Semiconductor device with redundancy circuit and means for activating same
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United States of America Patent
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-
Dec 13, 1988
Grant Date -
N/A
app pub date -
Apr 29, 1987
filing date -
Jun 20, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A semiconductor device such as a DRAM with many signal line circuits is also provided with a redundancy circuit and is so structured that when one of the signal line circuits is defective and the fuse contained by such a defective signal line circuit is cut off to inactivate it, an input signal which would select the inactivated signal line circuit will automatically select the redundancy circuit.
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