Semiconductor device and electronic system

A semiconductor device comprising:

• a first peripheral circuit region comprising a first peripheral circuit substrate, a plurality of lower circuitries, and a plurality of lower conductive lines;
• a cell region comprising a cell substrate on the first peripheral circuit region, a plurality of gate lines on the cell substrate, a plurality of conductive pad regions connected to the plurality of gate lines, and a plurality of first bonding metal pads;
• and
• a second peripheral circuit region apart from the first peripheral circuit region with the cell region between the first peripheral circuit and the second peripheral circuit region, the second peripheral circuit region comprising (A) a second peripheral circuit substrate, (B) a plurality of upper circuitries, (C) a plurality of upper conductive lines, and (D) a plurality of second bonding metal pads bonded to the plurality of first bonding metal pads,
• wherein the plurality of gate lines comprise (A) a first gate line connected to a first lower circuitry selected from the plurality of lower circuitries and (B) a second gate line connected to a first upper circuitry selected from the plurality of upper circuitries.

An electronic system comprising:

• a main substrate;
• a semiconductor device on the main substrate;
• and
• a controller circuitry electrically connected to the semiconductor device on the main substrate,
• wherein the semiconductor device comprises,
• a first peripheral circuit region comprising a plurality of lower circuitries,
• a second peripheral circuit region apart from the first peripheral circuit region in a vertical direction, the second peripheral circuit region comprising a plurality of upper circuitries, and
• a cell region comprising a plurality of word lines, the cell region between the first peripheral circuit region and the second peripheral circuit region in the vertical direction,
• wherein the plurality of word lines comprise a first word line connected to a first lower circuitry selected from the plurality of lower circuitries and a second word line connected to a first upper circuitry selected from the plurality of upper circuitries.