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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

Dram鑺墖
闁辫畝锛�11906鏅傞枔锛�2011-04-17 02:10:17

銆�銆�DRAM鑺墖鍗冲嫊鎱�(t脿i)闅ㄦ瀛樺彇瀛樺劜鍣�锛孌RAM 鍙兘灏囨暩(sh霉)鎿�(j霉)淇濇寔寰堢煭鐨勬檪闁�锛屾墍浠ラ渶瑕佸畾鏅傚埛鏂般�侱RAM鐩稿皪浜嶴RAM渚嗚鏇村姞寰�(f霉)闆�锛屽洜鐐哄湪DRAM瀛樺劜鏁�(sh霉)鎿�(j霉)鐨勯亷绋嬩腑闇�瑕佸皪浜庡瓨鍎茬殑淇℃伅涓嶅仠鐨勫埛鏂�锛岄�欎篃鏄畠鍊戜箣闁撶殑涓嶅悓銆�

椤炲瀷

銆�銆�DRAM 鍒嗙偤寰堝绋�锛屽父瑕嬬殑涓昏鏈� FPRAM/FastPage銆丒DORAM銆丼DRAM銆丏DR RAM銆丷DRAM銆丼GRAM 浠ュ強 WRAM 绛�锛岄�欓噷浠嬬垂鍏朵腑鐨勪竴绋� DDR RAM銆侱DR RAM锛圖ate-Rate RAM锛変篃绋变綔 DDR SDRAM锛岄�欑ó鏀归�插瀷鐨� RAM 鍜� SDRAM 鏄熀鏈竴妯ｇ殑锛屼笉鍚屼箣铏曞湪浜庡畠鍙互鍦ㄤ竴鍊嬫檪閻樿畝瀵叐娆℃暩(sh霉)鎿�(j霉)锛岄�欐ǎ灏变娇寰楁暩(sh霉)鎿�(j霉)鍌宠几閫熷害鍔犲�嶄簡銆傞�欐槸鐩墠 闆昏叇涓敤寰楁渶澶氱殑鍏�(n猫i)瀛橈紝鑰屼笖瀹冩湁钁楁垚鏈劒(y艒u)鍕�锛屼簨瀵︿笂鎿婃晽浜� Intel 鐨勫彟澶栦竴绋収(n猫i)瀛樻婧栵紞Rambus DRAM銆傚湪寰堝楂樼 鐨勯’鍗′笂锛屼篃閰嶅倷浜嗛珮閫� DDR RAM 渚嗘彁楂樺付瀵�锛岄�欏彲浠ュぇ骞呭害鎻愰珮 3D 鍔犻�熷崱鐨勫儚绱犳覆鏌撹兘鍔�銆�

閲濊叧鐨勪綔鐢�

銆�銆�DRAM 鍒嗙偤寰堝绋�锛屽父瑕嬬殑涓昏鏈� FPRAM/FastPage銆丒DORAM銆丼DRAM銆丏DR RAM銆丷DRAM銆丼GRAM 浠ュ強 WRAM 绛夛紝閫欓噷浠嬬垂鍏朵腑鐨勪竴绋� DDR RAM銆侱DR RAM锛圖ate-Rate RAM锛変篃绋变綔 DDR SDRAM锛岄�欑ó鏀归�插瀷鐨� RAM 鍜� SDRAM 鏄熀鏈竴妯ｇ殑锛屼笉鍚屼箣铏曞湪浜庡畠鍙互鍦ㄤ竴鍊嬫檪閻樿畝瀵叐娆℃暩(sh霉)鎿�(j霉)锛岄�欐ǎ灏变娇寰楁暩(sh霉)鎿�(j霉)鍌宠几閫熷害鍔犲�嶄簡銆傞�欐槸鐩墠 闆昏叇涓敤寰楁渶澶氱殑鍏�(n猫i)瀛�锛岃�屼笖瀹冩湁钁楁垚鏈劒(y艒u)鍕�锛屼簨瀵︿笂鎿婃晽浜� Intel 鐨勫彟澶栦竴绋収(n猫i)瀛樻婧栵紞Rambus DRAM銆傚湪寰堝楂樼 鐨勯’鍗′笂锛屼篃閰嶅倷浜嗛珮閫� DDR RAM 渚嗘彁楂樺付瀵�锛岄�欏彲浠ュぇ骞呭害鎻愰珮 3D 鍔犻�熷崱鐨勫儚绱犳覆鏌撹兘鍔涖�侷ntel鍦�1979骞寸櫦(f膩)甯冪殑2188DRAM鑺墖锛岄噰鐢�16Kx1 DRAM 18绶欴IP灏佽銆傛槸鏈�鏃╁嚭鐝�(xi脿n)鐨勪竴娆綝RAM鑺墖銆傛垜鍊戠従(xi脿n)鍦ㄤ締瑙ｈ畝涓�涓嬪畠鎵�浠ｈ〃鐨勬剰缇╋細

銆�銆�鈥�16K x 1鈥濇槸鎸囪姱鐗囧彲浠ュ瓨鍎�16384鍊媌it鏁�(sh霉)鎿�(j霉)锛屽悓鏅傛湡鍙悓鏅傞�茶1bit鐨勮畝鍙栨垨鑰呭鍏ユ搷浣�銆侱RAM鍦板潃寮曡叧鐐�7鏍�锛孲RAM鍦板潃寮曡叧鐐�14鏍�锛岄�欓16K DRAM閫氶亷DRAM鎺ュ彛鎶婂湴鍧�涓�鍒嗙偤浜岋紝鐒跺悗鍒╃敤鍏╁�嬮�ｇ簩(x霉)鐨勬檪閻樺懆鏈熷偝杓�?sh霉)鍒傜獘?sh霉)鎿�(j霉)銆傞�欐ǎ灏卞彲浠ョ瘈(ji茅)鐪佷竴鍗婄殑閲濊叧瀵︾従(xi脿n)鍜孲RAM鐨勫悓妯ｅ姛鑳�锛岄�欑ó鎶�琛�(sh霉)鍗冲璺妧琛�(sh霉)锛坢ultiplexing锛�?锛熸ⅱ閰濈摽璧�?6K SRAM涓�妯ｇ殑宸ヤ綔銆�

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銆�銆�1.  鍚屽閲忕殑DRAM瑕佹瘮SRAM楂旂⿳灏戝洓鍊�銆傞�欐ǎ涔熷氨娌掓湁瓒冲鐨勭┖闁撳畨鏀捐垏SRAM鍚屾ǎ鏁�(sh霉)閲忕殑寮曡叧銆傛墍浠ュ繀闋堟笡灏戝湴鍧�寮曡叧銆�

銆�銆�2.  寤犲晢闆栫劧鍙互灏嘍RAM鐨勯珨绌嶅姞澶у鍔犲紩鑵�锛屼絾鏄偤浜嗛檷浣庢垚鏈拰鍔熻�楋紝鎵�浠ラ倓鏄娓涘皯鍦板潃寮曡叧鏁�(sh霉)閲忋��

銆�銆�3.  澶у閲廌RAM鑺墖涓�鑸噰鐢ㄥ璺皨鍧�鎶�琛�(sh霉)锛岄�欎箞鍋氶洊浣緿RAM鑺墖寰�(f霉)闆�锛屽悓鏅備篃浣緿RAM鎺ュ彛鏇村姞寰�(f霉)闆�锛屼絾鏄彲浠ョ嵅寰楁瘮鍚屽閲忕殑SRAM鏇村皯鐨勫湴鍧�寮曡叧

鍒锋柊鎶�琛�(sh霉)

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銆�銆�2.鐢―RAM鎺у埗鍣ㄤ締鎺у埗鍒锋柊锛岄槻姝㈠埛鏂版搷浣滃共鎿炬湁瑕�(gu墨)寰嬬殑璁�瀵搷浣�銆�

銆�銆�3.涓�鑸締瑾�锛孌RAM琛岀殑鏁�(sh霉)鐩瘮鍒楃殑鏁�(sh霉)閲忓皯锛岃瓒婂皯鍒锋柊鐨勬檪闁撲篃灏辫秺鐭�銆�

鑸嘢ARM鐨勬瘮杓冭垏鎳�(y墨ng)鐢�

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