TMS27C020-12JL 鏅傞枔锛�2025/5/8 20:16:34 闁辫畝锛�29

TMS27C020-12JL 鏄敱寰峰窞鍎€鍣紙TI锛夌敓鐢�(ch菐n)鐨勪竴绋瓻PROM锛堝彲鎿﹂櫎鍙法绋嬪彧璁€瀛樺劜鍣級銆傝┎鑺墖鍏锋湁2Mbit鐨勫瓨鍎插閲忥紝閲囩敤27C绯诲垪妯�(bi膩o)婧栫殑EPROM瑷�(sh猫)瑷�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬闇€瑕侀潪鏄撳け鎬у瓨鍎茬殑宓屽叆寮忕郴绲�(t菕ng)涓€傝┎鑺墖鐨勫伐浣滈浕澹撶偤5V锛屽苟鏀寔绱绶氭摝闄ゅ姛鑳斤紝鏂逛究鐢ㄦ埗灏嶆暩(sh霉)鎿�(j霉)閫茶澶氭瀵叆鍜屾竻闄�銆�
銆€銆€閫欑ó椤炲瀷鐨凟PROM鍦ㄦ棭鏈熺殑瑷堢畻姗熴€佸伐妤�(y猫)鎺у埗瑷�(sh猫)鍌欎互鍙婃秷璨婚闆诲瓙鐢�(ch菐n)鍝佷腑闈炲父甯歌锛岀敤浜庡瓨鍎插浐浠舵垨寮曞皫(d菐o)绋嬪簭銆�

鍙冩暩(sh霉)

瀛樺劜瀹归噺锛�2Mbit (256K x 8)
銆€銆€宸ヤ綔闆诲锛�5V
銆€銆€灏佽褰㈠紡锛�40-Pin DIP/PDIP
銆€銆€瑷晱鏅傞枔锛�120ns
銆€銆€宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
銆€銆€鎿﹂櫎鏂瑰紡锛氱传澶栫窔鎿﹂櫎
銆€銆€鏁�(sh霉)鎿�(j霉)淇濇寔鏅傞枔锛氳秴閬�10骞�

鐗规€�

TMS27C020-12JL 灞簬楂樻€ц兘鐨凟PROM鑺墖锛屽叾涓昏鐗归粸鍖呮嫭锛�
銆€銆€1. 楂樺瘑搴﹀瓨鍎茶兘鍔涳紝閬╁悎寰�(f霉)闆滄噳(y墨ng)鐢ㄧ挵(hu谩n)澧冧笅鐨勭▼搴忓瓨鍎查渶姹�銆�
銆€銆€2. 蹇€熻í鍟忔檪闁擄紙120ns锛�锛岃兘澶犳豢瓒冲鏅傛€у拰閫熷害瑕佹眰杓冮珮鐨勭郴绲�(t菕ng)闇€姹傘€�
銆€銆€3. 绱绶氭摝闄ゅ姛鑳戒娇鏁�(sh霉)鎿�(j霉)鍙互琚弽寰�(f霉)淇敼锛屾彁楂樹簡鑺墖鐨勯潏娲绘€у拰浣跨敤澹藉懡銆�
銆€銆€4. 鑹ソ鐨勬暩(sh霉)鎿�(j霉)淇濇寔鎬ц兘锛岀⒑淇濆嵆浣垮湪闀锋湡鏂烽浕鐨勬儏娉佷笅涔熻兘鏈夋晥淇濆瓨淇℃伅銆�
銆€銆€5. 妯�(bi膩o)婧栫殑40寮曡叧DIP灏佽锛屼究浜庣剨鎺ュ拰瀹夎鍒板偝绲�(t菕ng)鐨凱CB鏉夸笂銆�
銆€銆€6. 宸ヤ綔闆诲绌�(w臎n)瀹氬湪5V锛岃垏瑷卞鍌崇当(t菕ng)閭忚集闆昏矾鍏煎銆�

鎳�(y墨ng)鐢�

TMS27C020-12JL 涓昏鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 宓屽叆寮忕郴绲�(t菕ng)涓殑鍥轰欢瀛樺劜锛屼緥濡傚伐妤�(y猫)鎺у埗鍣�銆佸鐢ㄩ浕鍣ㄣ€侀啱(y墨)鐧傝ō(sh猫)鍌欑瓑銆�
銆€銆€2. 瑷堢畻姗熺‖浠剁殑BIOS瀛樺劜锛屽湪鏃╂湡PC涓绘澘涓純鐐哄父瑕�銆�
銆€銆€3. 娓告埐姗熷拰琛楁娓告埐鐨凴OM瀛樺劜锛岀敤浜庡瓨鏀炬父鎴茬▼搴忓拰鍦栧舰鏁�(sh霉)鎿�(j霉)銆�
銆€銆€4. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑绋嬪簭浠ｇ⒓瀛樺劜锛岀⒑淇濋棞(gu膩n)閸电畻娉曠殑瀹夊叏鎬у拰绌�(w臎n)瀹氭€с€�
銆€銆€5. 鍚勭ó瀹氬埗鍖栭浕瀛愮敘(ch菐n)鍝佺殑闈炴槗澶辨€у瓨鍎茶В姹烘柟妗�锛屽POS姗�銆佹墦鍗版绛�銆�