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Ȩ Ȩ > ¿¬±¸¹®Çå > Çмú´ëȸ ÇÁ·Î½Ãµù > Çѱ¹Á¤º¸Åë½ÅÇÐȸ Çмú´ëȸ > 2011³â Ãá°èÇмú´ëȸ

2011³â Ãá°èÇмú´ëȸ

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) 0.18§­ Generic °øÁ¤ ±â¹ÝÀÇ 8ºñÆ® eFuse OTP Memory ¼³°è
¿µ¹®Á¦¸ñ(English Title) Design of an eFuse OTP Memory of 8bits Based on a Generic Process
ÀúÀÚ(Author) ÀåÁöÇý   ±è±¤ÀÏ   ÀüȲ°ï   ÇÏÆǺÀ   ±è¿µÈñ   Ji-Hye Jang   Kwang-Il Kim   Hwang-Gon Jeon   Pan-Bong Ha   Young-Hee Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 15 NO. 01 PP. 0687 ~ 0691 (2011. 05)
Çѱ۳»¿ë
(Korean Abstract)
º» ³í¹®¿¡¼­´Â ¾Æ³¯·Î±× Æ®¸®¹Ö¿ëÀ¸·Î »ç¿ëµÇ´Â 0.18§­ generic °øÁ¤ ±â¹ÝÀÇ EM (Electro-Migration)°ú eFuseÀÇ ÀúÇ× º¯µ¿À» °í·ÁÇÑ 8bit eFuse OTP (One-Time Programmable) ¸Þ¸ð¸®¸¦ ¼³°èÇÏ¿´´Ù. eFuse OTP ¸Þ¸ð¸®´Â eFuse¿¡ Àΰ¡µÇ´Â program power¸¦ Áõ°¡½ÃÅ°±â À§ÇØ external program voltage¸¦ »ç¿ëÇÏ¿´À¸¸ç, ÇÁ·Î±×·¥µÇÁö ¾ÊÀº cell¿¡ È帣´Â read current¸¦ ³·Ãß±â À§ÇØ RWL (Read Word-Line) activation ÀÌÀü¿¡ BLÀ» VSS·Î prechargingÇÏ´Â ¹æ½Ä°ú read NMOS transistor¸¦ ÃÖÀûÈ­ ¼³°èÇÏ¿´´Ù. ±×¸®°í ÇÁ·Î±×·¥µÈ eFuse ÀúÇ×ÀÇ º¯µ¿À» °í·ÁÇÑ variable pull-up load¸¦ °®´Â sensing margin test ȸ·Î¸¦ ¼³°èÇÏ¿´´Ù. ÇÑÆí eFuse linkÀÇ length¸¦ splitÇÏ¿© eFuse OTPÀÇ ÇÁ·Î±×·¥ ¼öÀ² (program yield)À» ³ô¿´´Ù.
¿µ¹®³»¿ë
(English Abstract)
In this paper, we design an 8-bit eSuse OTP (one-time programmable) memory in consideration of EM (electro-migration) and eFuse resistance variation based on a 0.18§­ generic process, which is used for an analog trimming application. First, we use an external program voltage to increase the program power applied an eFuse. Secondly, we apply a scheme of precharging BL to VSS prior to RWL (read word line) activation and optimize read NMOS transistors to reduce the read current flowing through a non-programmed cell.  Thirdly, we design a sensing margin test circuit with a variable pull-up load out of consideration for the eFuse resistance variation of a programmed eFuse. Finally, we increase program yield of eFuse OTP memory by splitting the length of an eFuse link.
Å°¿öµå(Keyword) eFuse OTP   generic process   Electro-Migration   Variable pull-up load   Program yield  
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