Semiconductor device including a repetitive pattern

A semiconductor device comprising:

• a first repetitive unit including a plurality of decoders for selecting a word line, a plurality of input wires of each of the decoders being connected to a plurality of address wires;
• and
• a second repetitive unit arranged symmetrically with and adjacent to the first repetitive unit and having a plurality of decoders for selecting a word line, a plurality of input wires of each of the decoders being connected to a plurality of address wires,
• wherein the first and second repetitive units have an input wire of the decoders and a contact between the input wire and the address wire, which are located on a boundary portion of the first and second repetitive units, in common.

The semiconductor device comprising:

• a decoder for outputting a plurality of word-line driving voltages in accordance with an address signal;
• a plurality of wires connected to the decoder and supplied with the plurality of word-line driving voltages;
• a first repetitive unit including a plurality of driving circuits whose output terminals are connected to word lines and connected to the plurality of wires;
• and
• a second repetitive unit including a plurality of driving circuits whose output terminals are connected to word lines and contacts connected to the plurality of wires, the contacts of the second repetitive unit being arranged symmetrically with contacts of the first repetitive unit,
• wherein driving circuits located on a boundary portion between the first and second repetitive units have a contact connected to one of the plurality of wires in common.