Static information storage and retrieval – Addressing – Plural blocks or banks
Patent
1998-04-13
2000-07-11
Nelms, David
Static information storage and retrieval
Addressing
Plural blocks or banks
36518513, 36518525, 365149, G11C 800
Patent
active
060882832
ABSTRACT:
In a semiconductor memory, in order to eliminate unbalance of the coupling capacitance between a bit line and a bus line so as to prevent noises from occurring, a layer of a column selection signal line is disposed in an intermediate layer position between a layer of the bit line and a layer of the bus line. Also, the width of the column selection line is increased to cover the bit lines whose width are different from each other due to a contact, to thereby shield the bit line and the bus line by the column selection signal line, and to balance of the coupling capacitance between the bit line and the bus line.
REFERENCES:
patent: 5742545 (1998-04-01), Kato
patent: 5757707 (1998-05-01), Abe
patent: 5838604 (1998-11-01), Tsuboi et al.
NEC Corporation
Nelms David
Nguyen Tuan T.
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