Dual port type semiconductor memory

A dual port type semiconductor memory using a dynamic type random access memory (RAM) includes; a plurality of word lines, a plurality of pairs of bit lines, and a dynamic type RAM connected at each intersection of the word lines and the bit lines. The semiconductor memory further includes a first c...

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Bibliographic Details
Main Author BABA; FUMIO
Format Patent
LanguageEnglish
Published 25.03.1986
Edition4
Subjects
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Summary:A dual port type semiconductor memory using a dynamic type random access memory (RAM) includes; a plurality of word lines, a plurality of pairs of bit lines, and a dynamic type RAM connected at each intersection of the word lines and the bit lines. The semiconductor memory further includes a first column decoder connected to a writing-reading out bus through a pair of gates (G1) including two transistors directly connected to each of the bit lines, and a second column decoder connected to a reading out bus through a pair of gates (G2) including four transistors. Gates of two of the four transistors of the second pair of gates are connected to each bit line. The other two of the four transistors are connected to the reading out bus.
Bibliography:Application Number: US19830536321