Daichi Kaku, T. Namekawa, K. Matsufuji, O. Wada, H. Ito, Y. Sugisawa, Sakiko Shimizu, Takeshi Yamamoto, Kenji Honda, M. Hamada, K. Numata
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A field programmable 40-nm pure CMOS embedded memory macro using a PMOS antifuse
A Pure CMOS One-time Programmable memory (PCOP) macro using a PMOS antifuse is designed for field programming. In this work, a Temperature-controlled programming Voltage Generator (TVG) realizes field programming by improving programming characteristics over a wide temperature range, from −40° C to 125° C, and supply voltage variations of ±10%. In addition, the memory cell dimensions are optimized and reduced by 40%, which also results in better reading characteristics. PCOP has a 16-Kbit capacity, uses 1.1-V and 3.3-V power sources, occupies 0.224 mm and is implemented in a 40-nm pure CMOS logic technology with thin and thick oxide film transistors.