Semiconductor device having read and write operations corresponding to read and write row control signals
In a semiconductor device that needs a refresh operation for storing data, data of memory cells selected in response to a row address is read to main amplifiers through bit line pairs, sense amplifiers and data line pairs in a page-mode read operation. Thereafter, while outputting the data held in t...
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Format | Patent |
Language | English |
Published |
14.11.2006
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Online Access | Get full text |
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Abstract | In a semiconductor device that needs a refresh operation for storing data, data of memory cells selected in response to a row address is read to main amplifiers through bit line pairs, sense amplifiers and data line pairs in a page-mode read operation. Thereafter, while outputting the data held in the main amplifiers to the outside, connecting transistors are turned off so as to disconnect the main amplifiers from the memory cells, and thus, the memory cells can be precharged. Also, in a page-mode write operation, while writing externally supplied input data in the main amplifiers, the memory cells can be precharged. |
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AbstractList | In a semiconductor device that needs a refresh operation for storing data, data of memory cells selected in response to a row address is read to main amplifiers through bit line pairs, sense amplifiers and data line pairs in a page-mode read operation. Thereafter, while outputting the data held in the main amplifiers to the outside, connecting transistors are turned off so as to disconnect the main amplifiers from the memory cells, and thus, the memory cells can be precharged. Also, in a page-mode write operation, while writing externally supplied input data in the main amplifiers, the memory cells can be precharged. |
Author | Fujimoto, Tomonori Kikukawa, Hirohito Ohta, Kiyoto |
Author_xml | – sequence: 1 givenname: Tomonori surname: Fujimoto fullname: Fujimoto, Tomonori – sequence: 2 givenname: Kiyoto surname: Ohta fullname: Ohta, Kiyoto – sequence: 3 givenname: Hirohito surname: Kikukawa fullname: Kikukawa, Hirohito |
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CorporateAuthor | Matsushita Electric Industrial Co., Ltd |
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References | Fujii et al. (5274598) 19931200 Naritake (5978255) 19991100 Fujimoto et al. (6507529) 20030100 (5-6659) 19930100 Cheng (5241503) 19930800 Suzuki (5253211) 19931000 Hirata et al. (6009024) 19991200 |
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Snippet | In a semiconductor device that needs a refresh operation for storing data, data of memory cells selected in response to a row address is read to main... |
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Title | Semiconductor device having read and write operations corresponding to read and write row control signals |
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