NAND ãã©ãã·ã¥ã¡ã¢ãªã¯ããããåããèµ·ããå¾ãããã¤ã¹ã§ãããECC (Error Correction Code / Error Checking and Correction) ã使ã£ã¦è£ã£ã¦ãã¾ãã ECC ã¯ãã¦ã¼ã¶ã¼ãã¼ã¿ã« ECC ãã¼ã¿ãä»å ãããã¨ã«ãã£ã¦ã誤ãè¨æ£ãè¡ããããã«ããä»çµã¿ã§ãã ECC ã¯ã1 ãããã®èª¤ããªãã°ãè¨æ£ãå¯è½ã§ãã 2 ãããã®èª¤ããªãã°ãè¨æ£ã¯ã§ãã¾ãããã誤ããçºçãããã¨ã¯æ¤åºã§ãã¾ãã 3 ããã以ä¸ã®èª¤ããããã°ãçµæã¯ã¾ã¡ã¾ã¡ã§ãã ééã£ãå¤æã«åºã¥ãã誤ãè¨æ£ãããã誤ãããªãã£ãã¨å¤æãããããããããã¾ããã ECC ãã¼ã¿ã¯ãã¦ã¼ã¶ã¼ãã¼ã¿ 2^N ãããã«å¯¾ãã2*N ãããå¿ è¦ã§ãã ä¾ãã°ãã¦ã¼ã¶ã¼ãã¼ã¿ã 8 ããããªãã°ãN = 3 ãªã®ã§ãECC ãã¼ã¿ã¯ 6 ãããå¿ è¦ã§ãã ã¦ã¼ã¶ã¼ãã¼ã¿ã 20
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}