оƬԭϱǾͽԭϵ⡣
ڵ֪SOCоƬҲԺʱ˳ǵ˵⡣
Ϊԭϱһ룬˹ȻܰæоƬ͵͵æSOCϵоƬǿԵġ
һһ
оʾܱ¶
¶ˣоƬ϶öϹ
Ϊ˳Ƭ⣬Ǿǰ輯ţȥֽ⡣
֪Ҫȥ輯ţҲûţΪ˫ܵˡ
輯š
ܲð칫ڡ
¶ĨЦԽܵܣλdzǣ˿Ƽ˾ܲá
ܣλԾң輯ŵܣҵǾͲҪˡ
ԾҴԼʮ꣬Ÿ۾߸ݣ˹İļӸС
֣˵ܴܿʱ㰡
ܿˣ˭֪dzλҵң˿ƼX1ֻûأ
ô鷳һɣҿ϶ҪԤһ̨ܡ
˿ˡ
֣칫ҵǢ̸¡
ƨɻûȣԾҲǸϲƵˣͬʱѯʵλͻȻãӦʲôҪ˵İɣ
ţ
˵ͷ۳˵оʺͺǼűȥ12ƬӦݶ飬Ӧ֪˰ɣ
жš
ԾҶ˶٣²12Ƭһ룬ѵṩ8Ƭ
ҡҡͷЦ˵ҲƬģ12Ƭģ
һ
Ծ¶ĨЦ⣬٩һΪ12ƬղһȥŪء
Ҫ˽˽⡣
Ц
ԾûŻش𣬶Ŀ⿴ǵǿ϶ܶԹƬȤˣĪdzܶԹƬҵȤ
ţеȤЩǮǵӦ
ҪоƬԭϣǾͱʵֹ
ǵ̾ϵͳ˲ţٳ˿ƼĹҵоγ֮ơ
õȷлظԾɫһѵڳ12뵼Ƭг68ƬûмоƬʹãһȰ˼С
輯֮ӯȫ뵼ƬӯĴͷǹƬ
ʲôǹƬ
ƬҪΪȼһǰ뵼弶һǹ
뵼弶ĵ贿99.9999999ֻдﵽ9NҲ99ĴȣܱΪ뵼Ƭ
Ŀǰ11NҲ119Ĵȡ
ּĹƬΪʼͣÿ1ڸԭУֻв1ԭӣͻоƬƷʡ
һ˵ĿǰĶʹ11N뵼Ƭ
ڹƬֻҪN6ͿʹãN9ޣٽһĻǰ뵼Ƭˡ
Ƭ˼壬ǹԴĹؼ̫ܵذɡ
뵼ƬƬȻֻ359⼸9ĴȣҪ֪˶ٱ
ͺƬƣ6硢8硢12һ̣ɱ࣬ƫƫû12Ƭ
ԾҵȰڶУйҵˡ
ϵͳ˲ĵƣֻҪҵԵĹ˾˲гӦ˲š
ȱľǼ
ֻҪ豸Ǿһкð죬Ҫ豸Ǿˡ
֯ԣ˼ӦҲʵܣоƬоģҺܳҲµˡ
ͳDzµһڸdzֻ輯ǿ̣ԾҾѾµоƬ˭ġ
û˵ȴġ
ͣƬ̣ԼòƬ˵
ڷ˵оƬ˿ƼԲĿľΪ˶ĿøܵоŰܵ
ܽƻΪų˭оƬֹ̨ͣоƬԭϷûƣĿĺܼ϶˿ƼǷжоƬ
ֶоʡǼоƬԭϣоƬоƬʱӦоʾͱ¶Σˡ
¡
ԾҲΪʲô㲻ֱоƬԭϣȻأ
;Ȼ̻Ĺʦ֪ɣ
һ죬͵Ҵǹԭϣ͵ں˵ҪоƬˣȺʦô
ʾ׳ԾɫأشǻоʵĹ̻һ˿紵ݶʵоʴоƬɣ
û
ǵ˵ͷ˵ֻùƬںʦ֪£ȥоƬ
ҡ
Ҳˣɫͬأüͷ˿ƼʵûоƬҲҺͺǼš
һУ൱ڸ֤Ŀռ䡣
㲻˵Բ
14оƬʵ28ĿоƬӦòѹɣ
һǵ˿Ƽ֤ʧܣоöӵƲýȫʵʩ
ҪЩ8Ƭȶһ
Ծ顣
治뿴ƬҵûмۻôͻƵ12Ƭ
˿ƼֵֻǵǮȫҽҲƲʲôˮ
輯ŶûƳ12Ƭ˿Ƽ˾⺺ƾʲôƳ
ε̾˿˵ֻǻ֮ƣҪһݵĻֻƳ12Ƭʶⷽѣǻа취
ʶⷽרң
Ծһ³ʱȥˡ
ţˣ뵽λ˫ԺԺʿֱ˦ţʶԺʿҲ˼Ľڸңܲһоо12Ƭѵ
̣ϣ
ԾҾˡ
ԺʿĻûܳԳԡ
ǻûڣȻشֹϣ֡־ԺʿɶڳܵоƬʵء
ֲã
ֲð
ԾһȻͬʱӳǵֲ˿ƼƳоƬԭԺȻˣæҲòˡ
Ǹ뵼ҵģ»輯ֻ뵼ҵ˭
EDAʮǰǮзۿSynopsysCadenceMentorͷӯˣȫʹãֱӸ90%EDAҵʣ10%Ӳд
뵼ƬҵͬˣǮƴϣƿ8뵼Ƭʱԭ12Ƭֱӽۣͱ8Ƭ10%3оƬƬƬ۸ֻ10%оƬôѡôѡ
ǹҴֹҵڴ輯ŵȰ뵼ƬҵͱƲˡ
Ծұ˵Ҳ˵Ŀĵ輯ţ12Ƭƿ⣬һ빺Щ豸
Ծ¶ʹޣᶨҪö豸߸յһ豸˿Ƽʹá
˭Ʋãһ輯һﳡӣ
ЦԾҼ֣Ҿ֪һæġ
Լֵҵѣôܲ8ƬҪҪԭ۹Ӧǡ
ԾҵЦ
ħİ뵼ҵݱȻҲܻõͼ۹ء
һ輯ŵĹƬǿǹҲɼҪҵ
ˣҲûԭ۹Ӧ϶Ҫģ8뵼ƬȻСһһ
С
ԾվԼİ칫ӳȡϣݵǰ
12뵼Ƭѵ㣬ûȥùƬʦϸĥĥ
лܡ
һϲӹϵл
ˣ
Ծ£˵豸ģҪдַɡ
ܣȸи۸嵥ɣ豸ԭۺ㹺ռ˱˿ɲá
ЦŻص
˼ҶϼƿˣҪ豸ǾԵ̫̰ˡ
ծ̫ѻˡ
ԾҶ˶٣û뵽ǻŸǮ漴ӦҲͼǧ豸ֵʲôǮ͵Ҳˡ
ǧ
ҡҡͷЦǧֻ¯Ƭɡ
ԾҲؿ˳һۣ˵Сӻͦ࣬ҲˣһƬ豸Ҫ豸̫࣬ɼ۸ô
С
Ҳš
ǣǮ飬Ƿծ
˿Ƽ˾ҲȱǮǿأֻҪؽ֤ȥУɾܴڽѣ˿Ƽֵˡ
ϵʽԼҲվֵ豸飬ǾͰˡ
ģͿɣȻԺʿΪǿҺݺݳ
Ծֵ
ôγǣ̶ܴǿ̡⼸Ժʿϡ
Ҫ豸
˵ˣֵҲԼܻҪأ
ġ
ǵӦ
ҲվЦǺǵǰ뵼˵ijԱԽԽˡ
Ծҵ֪оƬоվӵǿ̣輯žѾˡ
һЦȻ֮·ɴӲȱٲսҵ
뿪輯źûаϢ£ʱѾϢˣֱӴĺɻǹ˾
ϡ
ֱ̾֡
õעдעṫ˾ƣ
˹ҵ
ȶСĿ꣬1סskjvvx;ֻĶַskjvvx
ڵ֪SOCоƬҲԺʱ˳ǵ˵⡣
Ϊԭϱһ룬˹ȻܰæоƬ͵͵æSOCϵоƬǿԵġ
һһ
оʾܱ¶
¶ˣоƬ϶öϹ
Ϊ˳Ƭ⣬Ǿǰ輯ţȥֽ⡣
֪Ҫȥ輯ţҲûţΪ˫ܵˡ
輯š
ܲð칫ڡ
¶ĨЦԽܵܣλdzǣ˿Ƽ˾ܲá
ܣλԾң輯ŵܣҵǾͲҪˡ
ԾҴԼʮ꣬Ÿ۾߸ݣ˹İļӸС
֣˵ܴܿʱ㰡
ܿˣ˭֪dzλҵң˿ƼX1ֻûأ
ô鷳һɣҿ϶ҪԤһ̨ܡ
˿ˡ
֣칫ҵǢ̸¡
ƨɻûȣԾҲǸϲƵˣͬʱѯʵλͻȻãӦʲôҪ˵İɣ
ţ
˵ͷ۳˵оʺͺǼűȥ12ƬӦݶ飬Ӧ֪˰ɣ
жš
ԾҶ˶٣²12Ƭһ룬ѵṩ8Ƭ
ҡҡͷЦ˵ҲƬģ12Ƭģ
һ
Ծ¶ĨЦ⣬٩һΪ12ƬղһȥŪء
Ҫ˽˽⡣
Ц
ԾûŻش𣬶Ŀ⿴ǵǿ϶ܶԹƬȤˣĪdzܶԹƬҵȤ
ţеȤЩǮǵӦ
ҪоƬԭϣǾͱʵֹ
ǵ̾ϵͳ˲ţٳ˿ƼĹҵоγ֮ơ
õȷлظԾɫһѵڳ12뵼Ƭг68ƬûмоƬʹãһȰ˼С
輯֮ӯȫ뵼ƬӯĴͷǹƬ
ʲôǹƬ
ƬҪΪȼһǰ뵼弶һǹ
뵼弶ĵ贿99.9999999ֻдﵽ9NҲ99ĴȣܱΪ뵼Ƭ
Ŀǰ11NҲ119Ĵȡ
ּĹƬΪʼͣÿ1ڸԭУֻв1ԭӣͻоƬƷʡ
һ˵ĿǰĶʹ11N뵼Ƭ
ڹƬֻҪN6ͿʹãN9ޣٽһĻǰ뵼Ƭˡ
Ƭ˼壬ǹԴĹؼ̫ܵذɡ
뵼ƬƬȻֻ359⼸9ĴȣҪ֪˶ٱ
ͺƬƣ6硢8硢12һ̣ɱ࣬ƫƫû12Ƭ
ԾҵȰڶУйҵˡ
ϵͳ˲ĵƣֻҪҵԵĹ˾˲гӦ˲š
ȱľǼ
ֻҪ豸Ǿһкð죬Ҫ豸Ǿˡ
֯ԣ˼ӦҲʵܣоƬоģҺܳҲµˡ
ͳDzµһڸdzֻ輯ǿ̣ԾҾѾµоƬ˭ġ
û˵ȴġ
ͣƬ̣ԼòƬ˵
ڷ˵оƬ˿ƼԲĿľΪ˶ĿøܵоŰܵ
ܽƻΪų˭оƬֹ̨ͣоƬԭϷûƣĿĺܼ϶˿ƼǷжоƬ
ֶоʡǼоƬԭϣоƬоƬʱӦоʾͱ¶Σˡ
¡
ԾҲΪʲô㲻ֱоƬԭϣȻأ
;Ȼ̻Ĺʦ֪ɣ
һ죬͵Ҵǹԭϣ͵ں˵ҪоƬˣȺʦô
ʾ׳ԾɫأشǻоʵĹ̻һ˿紵ݶʵоʴоƬɣ
û
ǵ˵ͷ˵ֻùƬںʦ֪£ȥоƬ
ҡ
Ҳˣɫͬأüͷ˿ƼʵûоƬҲҺͺǼš
һУ൱ڸ֤Ŀռ䡣
㲻˵Բ
14оƬʵ28ĿоƬӦòѹɣ
һǵ˿Ƽ֤ʧܣоöӵƲýȫʵʩ
ҪЩ8Ƭȶһ
Ծ顣
治뿴ƬҵûмۻôͻƵ12Ƭ
˿ƼֵֻǵǮȫҽҲƲʲôˮ
輯ŶûƳ12Ƭ˿Ƽ˾⺺ƾʲôƳ
ε̾˿˵ֻǻ֮ƣҪһݵĻֻƳ12Ƭʶⷽѣǻа취
ʶⷽרң
Ծһ³ʱȥˡ
ţˣ뵽λ˫ԺԺʿֱ˦ţʶԺʿҲ˼Ľڸңܲһоо12Ƭѵ
̣ϣ
ԾҾˡ
ԺʿĻûܳԳԡ
ǻûڣȻشֹϣ֡־ԺʿɶڳܵоƬʵء
ֲã
ֲð
ԾһȻͬʱӳǵֲ˿ƼƳоƬԭԺȻˣæҲòˡ
Ǹ뵼ҵģ»輯ֻ뵼ҵ˭
EDAʮǰǮзۿSynopsysCadenceMentorͷӯˣȫʹãֱӸ90%EDAҵʣ10%Ӳд
뵼ƬҵͬˣǮƴϣƿ8뵼Ƭʱԭ12Ƭֱӽۣͱ8Ƭ10%3оƬƬƬ۸ֻ10%оƬôѡôѡ
ǹҴֹҵڴ輯ŵȰ뵼ƬҵͱƲˡ
Ծұ˵Ҳ˵Ŀĵ輯ţ12Ƭƿ⣬һ빺Щ豸
Ծ¶ʹޣᶨҪö豸߸յһ豸˿Ƽʹá
˭Ʋãһ輯һﳡӣ
ЦԾҼ֣Ҿ֪һæġ
Լֵҵѣôܲ8ƬҪҪԭ۹Ӧǡ
ԾҵЦ
ħİ뵼ҵݱȻҲܻõͼ۹ء
һ輯ŵĹƬǿǹҲɼҪҵ
ˣҲûԭ۹Ӧ϶Ҫģ8뵼ƬȻСһһ
С
ԾվԼİ칫ӳȡϣݵǰ
12뵼Ƭѵ㣬ûȥùƬʦϸĥĥ
лܡ
һϲӹϵл
ˣ
Ծ£˵豸ģҪдַɡ
ܣȸи۸嵥ɣ豸ԭۺ㹺ռ˱˿ɲá
ЦŻص
˼ҶϼƿˣҪ豸ǾԵ̫̰ˡ
ծ̫ѻˡ
ԾҶ˶٣û뵽ǻŸǮ漴ӦҲͼǧ豸ֵʲôǮ͵Ҳˡ
ǧ
ҡҡͷЦǧֻ¯Ƭɡ
ԾҲؿ˳һۣ˵Сӻͦ࣬ҲˣһƬ豸Ҫ豸̫࣬ɼ۸ô
С
Ҳš
ǣǮ飬Ƿծ
˿Ƽ˾ҲȱǮǿأֻҪؽ֤ȥУɾܴڽѣ˿Ƽֵˡ
ϵʽԼҲվֵ豸飬ǾͰˡ
ģͿɣȻԺʿΪǿҺݺݳ
Ծֵ
ôγǣ̶ܴǿ̡⼸Ժʿϡ
Ҫ豸
˵ˣֵҲԼܻҪأ
ġ
ǵӦ
ҲվЦǺǵǰ뵼˵ijԱԽԽˡ
Ծҵ֪оƬоվӵǿ̣輯žѾˡ
һЦȻ֮·ɴӲȱٲսҵ
뿪輯źûаϢ£ʱѾϢˣֱӴĺɻǹ˾
ϡ
ֱ̾֡
õעдעṫ˾ƣ
˹ҵ
ȶСĿ꣬1סskjvvx;ֻĶַskjvvx