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Patent Searching and Data


Title:
SEMICONDUCTOR STORAGE CIRCUIT AND ITS CONTROL METHOD
Document Type and Number:
Japanese Patent JPH11317083
Kind Code:
A
Abstract:

To provide an SRAM in which an erroneous writing to a nonselected column cell caused by the increase in the bit line load capacitance, resulting from the increase in the number of word lines, is prevented.

In a semiconductor storage circuit, plural memory cells are connected to a word line WA1. Data DAA1 on a bit line BA1 selected by a column signal COAL0 are written into the cell C11. During the writing, the potential of a substrate k of the inverter, which constitutes of a nonselected memory cell C12, is controlled to a prescribed potential, that differs from the potential of the selected cell C11. Thus, the malwriting to a nonselected memory cell is prevented.


Inventors:
NAKAYAMA NAOYA
Application Number:
JP12198198A
Publication Date:
November 16, 1999
Filing Date:
May 01, 1998
Export Citation:
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Assignee:
NEC CORP
International Classes:
G11C11/413; (IPC1-7): G11C11/413
Attorney, Agent or Firm:
Yasuyuki Hata