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:
May. 14, 2024

Filed:

Nov. 17, 2022
Applicant:

Winbond Electronics Corp., Taichung, TW;

Inventor:

Chung-Zen Chen, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0619 (2013.01); G06F 3/0653 (2013.01); G06F 3/0679 (2013.01);
Abstract

A power-on read circuit includes a power voltage detector, a first voltage booster, a voltage selector, a reference voltage generator and a read voltage generator. The power voltage detector detects a power voltage to generate a control signal. The first voltage booster generates a first boosted voltage according to the control signal. The voltage selector selects the power voltage or the first boosted voltage to generate a selected voltage. The reference voltage generator receives the selected voltage as an operating power source, and generates a reference voltage based on the selected voltage according to the control signal. The read voltage generator generates a second boosted voltage according to the reference voltage and a clock signal, and generate a read voltage based on the second boosted voltage according to the control signal. The read voltage is provided to a memory cell array to perform a data reading operation.


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