鏅傞枔锛�2025/5/10 10:04:24
闁辫畝锛�28
AT28C256-20DM/883 鏄竴娆剧敱 Atmel锛堢従(xi脿n)宸茶 Microchip 鏀惰臣锛夌敓鐢�(ch菐n)鐨� CMOS 闆诲彲鎿﹂櫎鍙法绋嬪彧璁�瀛樺劜鍣紙EEPROM锛�銆傝┎鑺墖鍏锋湁 256K 姣旂壒锛堝嵆 32K x 8锛夌殑瀛樺劜瀹归噺锛岄噰鐢� 28 寮曡叧灏佽銆傚畠鏀寔蹇�熷鍏ュ拰鎿﹂櫎鎿嶄綔锛岄仼鐢ㄤ簬闇�瑕侀牷绻佹洿鏂版暩(sh霉)鎿�(j霉)鐨勬噳鐢ㄥ牬鏅�銆�
銆�銆�瑭插瀷铏熶腑鐨� '-20DM' 琛ㄧず鍏跺伐浣滈�熷害鐐� 20ns锛屽苟閲囩敤濉戞枡闆欏垪鐩存彃寮忓皝瑁濓紙DIP锛�锛岃�� '/883' 鍓囪〃鏄庡叾绗﹀悎 MIL-PRF-38535 鐨勮粛鐢ㄦ婧栵紝閬╁悎鍦ㄦサ绔挵(hu谩n)澧冩浠朵笅浣跨敤銆�
瀛樺劜瀹归噺锛�256Kb (32K x 8)
銆�銆�宸ヤ綔闆诲锛�4.5V 鑷� 5.5V
銆�銆�瑷晱鏅傞枔锛�20ns
銆�銆�瀵叆鍛ㄦ湡锛�5ms 鍏稿瀷鍊�
銆�銆�鎿﹂櫎/瀵叆鑰愪箙鎬э細1,000,000 娆�
銆�銆�鏁�(sh霉)鎿�(j霉)淇濆瓨鏅傞枔锛氳秴閬� 100 骞�
銆�銆�灏佽褰㈠紡锛�28 寮曡叧 PDIP (Plastic Dual In-line Package)
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
AT28C256-20DM/883 鎻愪緵楂樺彲闈犳�ц垏楂樻�ц兘锛屼娇鍏堕潪甯搁仼鍚堢敤浜庤粛浜�銆佽埅绌轰互鍙婂叾浠栬姹傚毚鏍肩殑宸ヤ綔鐠�(hu谩n)澧�銆備富瑕佺壒鎬у寘鎷細
銆�銆�1. 蹇�熷鍏ュ姛鑳斤紝娓涘皯浜嗙郴绲�(t菕ng)绛夊緟鏅傞枔銆�
銆�銆�2. 鑷嫊鍦板潃閬炲鍔熻兘绨″寲浜嗙▼搴忚ō瑷堥亷绋嬨��
銆�銆�3. 楂樺瘑搴﹀瓨鍎茶兘鍔�锛屽湪鍠姱鐗囧収瀵︾従(xi脿n)浜嗚純澶х殑瀛樺劜绌洪枔銆�
銆�銆�4. 杌嶅伐绱氳唱閲忎繚璀�锛岀⒑淇濆櫒浠惰兘澶犲湪鎯″姡鐠�(hu谩n)澧冧腑闀锋湡绌�(w臎n)瀹氶亱琛�銆�
銆�銆�5. 瀵硾鐨勫伐浣滈浕澹撹寖鍦嶅鍔犱簡浣跨敤鐨勯潏娲绘��銆�
銆�銆�6. 闈炴槗澶辨�у瓨鍎叉妧琛�锛屽嵆浣挎柗闆讳篃鑳戒繚鎸佹暩(sh霉)鎿�(j霉)瀹屾暣銆�
姝� EEPROM 鍣ㄤ欢寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 宸ユキ(y猫)鎺у埗瑷倷涓殑鍙冩暩(sh霉)瀛樺劜銆�
銆�銆�2. 鑸┖鑸ぉ绯荤当(t菕ng)涓棞閸垫暩(sh霉)鎿�(j霉)鐨勮閷�銆�
銆�銆�3. 閱�(y墨)鐧傚剙鍣ㄧ殑鏍℃簴淇℃伅淇濆瓨銆�
銆�銆�4. 閫氫俊鍩虹瑷柦涓殑閰嶇疆绠＄悊銆�
銆�銆�5. 鍦嬮槻闋呯洰涓殑鍔犲瘑瀵嗛懓鍙婄畻娉曞瓨鍎�銆�
銆�銆�鐢变簬鍏跺崜瓒婄殑鎬ц兘鍜屽皪妤电姊濅欢鐨勮壇濂介仼鎳夋�э紝AT28C256 鎴愮偤浜嗚ū澶氶珮绔噳鐢ㄧ殑鐞嗘兂閬告搰銆�
AT28C256B-20PU, AT28C256-20JC
