A differential paired eFuse OTP(one-time programmable)memory cell which can be configured into a 2D(two-dimensional)eFuse cell array was proposed.The sensible resistance of a programmed eFuse link is a half smaller th...A differential paired eFuse OTP(one-time programmable)memory cell which can be configured into a 2D(two-dimensional)eFuse cell array was proposed.The sensible resistance of a programmed eFuse link is a half smaller than that of the single-ended counterpart and BL datum can be sensed without a reference voltage.With this 2D array of differential paired eFuse OTP memory cells,we design a 32-bit eFuse OTP memory IP.We use a sense amplifier based D F/F circuit as the BL(bit-line)SA(sense amplifier)and design a sensing margin test circuit with a variable pull-up load.It is confirmed by the function test that the designed 32-bit OTP memory IP functions normally on 30 sample dies.展开更多
基金Project supported by the Second Stage of Brain Korea 21 Projectssupported by Industrial Strategic Technology Development Program funded by the Ministry of Knowledge Economy (MKE,Korea)(10039239,"Development of Power Management System SoC Supporting Multi-Battery-Cells and Multi-Energy-Sources for Smart Phones and Smart Devices")
文摘A differential paired eFuse OTP(one-time programmable)memory cell which can be configured into a 2D(two-dimensional)eFuse cell array was proposed.The sensible resistance of a programmed eFuse link is a half smaller than that of the single-ended counterpart and BL datum can be sensed without a reference voltage.With this 2D array of differential paired eFuse OTP memory cells,we design a 32-bit eFuse OTP memory IP.We use a sense amplifier based D F/F circuit as the BL(bit-line)SA(sense amplifier)and design a sensing margin test circuit with a variable pull-up load.It is confirmed by the function test that the designed 32-bit OTP memory IP functions normally on 30 sample dies.