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.:
Date of Patent:
Oct. 06, 2015
Filed:
Jun. 18, 2014
Winbond Electronics Corp., Taichung, TW;
Douk Hyoun Ryu, San Jose, CA (US);
WINDBOND ELECTRONICS CORP., Taichung, TW;
Abstract
An RRAM circuit includes word lines, bit lines, source lines, memory cells, and a sense module. Each of the memory cells includes a resistor and a transistor. The resistor alternates between a high impedance and a low impedance, and is coupled to one of the bit lines. The transistor is controlled by one of the word lines and coupled between the resistor and one of the source lines. The sense module includes a switch and a sense amplifier. The switch is controlled by an output signal and coupled to one of the bit lines. The sense amplifier compares the data voltage, which is generated by a current flowing through the switch and the resistor, and a reference voltage to generate the output signal. The switch is turned off when the data voltage exceeds the reference voltage, and is turned on otherwise.