| 摘要 |
A repair fuse circuit and a repair fuse test method are provided to reduce fabrication time and cost by detecting repair fuse failure in advance. A driving part(10) outputs an address coding signal enabling one of a normal address path and a repair address path according to a blowing state of a repair fuse. A test mode response type latch part(20) transfers the address coding signal, and latches the address coding signal selectively according to test mode entry. The test mode response type latch part does not latch the address coding signal in correspondence to power down during test mode entry.
|
