鏃朵唬鑺瓨 鍗婂浣撶鏅郴鍒椻€斺€擠ram鍜孲ram-凯发网址是多少

dram鍜孲ram


棣栧厛锛屾垜浠簡瑙d竴涓?/span>ram鏄粈涔?/span>ram锛屽叏绉?/span>random access memory锛屽嵆闅忔満瀛樺彇瀛樺偍鍣紝鏄笌涓ぎ澶勭悊鍣–pu鐩存帴浜ゆ崲鏁版嵁鐨勫唴閮ㄥ瓨鍌ㄥ櫒銆傚畠鍙互闅忔椂璇诲啓锛岃€屼笖閫熷害寰堝揩锛岄€氬父浣滀负鎿嶄綔绯荤粺鎴栧叾浠栨鍦ㄨ繍琛屼腑鐨勭▼搴忕殑涓存椂鏁版嵁瀛樺偍濯掍粙銆傜劧鑰?/span>鏈変竴鐗圭偣锛屽綋鐢靛姏渚涘簲鍋滄鏂數鍚庯紝鍌ㄥ瓨鐨勬暟鎹細娑堝け锛岃绉颁负鏄撳け鎬у瓨鍌ㄥ櫒锛?/span>volatile memory锛夛紝杩欎笌鍙瀛樺偍鍣?/span>rom锛?/span>read-only memory)鎴栭棯瀛樻槸涓嶅悓鐨勩€?/span>ram鍦ㄨ绠楁満鍜屾暟瀛楃郴缁熶腑锛?/span>涓昏鐢ㄦ潵鏆傛椂瀛樺偍绋嬪簭銆佹暟鎹拰涓棿缁撴灉锛?/span>鍏?/span>浼樼偣鏄/鍐欐柟渚裤€佷娇鐢ㄧ伒娲伙紝鐗瑰埆閫傜敤浜庣粡甯稿揩閫熸洿鎹㈡暟鎹殑鍦哄悎銆傛牴鎹瓨鍌ㄥ崟鍏冪殑宸ヤ綔鍘熺悊涓嶅悓锛岄殢鏈哄瓨鍌ㄥ櫒 ram鍙?/span>鍒嗕负dram(鍔ㄦ€?/span>ram)鍜?/span>sram(闈欐€?/span>ram)

涓€銆佷粈涔堟槸dram



dynamic random access memory锛屽嵆鍔ㄦ€侀殢鏈哄瓨鍙栧瓨鍌ㄥ櫒锛屾瘡涓狣ram鍗曞厓鏄敱涓€涓櫠浣撶t鍜?/span>涓€涓數瀹瑰櫒c鎵€鏋勬垚 (濡傚浘涓€)锛屽彲鐢?/span>鏉ュ瓨鍌ㄤ竴涓?/span>bit銆?/span>鑰屾缁撴瀯浣?/span>dram鐩歌緝浜?/span>sram锛?/span>姣忓崟浣嶅閲忎娇鐢ㄨ緝灏戠殑鏅朵綋绠¤€屼笖鍗犵敤闈㈢н灏忥紝鍥犳dram鍙?/span>鍏锋湁杈冮珮鐨勯泦鎴?/span>瀵嗗害鍜?/span>瀛樺偍瀹归噺锛岃繘鑰岀敓浜ф垚鏈篃杈?/span>sram鐩稿浣?/span>銆?/span>鐢变簬dram鐨勬暟鎹疄闄呬笂鏄瓨鍦ㄧ數瀹归噷锛岀數瀹瑰櫒鍏呮弧鐢靛悗浠h〃1锛?/span>浜岃繘鍒?/span>锛夛紝鏈厖鐢电殑浠h〃0銆傞€氳繃鐢?/span>璺?/span>妫€鏌ョ數瀹瑰偍瀛樼數鑽?/span>鐢典綅锛屾潵鍒ゆ柇璇?/span>bit鏁版嵁鏄?杩樻槸0銆?/span>鐒?/span>鑰岀幇瀹炰腑锛岀數瀹瑰櫒瀛樺湪涓嶅彲閬垮厤鐨勬紡鐢电幇璞★紝鐢靛鏀句箙浜嗭紝鍐呴儴鐨勭數鑽峰氨浼氳秺鏉ヨ秺灏戯紝鑰屼娇鏁版嵁娓愭笎闅忔椂闂存祦澶便€?/span>鍥犳dram姣忎釜鍗曞厓蹇呴』鍛ㄦ湡鎬у湴瀵?/span>鐢靛杩涜鍒锋柊鍏呯數锛?/span>濡傛灉瀛樺偍鍗曞厓娌℃湁琚埛鏂?/span>(refresh)锛屽瓨鍌ㄧ殑淇℃伅灏变細涓㈠け銆傜敱浜庤繖绉嶉渶瑕佸畾鏃跺埛鏂扮殑鐗规€э紝鍥犳琚о涓?/span>鈥滃姩鎬佲€濆瓨鍌ㄥ櫒锛屼笖鍥犻渶瑕佸畾鏃跺埛鏂?鎵€浠ュ綋绯荤粺涓虹┖闂茬姸鎬?/span>鏃讹紝dram闈欐€佸姛鑰楃浉瀵?/span>姣?/span>sram楂樸€?/span>





浜屻€佷粈涔堟槸sram

       static random-access memory锛屽嵆闈欐€侀殢鏈哄瓨鍙栧瓨鍌ㄥ櫒锛屾槸闅忔満瀛樺彇瀛樺偍鍣ㄧ殑涓€绉嶃€傛墍璋撶殑鈥滈潤鎬佲€濓紝鏄寚杩欑瀛樺偍鍣ㄥ彧瑕佷繚鎸侀€氱數锛岄噷闈㈠偍瀛樼殑鏁版嵁灏卞彲浠ユ亽甯镐繚鎸侊紝涓嶉』鍛ㄦ湡鎬у湴鍒锋柊銆傛瘡涓猄ram鍩烘湰鍗曞厓鏄敱鍏釜鏅朵綋绠$數璺墍鏋勬垚 (濡傚浘浜?銆傛瘡涓€bit鍌ㄥ瓨鍦ㄧ敱4涓櫠浣撶锛圱1, t2, t3, t4锛夋墍鏋勬垚涓や釜浜ゅ弶鑰﹀悎鐨勫弽鐩稿櫒涓紝鍙﹀涓や釜鏅朵綋绠★紙t5, t6锛夋槸鐢ㄤ簬鍌ㄥ瓨鍩烘湰鍗曞厓鍒拌鍐欎綅绾匡紙bit line锛夌殑鎺у埗寮€鍏炽€係ram鍔熻€楀彇鍐充簬瀹冪殑璁块棶棰戠巼锛屽綋璁块棶棰戠巼澧炲姞鏃?/span>锛?/span>鍏跺姛鑰楃浉瀵瑰鍔狅紝濡傛灉鐢ㄩ珮棰戠巼璁块棶sram锛?/span>鍏跺姛鑰楁瘮寰椾笂dram銆傚弽涔嬶紝鍦?/span>绯荤粺绌洪棽鐘舵€佹椂锛?/span>sram鍔熻€?/span>鍒?/span>鍙互蹇界暐涓嶈銆?/span>












搴旂敤涓?/span>dram涓€鑸敤浣滆绠楁満涓殑涓诲瓨鍌ㄥ櫒锛屽嵆瀛樺偍鍣ㄦ潯銆?/span>鑰?/span>sram鍥?/span>閫熷害闈炲父蹇紝鏄洰鍓嶈鍐欐渶蹇殑瀛樺偍璁惧锛屼絾鏄畠鐨?/span>鐢熶骇鎴愭湰杈冮珮锛屾墍浠ュ彧鍦ㄨ姹傚緢鑻涘埢鐨勫湴鏂逛娇鐢紝璀璁$畻鏈轰腑鐨勪竴绾?/span>銆?/span>浜岀骇鍜屼笁绾ч珮閫熺紦鍐插瓨鍌ㄥ櫒锛屽嵆cpu鎴朑pu鍐呴儴鐨凜ache銆?/span>鍏跺簲鐢ㄥ拰瀵圭収琛?/span>濡備笅锛?/span>



绠€鍗曟潵璇?/span>,  sram鏄竴绉嶆瘮dram鏇村揩锛岃€楃數杈?/span>灏戠殑瀛樺偍鑺墖銆?/span>dram鏄竴绉嶅彲浠ュ绾虫瘮sram鏇村鏁版嵁鐨勫瓨鍌ㄨ姱鐗囷紝浣嗗畠闈欐€?/span>鍔熻€楀ぇ銆?/span>鍦ㄨ绠楁満搴旂敤涓?/span>锛?/span>cache杩芥眰鐨勬槸閫熷害锛屾墍浠ラ€夋嫨sram銆傝€?/span>涓诲唴瀛樺垯杩芥眰瀹归噺锛?/span>涓旈€熷害瑕佸蹇?/span>锛屾墍浠ラ€夋嫨鑳藉鍦ㄧ浉鍚岀┖闂翠腑瀛樻斁鏇村鍐呭涓旈€熷害鐩稿澶熷揩锛屽悓鏃堕€犱环鐩稿浣庡粔鐨?/span>dram銆?/span>褰撶劧闄や簡dram鍜孲ram澶?/span>锛屽競鍦轰笂瀛樺偍鍣?/span>绉嶇被鐩稿綋澶?/span>锛?/span>涓旈殢鐫€鎶€鏈?/span>鐨?/span>婕旇繘鍜屽簲鐢ㄤ笉鍚?/span>锛?/span>鍏朵笉鍚岀绫?/span>杩?/span>鍙粏鍒嗘垚璁稿涓嶅悓鐨勭増鏈紝涓?/span>鍙兘鍙栦唬瀹冧滑鐨勯瑕嗘€у瓨鍌ㄥ櫒鎶€鏈?/span>涔熸鍦ㄨ寮€鍙?/span>锛岃繖绉嶆儏鍐佃繕娌℃湁澶ц妯″彂鐢燂紝浣?/span>甯傚満涓婂凡鏈夊畠浠殑韪抗,涓?/span>鏈変竴浜涘叕鍙稿凡缁忓紑濮?/span>骞舵寔缁?/span>灏嗚祫婧愭姇鍏?/span>鍏?/span>鐮斿彂鐢熶骇锛?/span>鐩镐俊涓嶄箙鐨勫皢鏉?/span>锛?/span>瀹冪殑鑳借搴︿細瓒婃潵瓒婇珮涓旀垚涓哄ぇ瀹舵墍鐔熸倝鐨勪骇鍝併€?/span>


鏂?钄℃槑瀹?/section>






2020骞?6鏈?5鏃?/span>

涓婁竴绡?/span>

涓嬩竴绡?/span>

鏃朵唬鑺瓨 鍗婂浣撶鏅郴鍒椻€斺€擠ram鍜孲ram