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:
Jul. 18, 2000
Filed:
Apr. 20, 1999
Applicant:
Inventors:
Tae Hum Yang, Seoul, KR;
Chae Hyun Jung, Kyungsangbuk-Do, KR;
Assignee:
Hyundai Electronics Industries Co., Ltd., Kyungki-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 60 ; 307110 ;
Abstract
A voltage generation circuit of a semiconductor memory device has a charge pump circuit for supplying a voltage required to operate the semiconductor memory device; a voltage divide circuit having a plurality of capacitors and connected to the output of the charge pump circuit to divide the output of the charge pump circuit; an initialization means for discharging charges charged to the plurality of capacitors according to a reset signal; and a differential amplifier for controlling the charge pump circuit according to the result of comparison of the voltage divide circuit and a reference voltage.