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http://dx.doi.org/10.6109/jkiice.2010.14.8.1877

Design of a redundancy control circuit for 1T-SRAM repair using electrical fuse programming  

Lee, Jae-Hyung (창원대학교)
Jeon, Hwang-Gon (창원대학교)
Kim, Kwang-Il (창원대학교)
Kim, Ki-Jong (창원대학교)
Yu, Yi-Ning (창원대학교)
Ha, Pan-Bong (창원대학교)
Kim, Young-Hee (창원대학교)
Abstract
In this paper, we design a redundancy control circuit for 1T-SRAM repair using electrical fuse programming. We propose a dual port eFuse cell to provide high program power to the eFuse and to reduce the read current of the cell by using an external program supply voltage when the supply power is low. The proposed dual port eFuse cell is designed to store its programmed datum into a D-latch automatically in the power-on read mode. The layout area of an address comparison circuit which compares a memory repair address with a memory access address is reduced approximately 19% by using dynamic pseudo NMOS logic instead of CMOS logic. Also, the layout size of the designed redundancy control circuit for 1T-SRAM repair using electrical fuse programming with Dongbu HiTek's $0.11{\mu}m$ mixed signal process is $249.02 {\times}225.04{\mu}m^{2}$.
Keywords
Redundancy; eFuse; OTP; external program voltage; address comparison circuit;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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