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銆�銆�鍗婂皫(d菐o)楂斿瓨鍎插櫒鏄瓨鍎蹭簩鍊间俊鎭殑澶ц(gu墨)妯￠泦鎴愰浕璺�锛屾槸鐝�(xi脿n)浠ｆ暩(sh霉)瀛楃郴绲�(t菕ng)鐨勯噸瑕佺祫鎴愰儴鍒�銆傚崐灏�(d菐o)楂斿瓨鍎插櫒鍒嗛濡備笅锛�
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銆�銆�鎸夊瓨鍙栨柟寮忓垎锛屾湁闋嗗簭瀛樺彇瀛樺劜鍣紙SAM锛�銆侀毃姗熷瓨鍙栧瓨鍎插櫒锛圧AM锛夊拰鍙畝瀛樺劜鍣紙ROM锛変笁椤�銆�
銆�銆�1.闋嗗簭瀛樺彇瀛樺劜鍣紙绨＄ūSAM锛夛細灏嶄俊鎭殑瀛樺叆锛堝锛夋垨鍙栧嚭锛堣畝锛夋槸鎸夐爢搴忛�茶鐨�锛屽嵆鍏锋湁鈥滃厛鍏ュ厛鍑衡�濇垨鈥滃厛鍏ュ悗鍑衡�濈殑鐗归粸銆�
銆�銆�2.闅ㄦ瀛樺彇瀛樺劜鍣紙绨＄ūRAM锛夛細鍙湪浠讳綍鏅傚埢闅ㄦ鍦板皪浠绘剰涓�鍊嬪柈鍏冪洿鎺ュ瓨鍙栦俊鎭�銆傛牴鎿�(j霉)鎵�閲囩敤鐨勫瓨鍎插柈鍏冨伐浣滃師鐞嗙殑涓嶅悓锛屽張灏囬毃姗熷瓨鍎插櫒鍒嗙偤闈滄厠(t脿i)瀛樺劜鍣⊿RAM鍜屽嫊鎱�(t脿i)瀛樺劜鍣―RAM銆侱RAM瀛樺劜鍠厓绲�(ji茅)妲�(g貌u)闈炲父绨″柈锛屽畠鎵�鑳介仈鍒扮殑闆嗘垚搴﹂仩楂樹簬SRAM銆�
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銆�銆�鍗婂皫(d菐o)楂斿瓨鍎插櫒鍥犲叾瀛樺劜鍏冨櫒浠跺強鍏跺伐浣滃師鐞嗕笉鍚岃�岄鍒ヤ笉鍚屻�傝几鍏ョ殑鍦板潃纰�(address or address code)淇¤櫉閫氶亷鍦板潃绶╂矕鍣�(address buffer) 閫插叆璀⒓鍣紙decoder锛�锛屽鏋滃瓨鍎插櫒鏈� N鍊嬪湴鍧�纰艰几鍏ョ锛屽墖瑭插瓨鍎插櫒鐨勮鎲跺閲忕偤2N姣旂壒锛涘湪鐢变竴鍊嬪�嬪瓨鍎插柈鍏冩湁瑕�(gu墨)寰嬪湴鎺掑垪鑰岀祫鎴愮殑瀛樺劜鍣ㄩ櫍鍒�(memory array)涓�锛屾湁2n鏍瑰瓧绶氾紙word line, WL锛夊拰 2N-n 鏍逛綅绶氾紙bit line, BL锛夌浉浜掑瀭鐩翠氦鍙夋帓鍒�锛涘湪姣忎竴鍊嬪瓧绶氬拰浣嶇窔鐨勪氦鍙夐粸涓婃帴鏈夊瓨鍎插柈鍏冨嵆鍏冨櫒浠�锛涘湪璁�鍑烘暩(sh霉)鎿�(j霉)鏅傦紝棣栧厛鐢辫璀⒓鍣ㄩ伕鎿囧叾涓竴鏍瑰瓧绶�锛屾帴鍦ㄩ�欎竴鏍瑰瓧绶氾紙琛岋級涓婄殑鎵�鏈夌殑瀛樺劜鍠厓鑸囧悇鑷殑浣嶇窔锛堝垪锛夌浉閫ｆ帴锛屽悇鍊嬩綅绶氫笂寰楀埌鑸囧瓨鍎插柈鍏冩墍瑷樻喍鐨勬暩(sh霉)鎿�(j霉)鐩稿皪鎳�(y墨ng)鐨勫井灏忎俊铏�锛岄�氶亷璁�鍑烘斁澶у櫒 锛坰ense amplifier锛夐�茶鏀惧ぇ锛涚劧鍚�锛岀敱鍒楄纰煎櫒閬告搰鍏朵腑涓�鍊嬭畝鍑哄苟鏀惧ぇ锛屽皣鏀惧ぇ浜嗙殑淇¤櫉閫氶亷澶氳矾杓稿嚭绶╂矕鍣紙multiplexer锛夐�佺郸杓稿嚭闆昏矾锛涘湪瀵暩(sh霉)鎿�(j霉)鏅傦紝瑕佸皣瀵叆鐨勬暩(sh霉)鎿�(j霉)閫佺郸鐢卞垪璀⒓鍣ㄩ伕鎿囩殑浣嶇窔锛岄�氶亷鐗瑰畾鐨勫鍏ラ浕璺皣鏁�(sh霉)瀛椾俊铏熷鍏ユ寚瀹氱殑瀛樺劜鍠厓銆�
銆�銆�鍊煎緱涓�鎻愮殑鏄�锛屽瓨鍎查櫍鍒�(memory array)涔嬪鐨勫叾瀹冨厓鍣ㄤ欢鍜屽瓙绯荤当(t菕ng)锛屽寘鎷湴鍧�绶╂矕鍣�(address buffer)銆佽纰煎櫒锛坉ecoder锛夊拰鎺у埗鍣�(controller)锛屼篃閮芥槸鐢遍倧杓櫒浠朵互鍙婂瓙绯荤当(t菕ng)鎵�妲�(g貌u)鎴愶紱鍥犳锛岃鎯抽�氶亷鍚屼竴鍊嬪埗绋�锛屾妸涓婄櫨钀�嬮珮瀵嗗害涓�绋垨鑰呭绋瓨鍎插柈鍏冨櫒浠�锛屽拰鏀寔瀛樺劜鍣ㄥ伐浣滅殑鎵�鏈夐倧杓厓鍣ㄤ欢鑸囬浕璺畬鎴愶紝骞朵繚璀夊悇鍊嬪厓鍣ㄤ欢鍜屾暣鍊嬬郴绲�(t菕ng)閬斿埌瑕�(gu墨)瀹氱殑鎶�琛�(sh霉)鎸囨鑸囪姹�锛屽皪鑺墖鍒舵垚宸ヨ棟鍙婂叾鎶�琛�(sh霉)鏄竴绋サ楂樼殑鎶�琛�(sh霉)鎸戞埌(zh脿n)锛屽挨鍏舵槸灏嶄簬宓屽叆涓�绋垨澶氱ó瀛樺劜鍣ㄤ欢鍠厓鐨勬暩(sh霉)瀛楅泦鎴愮郴绲�(t菕ng)鑺墖灏囨洿鐐烘槑椤�銆�
銆�銆�鍗婂皫(d菐o)楂斿瓨鍎插櫒鏈夊叐鍊嬩富瑕佹妧琛�(sh霉)鎸囨锛氬瓨鍎插閲忓拰瀛樺彇閫熷害銆�
銆�銆�1.瀛樺劜瀹归噺
銆�銆�瀛樺劜瀹归噺鏄崐灏�(d菐o)楂斿瓨鍎插櫒瀛樺劜淇℃伅閲忓ぇ灏忕殑鎸囨銆傚崐灏�(d菐o)楂斿瓨鍎插櫒鐨勫閲忚秺澶э紝瀛樻斁绋嬪簭鍜屾暩(sh霉)鎿�(j霉)鐨勮兘鍔涘氨瓒婂挤銆�
銆�銆�2.瀛樺彇閫熷害
銆�銆�瀛樺劜鍣ㄧ殑瀛樺彇閫熷害鏄敤瀛樺彇鏅傞枔渚嗚 閲忕殑锛屽畠鏄寚瀛樺劜鍣ㄥ緸鎺ユ敹CPU鐧�(f膩)渚嗙殑鏈夋晥鍦板潃鍒板瓨鍎插櫒绲﹀嚭鐨勬暩(sh霉)鎿�(j霉)绌�(w臎n)瀹氬湴鍑虹従(xi脿n)鍦ㄦ暩(sh霉)鎿�(j霉)绺界窔涓婃墍闇�瑕佺殑鏅傞枔銆傚瓨鍙栭�熷害灏岰PU鑸囧瓨鍎插櫒鐨勬檪闁撻厤鍚堟槸鑷抽棞(gu膩n)閲嶈鐨�銆傚鏋滃瓨鍎插櫒鐨勫瓨鍙栭�熷害澶參锛岃垏CPU涓嶈兘鍖归厤锛屽墖CPU璁�鍙栫殑淇℃伅灏卞彲鑳芥湁瑾�銆�
銆�銆�3.瀛樺劜鍣ㄥ姛鑰�
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銆�銆�4.鍙潬鎬у拰宸ヤ綔澹藉懡
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銆�銆�5.闆嗘垚搴�
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