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ÇѱÛÁ¦¸ñ(Korean Title) |
Á¤Àû Àü·ùÃøÁ¤¿¡ ±â¹ÝÀ» µÐ °í½Å·Úµµ VLSI ½Ã½ºÅÛÀÇ ±¸Çö |
¿µ¹®Á¦¸ñ(English Title) |
Implementation of Highly Reliable VLSI Systems based on Current Monitoring |
ÀúÀÚ(Author) |
ÀåÈÆ
Hoon Chang
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¿ø¹®¼ö·Ïó(Citation) |
VOL 23 NO. 03 PP. 0234 ~ 0243 (1996. 03) |
Çѱ۳»¿ë (Korean Abstract) |
VLSI ½Ã½ºÅÛÀÇ º¹Àâµµ¿Í ¹Ðµµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó °íÁ¤ °áÇÔ ¸ðµ¨¿¡ ±â¹ÝÀ» µÐ ±âÁ¸ÀÇ ³í¸®°Ë»ç´Â ½Ã½ºÅÛÀÇ ³ôÀº ½Å·Úµµ¸¦ º¸ÀåÇϴµ¥ ÃæºÐÇÏÁö ¾Ê°Ô µÇ¾ú´Ù. ÃÖ±Ù¿¡ Iddq °Ë»ç¶ó°íµµ ºÒ¸®´Â Àü·ù ÃøÁ¤¿¡ ±â¹ÝÀ» µÐ »õ·Î¿î °Ë»ç ±â¹ýÀÌ ±âÁ¸ÀÇ ³í¸®°Ë»çÀÇ ´ÜÁ¡À» ±Øº¹ ÇÒ ¼ö ÀÖ°Ô µÊ¿¡ µû¶ó ¸Å¿ì Áß¿äÇØ Áö°í ÀÖ´Ù. º» ¿¬±¸¿¡¼´Â ³í¸®¼ÒÀÚ ³»ºÎ¿¡¼ ¹ß»ýÇÒ ¼ö ÀÖ´Â ºê¸´Áö °áÇÔÀ» Á¤ÀÇ, ºÐ¼®ÇÏ°í À̸¦ ¿Ïº®ÇÏ°Ô °ËÃâÇÒ ¼ö ÀÖ´Â Á¤¸®¸¦ Á¦¾ÈÇÏ¿´´Ù. ¶ÇÇÑ, ³í¸®¼ÒÀÚ ³»ºÎ¿¡¼ ¹ß»ýÇÒ ¼ö ÀÖ´Â ºê¸´Áö °áÇÔÀ» °ËÁõÇϱâ À§ÇÏ¿©, Àü·ùÃøÁ¤¿¡ ±â¹ÝÀ» µÐ ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÏ¿´´Ù. Á¦¾ÈµÈ ¾Ë°í¸®ÁòÀº ³í¸® ¼ÒÀÚ ³»ºÎ¿¡¼ ¹ß»ý°¡´ÉÇÑ ¸ðµç ºê¸´Áö °áÇÔÀ» ¿Ïº®ÇÏ°Ô °ËÁõÇÒ ¼ö ÀÖ¾úÀ¸¸ç, º¥Ä¡¸¶Å©È¸·Îµé¿¡ ´ëÇÑ ½ÇÇèÀ» ÅëÇÏ¿© ±× È¿À²¼ºÀÌ ÀÔÁõµÇ¾îÁ³´Ù. |
¿µ¹®³»¿ë (English Abstract) |
As the complexity and density of VLSI systems increase, the conventional logic test of systems based on stuck-at fault model has not been sufficient to guarantee the high reliability of the system. Recently, a new test aproach based on current monitoring, called Iddq test, becomes very important since it can overcome drawbacks of the conventional logic test. In this work, intra-gate bridge fault is defined and analyzed, and theorems for full detection of the intra-gate bridge faults are presented. Also, the algorithm for testing intra-gate bridge fault based on current monitoring is proposed, the proposed algorithm detects successfully all the possible intra-gate bridge gaults, and the efficiency of the proposed algorithm has been proved through the experiments on benchmark circuits. |
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