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:
Sep. 10, 2024

Filed:

Nov. 14, 2022
Applicant:

Macronix International Co., Ltd., Hsinchu, TW;

Inventor:

Hsien-Hung Wu, Hsinchu, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/04 (2006.01); H03B 5/24 (2006.01);
U.S. Cl.
CPC ...
H03B 5/04 (2013.01); H03B 5/24 (2013.01);
Abstract

A thermally compensated circuit includes a first adjustable circuit, like an adjustable current source, to produce a first adjustable signal, such a reference current. The circuit includes a second adjustable circuit to produce a second adjustable signal, such as a reference voltage. Circuitry responsive to the first and second adjustable signals produces an output, such as a clock signal. A tunable circuit in the first adjustable circuit and a tunable first element of the second adjustable circuit set an operating characteristic, such as a clock period, of the output to a target level at a first temperature. A tunable second element of the second adjustable circuit sets the operating characteristic of the output signal at the target level at a second temperature. Tuning of the second tunable element at the second temperature does not substantially change the operating characteristic of the output signal at the first temperature.


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