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US 2012/0268992 A1Published application
Semiconductor memory device
AssigneeSK hynix Inc.
InventorsBeom Sik KIM, Young Soo PARK
Life of this patent
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Abstract
A semiconductor memory device includes a memory cell array configured to include a plurality of memory blocks, a voltage generator configured to output operating voltages for data input and output to global lines, and a row decoder configured to transfer the operating voltages to local lines of a memory block, selected from among the plurality of memory blocks, and supply a ground voltage to local lines of unselected memory blocks in response to address signals.
Claims20
A semiconductor memory device, comprising:
- a memory cell array configured to comprise a plurality of memory blocks;
- a voltage generator configured to output operating voltages for data input and output to global lines;
- and
- a row decoder configured to transfer the operating voltages to local lines of a memory block, selected from among the plurality of memory blocks, and supply a ground voltage to local lines of unselected memory blocks in response to address signals.
1 more element
A semiconductor memory device, comprising:
- a plurality of memory planes each configured to comprise a plurality of memory blocks;
- and
- a row decoder configured to transfer operating voltages to local lines of memory blocks, selected from among memory blocks of the plurality of memory planes, respectively, and supply a ground voltage to local lines of unselected memory blocks of the plurality of memory planes in response to address signals.
A method of supplying voltages to memory cells comprises:
- providing operating voltages to local lines of at least one memory block, where the at least one memory block is selected from a plurality of memory blocks, where a plurality of memory planes include the plurality of memory blocks;
- and
- supplying a ground voltage to the local lines of unselected memory blocks, where the operating voltages are transferred in response to address signals.
Dependencies are inferred from the claim text.