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μú1?? D÷?? 1
1.1 ??ìaà′?′ó?òaò? 1
1.2 SRAMμ?·￠?1??×′ 2
1.3 ?÷òa?úèYoí???ú°2?? 2
1.3.1 ?÷òa1¤×÷?úèY 2
1.3.2 ???????ú°2?? 4
μú2?? ??±???2ù×÷SRAMéè?? 5
2.1 SRAM??ì??á11?ò?ü 5
2.2 ò???μ??·éè?? 5
2.3 áé??·?′ó?÷éè?? 7
2.3.1 áé??·?′ó?÷?ééü 7
2.3.2áé??·?′ó?÷·?àà 8
2.3.3 á???áé??·?′ó?÷ 10
2.4 ê±Dò·￠éúμ??·éè?? 11
2.4.1 ?áê±Dò 11
2.4.2 D′ê±Dò 12
2.4.3 ?÷??ê±?óD?o?PRE2μ?2úéú 12
2.5 ±???D??á 13
μú3?? SRAM°?í?êμ??ó??é?¤ 14
3.1 °?í???ê? 14
3.2 1¤ò?ó?éè??1??ò 15
3.3 SRAM°?í? 19
3.4 ??àí?é?¤ 20
3.4.1 éè??1??ò?ì2é￡¨DRC, Design Rule Check￡? 20
3.4.2 μ???1??ò?ì2é￡¨ERC, Electronic Rule Check￡? 22
3.4.3 °?í?ó?μ??·í?í?ò?D?±è??￡¨LVS, Layout Versus Schematic￡? 22
3.5 ??éú2?êyìáè? 24
3.6 2?·??￡?é°?í??μ?÷ 26
3.6.1 SRAM Cell°?í? 26
3.6.2 áé??·?′ó?÷°?í? 27
3.7 ±???D??á 28
μú4?? ?μí3·???ó?D??ü·??? 29
4.1 ·???1¤???ééü 29
4.1.1 VCS 29
4.1.2 NanoSim 29
4.2 ?ìoíD?o?·?????ì¨′??¨ 30
4.2.1 VCS-NanoSimáao?·?????ì¨ 30
4.2.2 ·?????ì¨éè?? 31
4.2.3 ·????¤à?éè?? 33
4.3 ?áD′2ù×÷·??? 34
4.3.1 ?á2ù×÷·????á1? 34
4.3.2 D′2ù×÷·????á1? 37
4.4 SRAM?÷2?·?1|o?·??? 39
4.5 2?í???DD?·?3??μ?D??ü·??? 41
4.5.1 2?í?1¤ò???ó????è??μ?D??ü 41
4.5.2 ?μ?êó?1|o? 42
4.5.3 Cell?§ì?1@@?′?ó?1|o? 43
4.6 ±???D??á 43
μú5?? ?á??ó??1í? 45
5.1 ?á?? 45
5.2 ??ò?2??D??μ?·??ò 45
??D? 46
2??????× 47
??è??òàú￡??ú?D??éú?ú??·￠±íμ??§ê????? 48