SN54HC4020 鏅�(sh铆)闁擄細2025/5/26 16:57:01 闁辫畝锛�16

SN54HC4020 鏄竴娆惧熀浜� CMOS 宸ヨ棟鐨勯珮鎬ц兘銆佷綆鍔熻€楀崄鍏綅浜岄€�(j矛n)鍒跺悓姝ヨ▓(j矛)鏁�(sh霉)鍣ㄨ姱鐗囥€傚畠鍏锋湁蹇€熼枊闂�(gu膩n)鐗规€�锛岄仼鐢ㄤ簬澶氱ó鏁�(sh霉)瀛楅浕璺噳(y墨ng)鐢�锛岀壒鍒ユ槸鍦ㄩ渶瑕侀珮闋昏▓(j矛)鏁�(sh霉)鍜岄倧杓搷浣滅殑鍫�(ch菐ng)鏅腑銆傝┎鍣ㄤ欢灞簬 HC 绯诲垪锛堥珮闆诲钩鍏煎绯诲垪锛夛紝鑳藉鍦ㄥ闆诲鑼冨湇鍏�(n猫i)宸ヤ綔锛屽苟涓旇垏 TTL 鍜� CMOS 闆诲钩鍏煎銆�
銆€銆€SN54HC4020 鐨勪富瑕佸姛鑳芥槸閫氶亷鏅�(sh铆)閻樹俊铏�(h脿o)灏�(du矛)杓稿叆鏁�(sh霉)鎿�(j霉)閫�(j矛n)琛岃▓(j矛)鏁�(sh霉)锛屽叾鍏�(n猫i)閮ㄧ祼(ji茅)妲�(g貌u)鐢卞鍊�(g猫) D 瑙哥櫦(f膩)鍣ㄧ祫鎴�锛岃兘澶�?q奴)宕縁(xi脿n)绱�(j铆)鑱�(li谩n)浠ユ摯(ku貌)灞曡▓(j矛)鏁�(sh霉)浣嶆暩(sh霉)銆傛澶�锛屽畠閭勬敮鎸佹竻闆跺拰鍔犺級鍔熻兘锛屼究浜庨潏娲绘帶鍒�銆�

鍙冩暩(sh霉)

闆绘簮闆诲锛�2V 鑷� 6V
銆€銆€宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈€澶� 18ns
銆€銆€杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛毬�24mA
銆€銆€闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪€� 1渭A
銆€銆€鍕�(d貌ng)鎱�(t脿i)鍔熻€楋細鍏稿瀷鍊� 1.7mW/MHz

鐗规€�

SN54HC4020 鎻愪緵浜嗚睈瀵岀殑鍔熻兘鍜屽崜瓒婄殑鎬ц兘锛岄仼鍚堝湪宸ユキ(y猫)鍙婂晢妤�(y猫)闋�(l菒ng)鍩熶娇鐢�銆�
銆€銆€1. 楂橀€熼亱(y霉n)琛岋細寰楃泭浜庡厛閫�(j矛n)鐨� CMOS 鎶€琛�(sh霉)锛岃姱鐗囪兘澶犲湪楂橀牷姊濅欢涓嬬┅(w臎n)瀹氬伐浣滐紝婊胯冻鐝�(xi脿n)浠ｉ浕瀛愮郴绲�(t菕ng)鐨勯渶姹�銆�
銆€銆€2. 瀵伐浣滈浕澹擄細鏀寔寰� 2V 鍒� 6V 鐨勪緵闆昏寖鍦�锛屼娇鍏堕仼鎳�(y墨ng)鎬ф洿寮�(qi谩ng)锛岃兘鎳�(y墨ng)鐢ㄤ簬鏇村椤炲瀷鐨勮ō(sh猫)鍌�銆�
銆€銆€3. 婧害绌�(w臎n)瀹氭€э細鑳藉鍦ㄦサ绔韩搴﹁寖鍦嶅収(n猫i)姝ｅ父宸ヤ綔锛屼繚璀変簡鎯″姡鐠�(hu谩n)澧冧笅鐨勫彲闈犳€с€�
銆€銆€4. 浣庡姛鑰楄ō(sh猫)瑷�(j矛)锛氬嵆浣垮湪楂橀牷鎿嶄綔涓�锛屽叾鍔熻€椾粛鐒朵繚鎸佸湪杓冧綆姘村钩锛屽欢闀�(zh菐ng)闆绘睜澹藉懡鎴栨笡灏戞暎鐔遍渶姹�銆�
銆€銆€5. 寮�(qi谩ng)澶х殑椹�(q奴)鍕�(d貌ng)鑳藉姏锛氭瘡鍊�(g猫)杓稿嚭寮曡叧鍙互鎻愪緵楂橀仈(d谩) 卤24mA 鐨勯浕娴�锛岀⒑淇濈洿鎺ラ﹨(q奴)鍕�(d貌ng)鍏朵粬璨�(f霉)杓夎€岀劇闇€椤嶅绶╂矕闆昏矾銆�
銆€銆€6. 鍏煎鎬уソ锛氳垏妯�(bi膩o)婧�(zh菙n) TTL 鍜� CMOS 杓稿叆/杓稿嚭闆诲钩鍏煎锛岀啊(ji菐n)鍖栦簡鑸囧叾浠栭倧杓櫒浠剁殑閫ｆ帴銆�

鎳�(y墨ng)鐢�

SN54HC4020 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó闇€瑕佺簿纰鸿▓(j矛)鏁�(sh霉)鍜岄珮閫熼倧杓檿鐞嗙殑鍫�(ch菐ng)鍚堛€�
銆€銆€1. 鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊锛氫緥濡傞牷鐜囪▓(j矛)銆佽剤娌栬▓(j矛)鏁�(sh霉)鍣ㄧ瓑銆�
銆€銆€2. 閫氫俊瑷�(sh猫)鍌欙細鐢ㄤ簬瀹氭檪(sh铆)鐢熸垚銆佹尝鐗圭巼鐧�(f膩)鐢熷櫒绛夊姛鑳�銆�
銆€銆€3. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栵細濡傜法纰煎櫒鎺ュ彛銆佸偝鎰熷櫒鏁�(sh霉)鎿�(j霉)閲囬泦涓殑瑷�(j矛)鏁�(sh霉)妯″銆�
銆€銆€4. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊細濡傚鐢ㄩ浕鍣ㄧ殑鏅�(sh铆)闁撴帶鍒跺櫒銆佹父鎴叉(j墨)涓殑骞€瑷�(j矛)鏁�(sh霉)绛�銆�
銆€銆€5. 娓�(c猫)瑭︽脯(c猫)閲�?j墨)x鍣細濡傜ず娉㈠櫒銆侀倧杓垎鏋愬剙涓殑鏅�(sh铆)鍩洪浕璺儴鍒�銆�