发明授权
US08089809B2 Trap-charge non-volatile switch connector for programmable logic 有权
用于可编程逻辑的陷阱充电非易失性开关连接器

Trap-charge non-volatile switch connector for programmable logic
摘要:
A nonvolatile trap charge storage cell selects a logic interconnect transistor uses in programmable logic applications, such as FPGA. The nonvolatile trap charge element is an insulator located under a control gate and above an oxide on the surface of a semiconductor substrate. The preferred embodiment is an integrated device comprising a word gate portion sandwiched between two nonvolatile trap charge storage portions, wherein the integrated device is connected between a high bias, a low bias and an output. The output is formed by a diffusion connecting to the channel directly under the word gate portion. The program state of the two storage portions determines whether the high bias or the low bias is coupled to a logic interconnect transistor connected to the output diffusion.
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