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A low power self-turnoff program method for one-time programmable memory

A novel self-turnoff control circuit for program process of one-time programmable (OTP) cell is proposed. Utilizing the current turnoff technology after the breakdown of OTP cell, it lowers the power consumption efficiently compared with traditional structures without turnoff mechanism. In addition, an additional delay circuit is also attached to the self-turnoff circuit to ensure the complete breakdown of OTP cell. The simulation results show that the average power consumption of proposed circuit decreases to about 3nA in the whole program process.