Static information storage and retrieval – Read/write circuit – Differential sensing
Patent
1987-05-18
1989-02-21
Popek, Joseph A.
Static information storage and retrieval
Read/write circuit
Differential sensing
365149, G11C 700, G11C 1124
Patent
active
048071951
ABSTRACT:
A dual sense amplifier construction with divided bit line isolation. A switch is disposed at approximately the midpoint of a bit line to divide the bit line into first and second bit line segments. When opened, the switch provides electrical isolation between the first and second bit line segments so that an accessed memory charge can be isolated from one-half of the capacitance associated with the bit line. Once the isolated memory charge is read and pre-amplified, the remaining bit line capacitance is no longer of concern. The switch is then closed to provide electrical connection between the first and second bit line segments, thereby allowing the completion of the amplification operation.
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Busch Robert E.
Thoma Endre P.
International Business Machines - Corporation
Popek Joseph A.
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