aid: accusilicon
name: Accusilicon
description: 'Accusilicon (Guangzhou Ruixin Microelectronics Co., Ltd. / 广州睿芯微电子有限公司) is a
  fabless mixed-signal semiconductor company founded in July 2014 and headquartered in the Huangpu
  district of Guangzhou, China, with additional sites in Xi''an and Shanghai. It designs and sells
  ultra-low phase noise timing silicon and related analog ICs — XO/VCXO/TCXO and OCXO oscillator
  chips, clock ICs, crystal-oscillator modules, RF and analog switch ICs, mobile-interface protection
  ICs, ADC/DAC converters, digital audio processor (DSP) and audio ICs, and spectral image sensor
  chips — alongside clock stability analyzers and other test and measurement instruments, and ASIC/SoC,
  module, system and clock custom design services. Its parts are used in smartphones, digital
  communications and high-speed Ethernet, audio/video and professional audiophile equipment, medical,
  security, payment and measurement systems. The company is a hardware component supplier: it operates
  a corporate marketing site in Chinese only and publishes no developer program, developer portal, API
  documentation, SDK or machine-readable API description of any kind.'
url: https://raw.githubusercontent.com/api-evangelist/accusilicon/refs/heads/main/apis.yml
image: https://accusilicon.com/images/logo.svg
x-type: company
x-source: harvest:secondary-market
x-tier: stub
x-tier-reason: harvest
specificationVersion: '0.20'
created: '2026-09-06'
modified: '2026-09-06'
tags:
- Company
- Semiconductors
- Integrated Circuits
- Clock Chips
- Oscillators
- Timing
- Audio
- Hardware
- Electronics
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/accusilicon-domain-security.yml
- type: Website
  url: https://accusilicon.com/
- type: TermsOfService
  url: https://accusilicon.com/cn/accusilicon/terms_conditions
- type: Support
  url: https://accusilicon.com/cn/accusilicon/contact_us
- type: LLMsTxt
  url: llms/accusilicon-llms.txt
x-enrichment:
  date: '2026-09-06'
  status: minimal
  artifacts_added: 3
  pass: local-v3
x-coverage:
  state: none
  reason: not-a-software-company
  detail: >-
    Accusilicon is a fabless oscillator and mixed-signal chip maker whose only web property is a
    Chinese-language product marketing site with no developer section — its /en/ locale, /llms.txt,
    /openapi.json, /apis.json and every /.well-known/ discovery path all 404 at the origin.
  evidence:
  - url: https://accusilicon.com/cn/accusilicon/about_us
    status: 200
  - url: https://accusilicon.com/openapi.json
    status: 404
  - url: https://accusilicon.com/.well-known/api-catalog
    status: 404
  - url: https://accusilicon.com/en/
    status: 404
  checked: '2026-09-06'