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:
Mar. 13, 2001
Filed:
Dec. 16, 1999
Mi-Kyung Yun, Ichon, KR;
Jong-Hee Han, Ichon, KR;
Hyundai Electronics Industries Co., Ltd., Ichon-shi, KR;
Abstract
A method for performing a read data operation in a double data rate (DDR) synchronous dynamic random access memory (SDRAM) capable of effectively issuing two data within one clock cycle for high-speed operation. The method includes the steps of simultaneously accessing two memory cells and prefetching data stored in the two memory cells, which includes first and second bit data. The method continues by latching the first and second bit data, generating signals to synchronize the first and second bit data with rising and falling edges of a clock and to control an issue of the first and second bit data, and issuing the first and second bit data in response to the generated signals.