Semiconductor memory device and method for pre-charging the same
AssigneeSamsung Electronics Co., Ltd.
InventorsKi Chul Chun, Kyu Chan Lee
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AssigneeSamsung Electronics Co., Ltd.
InventorsKi Chul Chun, Kyu Chan Lee
Estimating the term…
A semiconductor memory device and a method for pre-charging the same, the semiconductor memroy device comprising a plurality of memory cell array blocks, each having a plurality of memory cells connected between respective bit line pairs and respective word line pairs, a plurality of pairs of data input/output lines connected to the respective bit line pairs for transferring data, a first pre-charge circuit for pre-charging the bit line pairs to a first pre-charge voltage during a first operation, a second pre-charge circuit for pre-charging the data input/output line pairs and the first pre-charge voltage to the first pre-charge voltage during the first operation, a plurality of third pre-charge circuits, each being disabled in the first operation and pre-charges the data input/output line pairs in the corresponding memory cell array blocks to a second pre-charge voltage during a second operation, and a discharging circuit for lowering the first pre-charge voltage when the first pre-charge voltage is greater than a desired voltage level during the first operation.
A semiconductor memory device comprising:
A mehod for pre-charging a semiconductor memory device including a plurality of memory cell array blocks, each having a plurality of memory cells connected between respective bit line pairs and respective word line pairs, and a plurality of data input/output line pairs, each pair connected to the respective bit line pairs in the respective memory cell array blocks for transferring data, comprising:
Dependencies are inferred from the claim text.