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Á¦ 3¼¼´ë ÈÞ´ë ÀüÈ­¿ë

¼¼°è ÃÖ´ë ¸Þ¸ð¸® ¿ë·®ÀÇ 4Chip StackÇü MCPÀ» ¹ß¸Å
~ Flash Memory 2chip°ú ¸ð¹ÙÀÏ FCRAM, ¹× SRAMÀ» ¿ø ÆÐŰÁöÈ­ ~
´ç»ç´Â À̹ø¿¡ 64Mb (ÀÌÇÏ Mb)NORÇü Dual Operation ¡¤ Flash Memory 2Chip°ú, ºñµ¿±â SRAM Interface ä¿ëÀÇ 32Mb¸ð¹ÙÀÏ FCRAMR(*1), ¹× 8Mb SRAMÀ» žÀçÇØ, MCP·Î¼­´Â ¼¼°èÃÖ´ë ¸Þ¸ð¸® ¿ë·®ÀÇ 4Chip Stack (ÀûÃþ)Çü MCP(Multi Chip Package)¡¸MB84VZ064A¡¹À» °³¹ßÇØ, 12¿ù 6ÀϺÎÅÍ ÆÇ¸Å¸¦ °³½ÃÇÏ¿´½À´Ï´Ù.
º» Á¦Ç°Àº, Á¾·¡ 2°³ÀÇ MCP·Î ±¸¼ºµÇ¾î ÀÖ´Â ¸Þ¸ð¸® ºÎºÐÀ» 4Ĩ ½ºÅÃÇü MCP¿¡ ¿ø ÆÐŰÁöÈ­(PBGA *2-103ball) ÇÑ °ÍÀ¸·Î, Á¾·¡ Á¦Ç°(*3)¿¡ ºñÇÏ¿©, ½ÇÀå ¸éÀûÀ» ¾à63%»è°¨ÇØ, ¼ÒÇüÈ­(10.0¡¿93.0¡¿1.4§®)À» ½ÇÇö½ÃÄ×½À´Ï´Ù.
ÃÖ±Ù, ÈÞ´ëÀüÈ­´Ü¹ß±â±â¿¡ ´ëÇ¥µÇ´Â ¸ð¹ÙÀÏ ±â±â´Â °í¼º´ÉÈ­¿Í ¼ÒÇüÈ­ÀÇ ±æÀ» °¡°í ÀÖ½À´Ï´Ù.
2001³â10¿ùºÎÅÍ, Á¦3¼¼´ëÀ̵¿Åë½Å½Ã½ºÅÛÀÇ ÈÞ´ëÀüÈ­´Ü¸»ÀÌ ¹ß¸ÅµÇ´Â µî, ÈÞ´ëÀüÈ­ÀÇ ±â´É Çâ»ó°ú Àü¼Û¼ÓµµÀÇ °í¼ÓÈ­°¡ ²ÒÇØÁö°í ÀÖ½À´Ï´Ù. À̰ÍÀ¸·ÎºÎÅÍ »ç¿ëµÇ¾îÁø MCPÀÇ ¸Þ¸ð¸®´Â º¸´Ù ´ë¿ë·®, °í¼Ó, ¼ÒÇü, Àú¼Òºñ Àü·ÂÈ­°¡ ¿ä±¸µÇ¾îÁö°í ÀÖ½À´Ï´Ù. º» Á¦Ç°Àº, ÇÁ·Î±×·¥ °Ý³³, ¹× µ¥ÀÌÅÍ º¸Á¸¿ë¿¡, 0.17§­ÇÁ·Î¼¼¼­ Å×Å©³î·ÎÁö¸¦ ä¿ëÇÑ 64Mb NORÇü Dual Operation ¡¤ Flash MemoryÀÇ 2ĨÀ» žÀçÇÏ¿´½À´Ï´Ù. º» Flash Memory´Â Á¾·¡ÀÇ NOR FLASH MEMORY¿Í ºñ±³ÇÏ¿©, ¼½Å¸ ¼Ò°Å ½Ã°£À» 0.2ÃÊ·Î ´ÜÃà(Á¾·¡´Â 1ÃÊ), ¾ï¼¼½º ½ºÇǵ嵵 70nsÃÊ(ÀÌÇÏ, ns, Á¾·¡Ç°Àº 80ns)¿Í Àü±âÀû Ư¼ºÀ» ´ëÆø Çâ»ó½ÃÄ×½À´Ï´Ù.
¶Ç, µ¥ÀÌÅÍ º¸Á¸¿ëÀ¸·Î½á »ç¿ëÇÏ´Â RAMÀº, ÃÖ½ÅÀÇ 32Mb ¸ð¹ÙÀÏFCRAM(Á¦ 2¼¼´ëǰ *4)¿Í, 8Mb SRAMÀÌ Å¾ÀçµÇ¾îÁ® ÀÖ½À´Ï´Ù.
32Mb¸ð¹ÙÀÏ FCRAM(Á¦ 2¼¼´ëǰ)Àº, ´ç»ç µ¶ÀÚ °³¹ßÀÇ °í¼Ó, Àú¼Òºñ Àü·Â ¸Þ¸ð¸®·Î, ±âÁ¸ÀÇ MCP¿¡ žÀçµÇ¾îÁ® ÀÖ´Â 32Mb¸ð¹ÙÀÏFCRAM(Á¦1¼¼´ëǰ*4)¿¡ ºñÇØ¼­ µ¿ÀÛ Àü·ù¸¦ 25§Ì(Á¦1¼¼´ëǰ 30§Ì)¿¡ »è°¨, ¾ï¼¼½º ½ºÇǵ嵵 70ns(Á¦1 ¼¼´ëǰ 85ns)À¸·Î Çâ»óµÇ¾ú½À´Ï´Ù. ´ç»ç´Â ±ÝÈÄ¿¡µµ °í°´ÀÇ ¿ä±¸¿¡ ºÎÀÀÇϰíÀÚ, ºê·Îµå ¹êµå¡¤ ÀÎÅͳÝÀÇ ½Ã´ë¿¡ ÃÖÀûÀÎ ´Ù±â´ÉÈ­ ,°í±â´ÉÈ­, »õ·Î¿î ´ë¿ë·® µîÀ» ½ÇÇöÇÑ Á¦Ç°À» º¸´Ù »¡¸® °³¹ßÇØ, Á¦°øÇϰڽÀ´Ï´Ù.
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[»ùÇð¡°Ý]
9,000¿£ (¼¼±Ýº°µµ)

[»ùÇà ÃâÇÏ °¡°Ý]
2001³â 12¿ù 6ÀϺÎÅÍ

[ÆÇ¸Å¸ñÇ¥]
20¸¸°³/¿ù

[ÁÖ¿ä»ç¾ç]
1.ǰÁ¾ ±¸¼º : 64Mb µà¾ó ¿ÀÆÛ·¹ÀÌ¼Ç Ç÷¡½¬ ¸Þ¸ð¸® x2,
                   32Mb ¸ð¹ÙÀÏ FCRAM, 8Mb SRAM
2. ¾ï¼¼½º ŸÀÓ¡¤ ÁÖ¼Ò ¾ï¼¼½º : ÃÖ´ë 70ns(64Mb Ç÷¡½¬ ¸Þ¸ð¸®)
                   ¡¤ ¸®µå ¾ï¼¼½º : ÃÖ´ë 70ns(32Mb ¸ð¹ÙÀÏ FCRAM), ÃÖ´ë 70ns(8Mb SRAM)
                   ¡¤ ¼Ò°Å ½ºÇǵå : Ç¥ÁØ 0.2ÃÊ/¼½ÅÍ(64Mb Ç÷¡½¬ ¸Þ¸ð¸®)
3. µ¿ÀÛ Àü¿ø Àü¾Ð : VCC = 2.7V~3.1V
4. ¼Òºñ Àü·Â ½ºÅĹÙÀÌ Àü·ù : ÃÖ´ë 5§Ë (64Mb Ç÷¡½¬ ¸Þ¸ð¸®)
                                       ÃÖ´ë 100§Ë (32Mb ¸ð¹ÙÀÏ FCRAM)
                                       ÃÖ´ë 15§Ë (8Mb SRAM)
    ÆÄ¿ö ´Ù¿î¸ðµå : ÃÖ´ë 10§Ë (32Mb ¸ð¹ÙÀÏ FCRAM)
                          ÃÖ´ë 18§Ì(5MHzµ¿ÀÛ½Ã, 64Mb Ç÷¡½¬ ¸Þ¸ð¸®)
                          ÃÖ´ë 25§Ì (32Mb ¸ð¹ÙÀÏFCRAM)
                          ÃÖ´ë 50§Ì (10MHzµ¿ÀÛ½Ã, 8Mb SRAM)
    °³¼­/¼Ò°Å µ¿ÀÛ : ÃÖ´ë 35 §Ì (64Mb Ç÷¡½¬ ¸Þ¸ð¸®)
5. ÆÐijÁö Ç¥ÁØÇü ÇÃ¶ó½ºÆ½ BGA-103 º¼ (½ÅÈ£ º¼ :96, º¸°­ º¼ :7)

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[¿ë¾î ¼³¸í]
*1 ¸ð¹ÙÀÏFCRAM(Fast Cycle Random Access Memory):
    FCRAMÀº, ´ç»ç µ¶ÀÚ °³¹ßÀÇ Â÷¼¼´ë ¸Þ¸ð¸® ÄÚ¾Æ ±â¼úÀÔ´Ï´Ù. ¸ð¹ÙÀÏFCRAM Àº ±× ±â¼úÀ» ÀÌ¿ëÇØ,ÈÞ´ëÁ¤º¸
    ´Ü¸» ¿ëµµ¿ë¿¡ Àú¼Òºñ Àü·ÂÈ­¸¦ ²ÒÇØ, ºñµ¿±â SRAMÇü ÀÎÅÍÆäÀ̽º¸¦ ä¿ëÇϰí ÀÖ½À´Ï´Ù.
*2 PBGA (Plastic Ball Grid Array):
    Ç¥¸é ½ÇÀåÇü ÇÃ¶ó½ºÆ½ ÆÐŰÁöÀÇ ÀÏÁ¾ÀÔ´Ï´Ù.
*3 Á¾·¡ Á¦Ç°(MCP x2 Á¦Ç°) :
    ¡¸MB 84VD 23280EA (64Mb Ç÷¡½¬ ¸Þ¸ð¸® +8Mb SRAM, »çÀÌÁî ; 11§®x12§® x1.4§®)¡¹¿Í , ¡¸MB 84VD
    23483EJ (64Mb Ç÷¡½¬ ¸Þ¸ð¸® +32Mb ¸ð¹ÙÀÏ FCRAM, »çÀÌÁî ; 10.4§®x10.8§® x1.2§®)¡¹ÀÇ 2Á¦Ç°À» Æí¼ºÇÑ
    °æ¿ìÀÔ´Ï´Ù.
*4 32Mb ¸ð¹ÙÀÏFCRAM(Á¦1¼¼´ëǰ), 32Mb¸ð¹ÙÀÏ FCRAM(Á¦2¼¼´ëǰ) :
    32Mb ¸ð¹ÙÀÏ FCRAM(Á¦ 2¼¼´ëǰ)Àº ÇÑÃþ ´õ ÁÖº¯ ȸ·Îµî¿¡ ÃÖÀûÈ­ ÇÑ º¸´Ù Àú¼Òºñ Àü·ùÈ­¿Í °í¼ÓÈ­¸¦ ²ÒÇÑ
    °ÍÀÔ´Ï´Ù

[»óÇ¥]
FCRAMÀº, ÈÄÁöÂê ÁÖ½Äȸ»çÀÇ µî·Ï»óÇ¥ÀÔ´Ï´Ù.
±× ¿ÜÀÇ Á¦Ç°¸í µîÀÇ °íÀ¯¸í»ç´Â, °¢ »çÀÇ »óÇ¥ ¶Ç´Â µî·Ï»óÇ¥ÀÔ´Ï´Ù.

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