Semiconductor device with redundancy function

The present invention provides a semiconductor device, which includes a plurality of functional blocks, wherein each functional block is configured on the substrate. The memory block as one of the memory blocks includes a plurality of memory units for recording information, and substitute with at least one memory unit for the memory unit, the redundancy memory unit for recording information. The functional circuit block as one of the function blocks is connected to the memory block through wiring. The program wiring block as one of the function blocks is configured on the substrate without wiring overlapped on the substrate; and, the program for the signal path is a program wiring portion for replacing the bad memory units with the redundant memory units. The data transmission portion is extended from the program wiring block toward the memory block, and forwards the program information of the program related to the program wiring portion to the memory block.