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:
May. 23, 2000
Filed:
Nov. 12, 1998
Takahiko Yoshimoto, Yamatotakada, JP;
Sharp Kabushiki Kaisha, , JP;
Abstract
A semiconductor memory device includes: a memory cell array including a plurality of memory cells arranged in a matrix of rows and columns; and a row selector for selecting one of the rows of the memory cell array in accordance with an input address signal, the semiconductor memory device having a burst mode for sequentially accessing one row of memory cells. The memory cell array includes a plurality of groups each including at least one column of memory cells, and wherein the semiconductor memory device further includes: a column selector for simultaneously selecting all of the columns in each group in accordance with the input address signal; and at least two precharge circuits for precharging bit lines associated with the columns in each group selected by the column selector.