鏅傞枔锛�2024/7/25 15:37:01
闁辫畝锛�737
74HC00D鏄竴绋泦鎴愰浕璺姱鐗囷紝閲囩敤CMOS鎶�琛�(sh霉)鍒堕��銆傚畠鍙互浣滅偤鏁�(sh霉)瀛楅倧杓浕璺腑鐨勫熀鏈(g貌u)寤哄锛岀敤浜庡鐝�(xi脿n)鍚勭ó閭忚集鍔熻兘锛屼緥濡傚竷鐖句唬鏁�(sh霉)涓殑鑸�銆佹垨銆侀潪銆佺暟鎴栫瓑閬嬬畻銆傝┎鑺墖鍏锋湁浣庡姛鑰�銆侀珮閫熷害銆佷綆鍣伈鍜屽彲闈犳�х瓑鐗归粸锛岄仼鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅浕璺噳(y墨ng)鐢�銆�
銆�銆�74HC00D鑺墖鐨勫紩鑵冲垎鍒ョ偤VCC銆丟ND銆丄1銆丄2銆丅1銆丅2銆乊1銆乊2锛屽叾涓璙CC鍜孏ND鍒嗗垾鐐鸿姱鐗囩殑闆绘簮寮曡叧锛孉1銆丄2銆丅1銆丅2鐐哄洓鍊嬭几鍏ョ鍙ｏ紝Y1銆乊2鐐哄叐鍊嬭几鍑虹鍙�銆傜暥(d膩ng)杓稿叆绔彛鐨勯浕骞崇偤楂橀浕骞虫檪锛岃几鍑虹鍙ｇ殑闆诲钩鐐轰綆闆诲钩锛涚暥(d膩ng)杓稿叆绔彛鐨勯浕骞崇偤浣庨浕骞虫檪锛岃几鍑虹鍙ｇ殑闆诲钩鐐洪珮闆诲钩銆�
銆�銆�鐢变簬74HC00D鑺墖鍏锋湁楂橀泦鎴愬害銆佷綆鍔熺巼娑堣�楀拰鍙潬鎬х瓑鍎�(y艒u)鍕�锛屽洜姝ゅ湪鏁�(sh霉)瀛楅浕璺ō(sh猫)瑷堜腑寰楀埌寤ｆ硾鎳�(y墨ng)鐢�銆備緥濡�锛屽湪瑷堢畻姗熶腑锛�74HC00D鑺墖鍙敤浜庡鐝�(xi脿n)閭忚集闁�銆佸瘎瀛樺櫒銆佽▓鏁�(sh霉)鍣ㄧ瓑闆昏矾锛涘湪閫氫俊绯荤当(t菕ng)涓�锛屽畠鍙敤浜庡鐝�(xi脿n)绶ㄧ⒓瑙ｇ⒓鍣�銆佹暩(sh霉)瀛椾俊铏熻檿鐞嗗櫒绛夐浕璺紱鍦ㄥ剙琛ㄥ拰鑷嫊鎺у埗绯荤当(t菕ng)涓�锛屽畠鍙敤浜庡鐝�(xi脿n)鍚勭ó鎺у埗闆昏矾绛�銆�
1銆佷緵闆婚浕澹撹寖鍦嶏細2V ~ 6V
銆�銆�2銆佸伐浣滄韩搴﹁寖鍦嶏細-40鈩� ~ +85鈩�
銆�銆�3銆佷綆闆诲钩杓稿叆闆诲锛�-0.5V ~ 0.8V
銆�銆�4銆侀珮闆诲钩杓稿叆闆诲锛�1.5V ~ VCC+0.5V
銆�銆�5銆佽几鍑洪浕娴侊細卤25mA
銆�銆�6銆侀潨鎱�(t脿i)鍔熻�楋細5nA
銆�銆�7銆佸嫊鎱�(t脿i)鍔熻�楋細15pF@5V
銆�銆�8銆佸偝杓稿欢閬叉檪闁擄細9ns@5V
74HC00D闆嗘垚闆昏矾鑺墖鐢卞洓鍊嬩簩杓稿叆鑸囬杸绲勬垚銆傛瘡鍊嬭垏闁�鐨勮几鍏ョ鍙ｆ湁鍏╁�嬶紝鍒嗗垾鐐篈1銆丄2鍜孊1銆丅2锛岃几鍑虹鍙ｆ湁涓�鍊�锛屽垎鍒ョ偤Y1銆乊2銆傝姱鐗囩殑闆绘簮寮曡叧鍒嗗垾鐐篤CC鍜孏ND銆�
74HC00D闆嗘垚闆昏矾鑺墖鐨勫伐浣滃師鐞嗗彲浠ラ�氶亷浠ヤ笅姝ラ渚嗚В閲嬶細
銆�銆�1銆佺暥(d膩ng)杓稿叆绔彛鐨勯浕骞崇偤楂橀浕骞虫檪锛岃几鍏ョ鍙ｇ殑闆诲澶т簬鍥哄畾鐨勯珮闆诲钩杓稿叆闆诲锛岃几鍑虹鍙ｇ殑闆诲钩鐐轰綆闆诲钩銆�
銆�銆�2銆佺暥(d膩ng)杓稿叆绔彛鐨勯浕骞崇偤浣庨浕骞虫檪锛岃几鍏ョ鍙ｇ殑闆诲灏忎簬鍥哄畾鐨勪綆闆诲钩杓稿叆闆诲锛岃几鍑虹鍙ｇ殑闆诲钩鐐洪珮闆诲钩銆�
銆�銆�3銆佺暥(d膩ng)杓稿叆绔彛鐨勯浕骞崇偤閬庢浮鐙�鎱�(t脿i)鏅傦紝杓稿嚭绔彛鐨勯浕骞虫渻鍑虹従(xi脿n)涓�娈垫檪闁撶殑涓嶇⒑瀹氱媭鎱�(t脿i)锛岀劧鍚庢渶绲傜┅(w臎n)瀹氬湪楂橀浕骞虫垨浣庨浕骞充箣涓�銆�
瑷�(sh猫)瑷�74HC00D闆嗘垚闆昏矾鑺墖鐨勬祦绋嬩富瑕佸垎鐐轰互涓嬪咕鍊嬫椹燂細
銆�銆�1銆佺⒑瀹氶倧杓姛鑳斤細鏍规摎(j霉)瑷�(sh猫)瑷堣姹傜⒑瀹氭墍闇�鐨勯倧杓姛鑳斤紝渚嬪鑸�銆佹垨銆侀潪銆佺暟鎴栫瓑閬嬬畻銆�
銆�銆�2銆佺⒑瀹氳几鍏ヨ几鍑虹鍙ｏ細鏍规摎(j霉)閭忚集鍔熻兘纰哄畾杓稿叆杓稿嚭绔彛鐨勬暩(sh霉)閲忓拰椤炲瀷銆�
銆�銆�3銆侀浕璺師鐞嗗湒瑷�(sh猫)瑷堬細鏍规摎(j霉)閭忚集鍔熻兘鍜岃几鍏ヨ几鍑虹鍙ｇ殑瑕佹眰锛岃ō(sh猫)瑷堥浕璺師鐞嗗湒銆�
銆�銆�4銆丳CB瑷�(sh猫)瑷堬細灏囬浕璺師鐞嗗湒杞�(zhu菐n)鎻涚偤PCB瑷�(sh猫)瑷堝湒锛屽苟閫茶甯冪窔銆佽蛋绶氥�佹帓鐗堢瓑鎿嶄綔銆�
銆�銆�5銆佸厓鍣ㄤ欢閬稿瀷锛氭牴鎿�(j霉)瑷�(sh猫)瑷堣姹傚拰PCB瑷�(sh猫)瑷堝湒锛岄伕鎿囧悎閬╃殑鍏冨櫒浠�銆�
銆�銆�6銆佺⒑瀹氶浕婧愰浕澹擄細鏍规摎(j霉)鑺墖鐨勪緵闆婚浕澹撹寖鍦嶏紝纰哄畾鍚堥仼鐨勯浕婧愰浕澹�銆�
銆�銆�7銆佺剨鎺ュ拰娓│锛氬皣鍏冨櫒浠剁剨鎺ュ埌PCB鏉夸笂锛屽苟閫茶娓│鍜岃(di脿o)瑭︺��
銆�銆�8銆佸劒(y艒u)鍖栧拰鏀归�诧細鏍规摎(j霉)娓│绲�(ji茅)鏋滐紝灏嶉浕璺�茶鍎�(y艒u)鍖栧拰鏀归��锛屼互閬斿埌瑷�(sh猫)瑷堣姹�銆�
鍦ㄨō(sh猫)瑷堝拰浣跨敤74HC00D闆嗘垚闆昏矾鑺墖鏅�锛岄渶瑕佹敞鎰忎互涓嬪咕榛烇細
銆�銆�1銆佸毚鏍兼寜鐓т緵闆婚浕澹撹寖鍦嶅拰宸ヤ綔婧害鑼冨湇渚嗕娇鐢ㄨ姱鐗�銆�
銆�銆�2銆佸湪浣跨敤鑺墖鏅�锛屾噳(y墨ng)娉ㄦ剰杓稿叆绔彛鐨勯浕骞虫槸鍚︾鍚堣姱鐗囩殑闆绘埃鐗规�э紝閬垮厤杓稿叆闆诲瓒呭嚭鑺墖鐨勮寖鍦�銆�
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銆�銆�4銆佸湪鐒婃帴鍜屾脯瑭︽檪锛岃娉ㄦ剰閬垮厤闈滈浕骞叉摼鍜岄浕璺煭璺瓑鍟忛銆�
銆�銆�5銆佸湪浣跨敤鑺墖鏅傦紝瑕佹敞鎰忓叾寮曡叧鐨勬帓鍒楀拰绶ㄨ櫉锛岄伩鍏嶆帴閷紩鑵�銆�
銆�銆�6銆佸湪鍎�(y艒u)鍖栧拰鏀归�查浕璺檪锛岃娉ㄦ剰閬垮厤鏀硅畩鑺墖鐨勯浕姘ｇ壒鎬у拰宸ヤ綔鍘熺悊銆�
銆�銆�绺戒箣锛�74HC00D闆嗘垚闆昏矾鑺墖鏄竴绋姛鑳藉挤澶с�佹噳(y墨ng)鐢ㄥ唬娉涚殑鏁�(sh霉)瀛楅倧杓姱鐗�锛屽畠鍙互鐐哄悇绋暩(sh霉)瀛楅浕璺噳(y墨ng)鐢ㄦ彁渚涢珮鏁堛�佸彲闈犵殑瑙ｆ焙鏂规銆傚湪瑷�(sh猫)瑷堝拰浣跨敤瑭茶姱鐗囨檪锛岄渶瑕佹敞鎰忓叾鍙冩暩(sh霉)銆佹寚妯�銆佺祫鎴愮祼(ji茅)妲�(g貌u)銆佸伐浣滃師鐞�銆佽ō(sh猫)瑷堟祦绋嬪強娉ㄦ剰浜嬮爡绛夊晱椤�銆�
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