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.:

US 8581627 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 12, 2013

Filed:

Aug. 31, 2011
Applicant:

Georgi Panov, Munich, DE;

Inventor:

Georgi Panov, Munich, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/0175 (2006.01);
U.S. Cl.
CPC ...
Abstract

One embodiment of the present invention relates to a level shifter circuit having switchable current mirrors that can be selectively activated and deactivated in a complementary manner to translate differential input signals between logic sides (e.g., to translate a differential input signal received at a low-side to a high-side). A latch is connected to outputs of the switchable current mirrors. The latch is configured to receive a translated output signal from an activated current mirror and drive the other output signal to a complementary value. The latch is also configured to provide the translated output signal to a switching element that deactivates (e.g., turns off) the activated switchable current mirror. Storage of the output signals allows for the current mirrors to remain deactivated until a new input signal is provided to the level shifter circuit, thereby allowing for a reduction in the static power consumption of the level shifter.


Find Patent Forward Citations

Panov, Georgi. (2013). High-speed level shifter between low-side logic and high-side logic (U.S. Patent No. 8581627). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8581627

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