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Dynamic semiconductor memory device having an improved sense amplifier layout arrangement
Dynamic semiconductor memory device having an improved sense amplifier layout arrangement
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机译:具有改进的读出放大器布局布置的动态半导体存储器件
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摘要
A dynamic semiconductor memory device is made up of a plurality of dynamic memory cells arrayed along a plurality of bit line pairs, and a plurality of dynamic sense amplifiers associated with the plurality of bit line pairs, each sense amplifier having a pair of MOS transistors connected to a corresponding pair of bit lines. In one embodiment, the first and second transistors of one of the sense amplifiers and the first and second transistors of another sense amplifier adjacent thereto are positioned within a region defined by two adjacent pairs of bit lines. Each of the bit line pairs has first and second bit lines extending in a first direction perpendicular to a second direction in which the source and drain regions are formed in the semiconductor substrate so that the transistors of the sense amplifiers are arranged one for every four bit lines in the second direction.
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