| 摘要 |
The present invention discloses a bias circuit for a sense amplifier having a device under sensing, the device under sensing having an un-programmed state and a programmed state, the bias circuit comprises at least one first branch having at least one first device formed substantially the same as the device under sensing and remaining in the un-programmed state, and at least one second device formed also substantially the same as the device under sensing and being in the programmed state, wherein the at least one first device and the at least one second device are serially connected. A typical application of the present invention is an electrical fuse memory.
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