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:
Dec. 26, 2023

Filed:

Jul. 29, 2021
Applicant:

Micron Technology, Inc., Boise, ID (US);

Inventor:

Pierguido Garofalo, San Donato, IT;

Assignee:

Micron Technology, Inc., Boise, ID (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 5/14 (2006.01); G05F 1/46 (2006.01); G05F 1/59 (2006.01); G05F 1/575 (2006.01);
U.S. Cl.
CPC ...
G11C 5/147 (2013.01); G05F 1/462 (2013.01); G05F 1/575 (2013.01); G05F 1/59 (2013.01);
Abstract

A level shifter receives an input signal in a first power domain and generates a corresponding output signal in a second power domain. The transition time of the output signal may be longer during a low-to-high transition than during a high-to-low transition or vice versa. The level shifter may provide two outputs, wherein one of the two outputs has a shorter transition time during a high-to-low transition and the other output has a shorter transition time during a low-to-high transition. By using an inverter on the second output, two non-inverted outputs are generated with different transition times. A ramp selection circuit is used to select between the first output and the inverted second output. The ramp selection circuit selects the output with the shortest transition time.


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