Semiconductor devices the include a fuse part including an antifuse and protection circuit

A semiconductor device includes a fuse part including an antifuse that is connected between a first common node to which a high voltage that is higher than an internal boost voltage is applied and a first node. The fuse part is enabled in response to a program mode selection signal and an address si...

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Bibliographic Details
Main Author KO SANG-GI
Format Patent
LanguageEnglish
Published 21.02.2008
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
INFORMATION STORAGE
PHYSICS
RELAYS
SELECTORS
STATIC STORES
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Summary:A semiconductor device includes a fuse part including an antifuse that is connected between a first common node to which a high voltage that is higher than an internal boost voltage is applied and a first node. The fuse part is enabled in response to a program mode selection signal and an address signal so as to fuse the antifuse in response to the high voltage applied to the first common node and to set a voltage level of a second node. A latch circuit is configured to latch an output signal responsive to the voltage level of the second node when the fuse part is in a fused state. A protection circuit is configured to lower a voltage level at the first node when the fuse part is not enabled and the high voltage is applied to the first common node.
Bibliography:Application Number: US20070800635