| 摘要 |
An Input/Output selection circuit of column repair which selects only one Input/Output piece from an n-piece Input/Output decoder circuit according to the state of an m-piece selective Input/Output fuse from a selective Input/Output circuit and which selects only the failed Input/Output from n-pieces of Input/Output with one spare column, where m, n are integers, and n=2m. Only 0-3 piece(s) of fuse is cut in the case where there are 8 pieces of Input/Output. |
