鏅傞枔锛�2025/5/22 22:12:01
闁辫畝锛�20
MM58274CN鏄竴绋瓹MOS宸ヨ棟鍒堕�犵殑瀵︽檪鏅傞悩(RTC)鑺墖锛屽収缃櫠鎸浕璺拰32.768kHz鏅堕珨銆傚畠鍏锋湁浣庡姛鑰楃壒鎬�锛岄仼鍚堥浕姹犱緵闆荤殑瑷倷銆傝┎鑺墖鍙互鎻愪緵骞�銆佹湀銆佹棩銆佹槦鏈熴�佹檪銆佸垎銆佺鐨勬檪闁撲俊鎭�锛屽苟涓旀敮鎸侀枏骞磋嚜鍕曡鏁村姛鑳姐��
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宸ヤ綔闆诲锛�2.0V鑷�5.5V
銆�銆�寰呮闆绘祦锛氬吀鍨嬪��150nA
銆�銆�鏅傞悩绮惧害锛毬�20ppm(25鈩�)
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩冭嚦+85鈩�
銆�銆�I2C鎺ュ彛鏈�澶ч�熷害锛�400kHz
MM58274CN鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 鍏х疆32.768kHz鏅堕珨鎸暕鍣ㄩ浕璺�锛岀劇闇�澶栨帴鎸暕鍏冧欢銆�
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銆�銆�7. 鏀寔I2C绺界窔閫氫俊鍗�(xi茅)璀�锛屼究浜庤垏寰帶鍒跺櫒閫ｆ帴銆�
銆�銆�8. 鑺墖鍏ч儴闆嗘垚鏈夊淇濊姗熷埗锛岄槻姝㈡剰澶栧鍏ラ尟瑾ゆ暩(sh霉)鎿�銆�
MM58274CN寤ｆ硾鎳夌敤浜庡悇绋渶瑕佺簿纰烘檪闁撹閷勫拰绠＄悊鐨勯浕瀛愯ō鍌欎腑锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 娑堣不椤為浕瀛愮敘鍝佸鏁�(sh霉)纰肩浉姗�銆佹墦鍗版绛�銆�
銆�銆�2. 瀹剁敤闆诲櫒涓殑鏅傞悩妯″銆�
銆�銆�3. 宸ユキ(y猫)鎺у埗闋樺煙涓殑鏅傞枔鎴宠閷�銆�
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銆�銆�6. 浠讳綍渚濊炒婧栫⒑鏅傞枔鍜屾棩鏈熶俊鎭殑宓屽叆寮忕郴绲�(t菕ng)銆�
DS1307, PCF8563, RX8025T
