鏅傞枔锛�2025/5/7 17:54:14
闁辫畝锛�23
AT28BV256-20TU 鏄竴娆剧敱 ATMEL 鍏徃鐢熺敘(ch菐n)鐨� CMOS 宸ヨ棟鍒堕�犵殑 256K x 8 浣� EPROM锛堝彲鎿﹂櫎鍙法绋嬪彧璁�瀛樺劜鍣級銆傝┎鑺墖鍏锋湁浣庡姛鑰楀拰楂樺彲闈犳�х殑鐗归粸锛屽唬娉涙噳(y墨ng)鐢ㄤ簬闇�瑕佸ぇ瀹归噺瀛樺劜鐨勬噳(y墨ng)鐢ㄥ牬鏅�銆傚叾灏佽褰㈠紡鐐� 28 寮曡叧 PDIP銆乀SSOP 鍜屽叾浠栨(bi膩o)婧�(zh菙n)灏佽椤炲瀷銆�
銆�銆�瑭茬郴鍒� EPROM 鏀寔绱绶氭摝闄ゅ姛鑳�锛屽厑瑷辩敤鎴跺娆″鍏ュ拰鎿﹂櫎鏁�(sh霉)鎿�(j霉)锛岄仼鐢ㄤ簬闁嬬櫦(f膩)鍜岃(di脿o)瑭﹂殠娈甸牷绻佹洿鏂扮▼搴忕殑鎯呮硜銆�
瀛樺劜瀹归噺锛�256KB
銆�銆�鏁�(sh霉)鎿�(j霉)瀵害锛�8浣�
銆�銆�宸ヤ綔闆诲锛�4.5V 鑷� 5.5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�瑷晱鏅傞枔锛�20ns
銆�銆�灏佽褰㈠紡锛�28 寮曡叧 PDIP/TSSOP
銆�銆�绶ㄧ▼闆诲锛�12.5V
銆�銆�鎿﹂櫎鏂瑰紡锛氱传澶栫窔鎿﹂櫎
銆�銆�寮曡叧闁撹窛锛�0.3鑻卞
AT28BV256-20TU 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂樺瘑搴﹀瓨鍎诧細鎻愪緵 256K x 8 浣嶇殑澶у閲忓瓨鍎茬┖闁擄紝婊胯冻寰�(f霉)闆滄噳(y墨ng)鐢ㄧ殑闇�姹�銆�
銆�銆�2. 绱绶氭摝闄わ細閫氶亷绱绶氱収灏勫鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)鎿﹂櫎锛屾柟渚垮弽寰�(f霉)浣跨敤銆�
銆�銆�3. 蹇�熷瓨?銆傝小?20ns 鐨勫揩閫熻í鍟忔檪闁�锛岀⒑淇濋珮鏁堢殑鏁�(sh霉)鎿�(j霉)璁�鍙栨�ц兘銆�
銆�銆�4. 浣庡姛鑰楄ō(sh猫)瑷堬細鍦ㄥ緟姗熸ā寮忎笅鍔熻�楁サ浣�锛岄仼鍚堝皪鑳借�楁晱鎰熺殑鎳�(y墨ng)鐢ㄣ��
銆�銆�5. 楂樺彲闈犳�э細閲囩敤鍏堥��(j矛n)鐨� CMOS 鎶�琛�(sh霉)鍒堕��锛屽叿鍌欏嚭鑹茬殑鎶楀共鎿捐兘鍔涘拰闀锋湡绌�(w臎n)瀹氭�с��
銆�銆�6. 瀵韩鑼冨湇锛氭敮鎸佸緸 -55掳C 鍒� +125掳C 鐨勫婧害鑼冨湇锛岄仼鎳�(y墨ng)鍚勭ó鎯″姡鐠�(hu谩n)澧�銆�
AT28BV256-20TU 寤ｆ硾鎳�(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)锛氱敤浜庡瓨鍎插井鎺у埗鍣ㄧ殑鍥轰欢浠ｇ⒓鍜岄棞(gu膩n)閸靛弮鏁�(sh霉)銆�
銆�銆�2. 宸ユキ(y猫)鎺у埗锛氱偤宸ユキ(y猫)鑷嫊鍖栬ō(sh猫)鍌欐彁渚涘ぇ瀹归噺瀛樺劜鏀寔銆�
銆�銆�3. 閱�(y墨)鐧傝ō(sh猫)鍌欙細瀛樺劜瑷烘柗绠楁硶鍜屾牎婧�(zh菙n)鏁�(sh霉)鎿�(j霉)銆�
銆�銆�4. 娑堣不椤為浕瀛愮敘(ch菐n)鍝侊細濡傛墦鍗版銆佹巸鎻忓剙绛夐渶瑕侀潪鏄撳け鎬у瓨鍎茬殑鎳�(y墨ng)鐢�銆�
銆�銆�5. 閫氫俊瑷�(sh猫)鍌欙細瀛樺劜閰嶇疆鏁�(sh霉)鎿�(j霉)鍜屽崝(xi茅)璀版＇淇℃伅銆�
銆�銆�鐢变簬鍏跺彲闈犵殑鎬ц兘鍜屽ぇ瀹归噺瀛樺劜鑳藉姏锛岄�欐鑺墖鎴愮偤瑷卞宓屽叆寮忕郴绲�(t菕ng)鐨勭悊鎯抽伕鎿�銆�
AT28C256-20PU, AM28C256B-20JC
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