鏅傞枔锛�2025/4/28 12:55:48
闁辫畝锛�28
DS12C887+ 鏄� Maxim Integrated 鐢熺敘(ch菐n)鐨勪竴娆句綆鍔熻��銆侀珮绮惧害鐨勫鏅傛檪閻� (RTC) 鑺墖锛屽唬娉涚敤浜庨渶瑕佺簿纰烘檪闁撹閷勭殑鎳夌敤鍫存櫙銆傝┎鑺墖闆嗘垚浜嗘棩姝峰拰鏅傞悩鍔熻兘锛屽彲浠ユ彁渚涚銆佸垎銆佸皬鏅�銆佹棩鏈�銆佹槦鏈�銆佹湀浠戒互鍙婂勾浠戒俊鎭紝骞朵笖鑳藉鑷嫊瑾挎暣鏈堟湯鏃ユ湡锛屽寘鎷枏骞翠慨姝ｅ姛鑳姐��
銆�銆�姝ゅ锛孌S12C887+ 鏀寔鍏╃ó宸ヤ綔妯″紡锛�24灏忔檪鍒跺拰12灏忔檪鍒讹紙甯禔M/PM鎸囩ず锛夈�傚叾鍏�(n猫i)缃殑鎸暕鍣ㄤ娇鐢ㄦ婧栫殑32.768kHz鏅舵尟锛岀⒑淇濇檪闁撶殑楂樼┅(w臎n)瀹氭�с�傜偤浜嗗湪涓婚浕婧愭柗闆绘檪绻肩簩(x霉)閬嬭锛岃姱鐗囬倓鏀寔鍌欑敤闆绘睜渚涢浕銆�
宸ヤ綔闆诲锛�2.0V~5.5V
銆�銆�寰呮闆绘祦锛�<300nA锛堝吀鍨嬪�硷級
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C to +85掳C
銆�銆�鏅傞悩绮惧害锛毬�2ppm锛�25掳C姊濅欢涓嬶級
銆�銆�I/O鎺ュ彛锛氬苟琛屾帴鍙�
銆�銆�灏佽褰㈠紡锛欴IP-16, SOIC-16
DS12C887+ 鍏峰倷浠ヤ笅闂滈嵉鐗规�э細
銆�銆�1. 闆嗘垚瀵︽檪鏅傞悩鍜屾棩姝峰姛鑳�锛屾敮鎸佸畬鏁寸殑鏅傞枔鍜屾棩鏈熼’绀恒��
銆�銆�2. 鑷嫊铏曠悊澶у皬鏈堝強闁忓勾淇锛屾笡灏戝閮ㄥ共闋愰渶姹傘��
銆�銆�3. 鎻愪緵鍙法绋嬫柟娉㈣几鍑�锛屼究浜庤垏鍏朵粬绯荤当(t菕ng)鍚屾銆�
銆�銆�4. 鍏�(n猫i)缃稉娴佸厖闆婚浕璺�锛屾敮鎸佸皪鍌欑敤闆绘睜閫茶鍏呴浕绠＄悊銆�
銆�銆�5. 妤典綆鐨勫姛鑰楄ō瑷�锛岄仼鍚堥暦鏅傞枔閬嬭鎴栭浕姹犱緵闆绘噳鐢�銆�
銆�銆�6. 鎻愪緵澶氱ó灏佽褰㈠紡浠ユ豢瓒充笉鍚岃ō瑷堥渶姹�銆�
銆�銆�7. 鏀寔AM/PM妯欏織浣�锛屾柟渚垮鐝�(xi脿n)12灏忔檪鍒舵檪闁撻’绀恒��
DS12C887+ 涓昏鎳夌敤浜庨渶瑕佺簿纰烘檪闁撳拰鏃ユ湡瑷橀寗鐨勯浕瀛愯ō鍌欎腑锛屼緥濡傦細
銆�銆�1. 宸ユキ(y猫)鎺у埗鑸囪嚜鍕曞寲绯荤当(t菕ng)涓殑鏅傞枔鎴宠閷勩��
銆�銆�2. 宓屽叆寮忕郴绲�(t菕ng)涓殑瀵︽檪鏅傞枔缍銆�
銆�銆�3. 瀹剁敤闆诲櫒鍜屾秷璨婚闆诲瓙鐢�(ch菐n)鍝佺殑鏅傞枔椤ず妯″銆�
銆�銆�4. 鏁�(sh霉)鎿�(j霉)瑷橀寗鍎�鍜岄啱(y墨)鐧傝ō鍌欎腑鐨勬檪闁撴瑷�銆�
銆�銆�5. 瑷堢畻姗熶富鏉夸笂鐨凚IOS鏅傞枔淇濇寔鍔熻兘銆�
銆�銆�鐢变簬鍏朵綆鍔熻�楃壒鎬у拰楂樺彲闈犳�э紝瀹冧篃闈炲父閬╁悎渚挎敎寮忚ō鍌欏拰閬犵▼鐩�(ji膩n)鎺х郴绲�(t菕ng)銆�
DS12887, DS1388, PCF8563
