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:
Sep. 11, 2007
Filed:
Jan. 16, 2007
Sung Soo Chung, San Jose, CA (US);
Sang Hyeon Baeg, Cupertino, CA (US);
Sung Soo Chung, San Jose, CA (US);
Sang Hyeon Baeg, Cupertino, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
An AC boundary scan cell is disclosed. For one embodiment the AC boundary scan cell includes a first multiplexer, a second multiplexer, a first data shift register, a second data register, an XOR logic gate, and a third multiplexer. For one such embodiment the AC boundary scan cell includes an SDI line, an SDO line, a TDI line, a TDO line, a ShiftDR signal input line, an AC_Pattern_Clock or ClockDR signal input line, an UpdateDR signal input line, and a Mode signal input line. The AC boundary scan cell also includes an AC_Pattern_Source signal input line and an AC_Test signal input line. For one such embodiment, each line is coupled to receive the corresponding signal from the boundary scan logic.