Semiconductor device having a diode type electrical fuse (e-fuse) cell array
AssigneeKey Foundry Co., Ltd.
InventorsJong Min Cho, Sung Bum Park, Kee Sik Ahn, Seong Jun Park
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Abstract
A semiconductor device includes a first word line configured to perform a writing operation or a programing operation, a second word line configured to perform a read operation, a first switching device including a first gate electrode and a first node, a second switching device comprising a second gate electrode and a second node, an electrical fuse (e-fuse) disposed between the first node and the second node, and a diode coupled to the first node and the first word line, wherein the first gate electrode and the second gate electrode are coupled to the second word line.
Claims15
A semiconductor device, comprising:
- a cell array comprising a plurality of cells, each cell of the plurality of cells comprising:
- a first switching device;
- a diode connected to the first switching device;
- a second switching device spaced apart from the first switching device;
- a fuse disposed between the first switching device and the second switching device;
- write word lines connected to the diode of each cell arranged in a row along an X-direction;
- bit lines connected to the first switching device of each cell arranged in a column along a Y-direction;
- and
- sense amplifiers connected to the bit lines.
A semiconductor device, comprising:
- a cell array including a plurality of cells, each cell of the plurality of cells comprising:
- a first switching device;
- a diode connected to the first switching device;
- a second switching device spaced apart from the first switching device;
- a fuse, wherein a program current flows through the fuse and the diode for programming the fuse;
- a write word line connected to the diode of each cell arranged in a first row along an X-direction;
- a first sense amplifier connected to the first switching device of each cell arranged in a first column along an Y-direction;
- and
- a second sense amplifier connected to the first switching device of each cell arranged in a second column along the Y-direction.
Dependencies are inferred from the claim text.