M27C256B-90F1 鏅傞枔锛�2025/4/29 14:42:28 闁辫畝锛�27

M27C256B-90F1 鏄竴娆惧熀浜嶦PROM锛堝彲鎿﹂櫎鍙法绋嬪彧璁€瀛樺劜鍣級鎶€琛�(sh霉)鐨勫瓨鍎茶姱鐗�锛屽閲忕偤32K x 8浣嶏紙鍗�256Kb锛�銆傝┎鑺墖閲囩敤娴煹鏅堕珨绠℃妧琛�(sh霉)閫茶鏁�(sh霉)鎿�(j霉)瀛樺劜锛屾敮鎸佺传澶栫窔鎿﹂櫎鍔熻兘銆傚畠寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇€瑕侀潪鏄撳け鎬у瓨鍎茬殑鎳�(y墨ng)鐢ㄥ牬鏅�锛屼緥濡傚祵鍏ュ紡绯荤当(t菕ng)銆佸伐妤�(y猫)鎺у埗瑷�(sh猫)鍌欏拰娑堣不闆诲瓙鐢�(ch菐n)鍝佷腑銆�

鍙冩暩(sh霉)

瀛樺劜瀹归噺锛�256Kb
銆€銆€瀛樺劜绲�(ji茅)妲�(g貌u)锛�32K x 8
銆€銆€宸ヤ綔闆诲(VCC)锛�4.5V 鑷� 5.5V
銆€銆€绶ㄧ▼闆诲(VPP)锛�12V
銆€銆€瑷晱鏅傞枔锛�90ns
銆€銆€灏佽褰㈠紡锛欴IP锛堥洐鍒楃洿鎻掑紡灏佽锛�
銆€銆€宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
銆€銆€鏁�(sh霉)鎿�(j霉)淇濆瓨鏅傞枔锛氳秴閬�10骞�
銆€銆€鎿﹀娆℃暩(sh霉)锛氳嚦灏�1000娆�

鐗规€�

M27C256B-90F1 鍏锋湁浠ヤ笅椤憲鐗规€э細
銆€銆€1. 楂樺彲闈犳€э細鏁�(sh霉)鎿�(j霉)鍙互闀锋湡淇濆瓨锛屼笖閫氶亷绱绶氱収灏勫嵆鍙畬鎴愭暣鐗囨摝闄�銆�
銆€銆€2. 蹇€熻í鍟忥細鍏�90ns鐨勮í鍟忔檪闁撶⒑淇濅簡鍦ㄩ珮閫熸噳(y墨ng)鐢ㄤ腑鐨勬€ц兘銆�
銆€銆€3. 绶婃箠瀛樺劜瀹归噺锛氶仼鐢ㄤ簬涓皬鍨嬪瓨鍎查渶姹傜殑鎳�(y墨ng)鐢ㄥ牬鏅�銆�
銆€銆€4. 闈炴槗澶辨€э細鍗充娇鏂烽浕锛屽瓨鍎茬殑鏁�(sh霉)鎿�(j霉)涔熶笉鏈冧笩澶�銆�
銆€銆€5. 鏄撲簬浣跨敤锛氶噰鐢ㄦ婧朌IP灏佽锛屼究浜庣剨鎺ュ拰瀹夎銆�
銆€銆€6. 寤ｆ硾鐨勫伐浣滄韩搴﹁寖鍦嶏細鑳藉鍦ㄥぇ澶氭暩(sh霉)甯歌(gu墨)鐠�(hu谩n)澧冧笅姝ｅ父閬嬭銆�

鎳�(y墨ng)鐢�

M27C256B-90F1 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)锛氬寰帶鍒跺櫒鐨勫紩灏庣▼搴忓瓨鍎层€�
銆€銆€2. 宸ユキ(y猫)鎺у埗瑷�(sh猫)鍌欙細鐢ㄤ簬鍥轰欢鎴栭厤缃暩(sh霉)鎿�(j霉)鐨勫瓨鍎�銆�
銆€銆€3. 娑堣不椤為浕瀛愮敘(ch菐n)鍝侊細濡傚鐢ㄩ浕鍣ㄣ€佺帺鍏风瓑鐨勪唬纰煎瓨鍎�銆�
銆€銆€4. 閱�(y墨)鐧傝ō(sh猫)鍌欙細鐢ㄤ簬瀛樺劜闂�(gu膩n)閸电畻娉曟垨鏍℃簴鏁�(sh霉)鎿�(j霉)銆�
銆€銆€5. 娓噺鍎€鍣細鐢ㄤ綔鍏�(n猫i)閮ㄧ▼搴忓瓨鍎�锛岀⒑淇濇脯閲忛倧杓┅(w臎n)瀹�銆�