Variable logical circuit, semiconductor integrated circuit, and method for manufacturing semiconductor integrated circuit

A semiconductor integrated circuit comprising:

• a plurality of variable logical circuits including 2n memory cells to be alternatively selected according to a combination of signals of positive and negative phases for outputting signals of positive and negative phases according to storage data of the selected memory cells;
• variable wiring circuit including a plurality of signal lines for inter-connection between said variable logical circuits and switch elements for connection or disconnection between crossed signal lines;
• and
• a memory circuit for storage of wiring connection state for storing states of the switch elements of said variable wiring means,
• wherein said circuits and said variable wiring circuit are provided on a single semiconductor chip.

A semiconductor integrated circuit comprising:

• a logical circuit including a plurality of basic logic cells having a plurality of memory cells for setting of logic outputs thereof, switch elements for connection or disconnection between crossed signal lines, and a memory circuit for storing states of said switch elements, said logical circuit being able to form any logic;
• a memory for reading or writing data therefrom or therein from time to time;
• and
• a custom logical circuit or a central processing unit,
• wherein said logical circuit is formed as part of said memory.