Patent ID: 6256237
Filing Date: 2001-07-03
Classification: G11C

Abstract:
A semiconductor device for repairing failed memory cells by programming fuse memory cells, comprising:a main memory cell array, comprising a plurality of main memory cells to save information;a fuse memory cell array, comprising a plurality of fuse memory cells;an address programmer, receiving a voltage source to program a fuse memory cell of the fuse memory cell array corresponding to a programming information;a sense amplifier, coupled to the fuse memory cell array to sense and receive a repair data information of the fuse memory cell array;a latch, coupled to the sense amplifier to receive the repair data information of the sense amplifier; anda redundant memory cell array, comprising a plurality of redundant memory cells and coupled to the latch, so as to repair a failed memory cell of the main memory cell array via a redundant memory cell corresponding to the repair data information from the latch.