Abstract

One-time programmable (OTP) memory is essential to the security and gaming industries because of its ``write once, read many'' capability. This device supports N-metal-oxide-semiconductor polycrystalline-silicon junctionless gate-all-around (GAA) nanowire transistor technology and can perform multistate antifuse. It is capable of functioning in four states instead of in the standard two states (open/short). Furthermore, the states can be read as fully open (0, 0), drain-gate breakdown (0, 1), source-gate breakdown (1, 0), and full breakdown (1, 1) states. The antifuse is formed from the oxide breakdown between the gate and the source or drain (S/D). Moreover, because multiple samples have been successfully produced, its information can be displayed as a chart or table to instantly convey information about the current device's state to programmers by reading the S/D current.

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