Semiconductor device and operation method thereof

The technology is arranged perpendicularly to the semiconductor substrate, the odd drain select line or Ibn drain select lines drain select transistor connected to, associated with the memory cells to word lines, the odd source select line or Ibn source a source select transistor coupled to the select line It includes a plurality of strings comprises the strings adjacent to each other are in the memory block that share the bit lines or the source lines; The page buffer configured to store data; The bit lines of different voltage received data supplied from the outside or stored in the page buffer, and the selection switch unit configured to transfer to the source lines; And a semiconductor device and its method of operation including a control circuit configured to control the parts of the page buffer, and the selection switch.