung Electronics and TSMC, and design automation workflows from companies such as Cadence Design Systems and Synopsys.

Economic and Industry Impact

Moore’s Law framed capital expenditure cycles for fabs operated by Intel Corporation, TSMC, Samsung Electronics, and legacy players like GlobalFoundries and Micron Technology, influencing mergers and acquisitions including transactions by NXP Semiconductors and Analog Devices. It fostered ecosystems around consumer electronics firms such as Apple Inc., Microsoft Corporation, Google LLC, Amazon.com, Inc., and Sony Corporation, and enabled industries from automotive leaders like Toyota Motor Corporation and Volkswagen Group to integrate advanced electronic control units. Financial markets and venture capitalists in regions like Silicon Valley and Shenzhen priced expected cost-per-transistor declines into valuations of startups at accelerators like Y Combinator and incubators backed by SoftBank Group and sovereign funds such as the Government Pension Fund of Norway.

Technological Challenges and Limits

Physical limits stem from quantum tunneling, leakage currents, and variability at nanometer scales studied by researchers at MIT, Stanford University, and IMEC; lithography challenges required transition to extreme ultraviolet lithography from ASML, while interconnect delays reignited interest in novel approaches such as photonic integrated circuits, spintronics, quantum computing research at IBM Q and Google Quantum AI, and two‑dimensional materials explored at Rice University and Columbia University. Manufacturing constraints involve fab economics with multibillion-dollar tools from Applied Materials and LAM Research, supply chains passing through ports like Port of Singapore and shipping hubs in Shenzhen, and geopolitical tensions affecting trade between United States and China.

Variations and Extensions

Extensions include market and technical reinterpretations such as Rock’s Law (fabrication plant cost growth attributed to Arthur Rock’s venture capital influence), Kryder’s Law for storage density tracked by Seagate Technology and Western Digital, and Nielsen‑style metrics in software performance; companies applied the concept to Moore’s "like" scaling in GPUs by NVIDIA Corporation, neural accelerators by Google Tensor Processing Unit, and mobile SoCs by Qualcomm Incorporated and MediaTek. Alternative paradigms include heterogeneous computing in systems from AMD (APUs), chiplet architectures promoted by Intel and AMD, and specialized accelerators for AI developed by Graphcore and Cerebras Systems.

Cultural and Policy Influence

Moore’s Law influenced science policy dialogues in forums like the World Economic Forum and G7 technology discussions, philanthropy from figures such as Gordon Moore through the Gordon and Betty Moore Foundation, and popular discourse in publications like Wired (magazine), Scientific American, The Economist, and Nature (journal). It shaped curricula at institutions such as California Institute of Technology and Georgia Institute of Technology, inspired art and speculative works by creators in Silicon Valley and writers referenced in New York Times tech coverage, and motivated regulatory responses exemplified by the CHIPS and Science Act and antitrust actions involving European Commission and United States Department of Justice.

Category:Semiconductor history