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.

Date of Patent:
Apr. 03, 2018

Filed:

Jan. 13, 2017
Applicant:

Taiwan Semiconductor Manufacturing Company Limited, Hsinchu, TW;

Inventors:

Hao-I Yang, Taipei, TW;

Cheng Hung Lee, Hsinchu, TW;

Chi-Kai Hsieh, Taoyuan, TW;

Fu-An Wu, Hsinchu, TW;

Tsung-Hsien Huang, Hsinchu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 7/10 (2006.01); G11C 11/419 (2006.01); H03K 3/356 (2006.01); H03K 19/0175 (2006.01);
U.S. Cl.
CPC ...
G11C 11/419 (2013.01); G11C 7/10 (2013.01); H03K 3/356113 (2013.01); H03K 19/0175 (2013.01);
Abstract

A semiconductor device comprising a first supply voltage, a second supply voltage, different from the first supply voltage; and a switching circuit. The switching circuit comprises an input configured to receive an input signal corresponding to the first supply voltage and an output configured to output an output signal corresponding to the second supply voltage. The switching circuit is a combined latch with a built-in level shifter that provides latching functionality and level shifting functionality and a leakage path is cut-off when the switching circuit is providing latching functionality.


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