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For the most immediate response to any questions we encourage visitors to our site to first consult the self-help section as the information required may be already online. However in realizing that for some cases it may be necessary to contact Holtek directly, information regarding our sales office is provided in the Sales and Service Offices section. The Comments & Questions section provides visitors with a convenient approach with which to access our on-line service regarding technical or sales related issues.

 

Self Help
Product Information
Holtek provides comprehensive product information for its full range of devices. Included here is an inclusive selection guide and the full set of Holtek datasheets for all its device range.

Technical Support
For technical related questions we encourage you to first check this section where an array of technical support information is already on line. Driver downloads, the latest software updates for our development tools, application notes and various FAQs are available here for immediate download or viewing.

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Various information is readily available online concerning Holtek devices. Information on areas such as device packaging, various user guides for the range of Holtek development tools, quality management system information among others is available here.

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Sales and Service Offices
Taipei Sales Office (For Taiwan Domestic Region )
Holtek Semiconductor Inc. 
4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan
Tel: 886-2-2655-7070
Fax: 886-2-2655-7373
Website: www.holtek.com.tw

Contact Taipei Sales Office for sales and technical service
Regarding product samples, pricing, availability or other purchasing related services. Also technical support or questions on product, field applications or development tools.
China Regional Sales Office (For Mainland China)
Holtek Semiconductor Inc. (Shanghai Sales Office) 
G Room, 3 Floor, No.1 Building, No.2016 Yi-Shan Road, Minhang District, Shanghai, China 201103
Tel: 86-21-5422-4590
Fax: 86-21-5422-4705
Website: www.holtek.com.cn

Holtek Semiconductor Inc. (Shenzhen Sales Office)
5/F, Unit A, Productivity Building, Cross of Science M 3rd Road and Gaoxin M 2nd Road, Science Park, Nanshan District, Shenzhen, China 518057
Tel: 86-755-8616-9908, 8616-9308
Fax: 86-0755-8616-9722 

Holtek Semiconductor Inc. (Beijing Sales Office)
Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031
Tel: 86-10-66410030, 86-10-66417751, 86-10-66417752
Fax: 86-10-66410125

Holtek Semiconductor Inc. (Chengdu Sales Office)
709, Building 3, Champagne Plaza, No.97 Dongda Street, Chengdu, Sichuan, China 610016
Tel: 86-28-6653-6590
Fax: 86-28-6653-6591

Contact China Regional Sales Office for sales and technical service
Regarding product samples, pricing, availability or other purchasing related services. Also technical support or questions on product, field applications or development tools.

North America Sales Office (For United States and Canada Region)
Holtek Semiconductor (USA), Inc.
46729 Fremont Blvd., Fremont, CA 94538
Tel: 1-510-252-9880
Fax: 1-510-252-9885
Website: www.holtek.com

Contact North America Sales Office for sales and technical service
Regarding product samples, pricing, availability or other purchasing related services. Also technical support or questions on product, field applications or development tools.
International Sales Office (For Other Worldwide Areas not listed above)
Holtek Semiconductor Inc. 
4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan
Tel: 886-2-2655-7070
Fax: 886-2-2655-7383
Website: www.holtek.com.tw

Contact International Sales Office for sales and technical service
Regarding product samples, pricing, availability or other purchasing related services. Also technical support or questions on product, field applications or development tools.