Three-dimensional memory and its forming method and control method
A control method and memory technology, applied in read-only memory, static memory, information storage, etc., can solve the problem of low storage density of storage units and achieve the effect of improving storage performance
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[0056] The specific implementation of the three-dimensional memory provided by the present invention, its forming method, and its control method will be described in detail below in conjunction with the accompanying drawings.
[0057] In a three-dimensional memory, bit line-channel plug-channel layer-epitaxial semiconductor layer (Selective Epitaxial Growth, SEG)-substrate-array common source layer (Array Common Source, ACS) together constitute a carrier path. When the information reading operation is performed on the storage unit in the three-dimensional memory, if the current in the path is conducted, the read value is "1"; if the current in the path is not conducted, the read value is "0". ".
[0058] Most of the current three-dimensional memories use TLC (Triple-Level Cell, three-layer storage unit) programming method, each physical storage unit can only store 3 bits of information, and the storage density is low, which limits the development of three-dimensional memory st...
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