The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 2010
Filed:
Aug. 30, 2006
Bing-jye Kuo, Hsinchu, TW;
Shou-tsung Wang, Tainan County, TW;
Po-sen Tseng, Hsinchu Hsien, TW;
Chih-chun Tang, Taipei, TW;
Shin-fu Chen, Tainan, TW;
Bing-Jye Kuo, Hsinchu, TW;
Shou-Tsung Wang, Tainan County, TW;
Po-Sen Tseng, Hsinchu Hsien, TW;
Chih-Chun Tang, Taipei, TW;
Shin-Fu Chen, Tainan, TW;
Mediatek Inc., Hsin-Chu, TW;
Abstract
An input/output device comprises a bonding pad, a signal transport circuit, and a blocking unit. The signal transport circuit has a first terminal connected to the bonding pad and a second terminal connected to a core circuit of an IC product. The signal transport circuit is capable of transporting a signal either from the bonding pad to the core circuit or from the core circuit to the bonding pad. The blocking unit has a control terminal and is coupled between the bonding pad and the signal transport circuit. The control terminal is coupled to receive an enable signal. The blocking unit ties the bonding pad to a predetermined voltage level when the enable signal is de-asserted, thereby blocking the signal transport provided by the signal transport circuit. The blocking unit unties the bonding pad from the predetermined voltage level when the enable signal is asserted.