Design of Asynchronous Multi-Bit OTP Memory. - Chul-Ho Choi; Jae-Hyung Lee; Tae-Hoon Kim; Oe-Yong Shim; Yoon-Geum Hwang; Kwang-Seon Ahn; Pan-Bong Ha; Young-Hee Kim (IEICE Trans. Electron., 2009)