CD74AC20 鏅�(sh铆)闁擄細2025/5/12 15:16:35 闁辫畝锛�24

CD74AC20鏄竴娆鹃洐鍥涜几鍏ヨ垏闁€锛圖ual 4-Input AND Gates锛夌殑鏁�(sh霉)瀛楅倧杓姱鐗�锛屽爆浜�74绯诲垪涓殑AC锛圓dvanced CMOS锛夊鏃�銆傝┎鑺墖閲囩敤楂橀€烠MOS鎶€琛�(sh霉)鍒堕€�锛屽叿鏈変綆鍔熻€�銆侀珮闁嬮棞(gu膩n)閫熷害鍜屽挤(qi谩ng)椹�(q奴)鍕�(d貌ng)鑳藉姏鐨勭壒榛�(di菐n)銆傚畠閫氬父鐢ㄤ簬闇€瑕佽檿鐞嗗璺俊铏熷苟閫�(j矛n)琛岄倧杓亱(y霉n)绠楃殑鎳�(y墨ng)鐢ㄥ牬鏅�锛屼緥濡傛暩(sh霉)鎿�(j霉)铏曠悊銆佹帶鍒堕浕璺拰淇¤櫉璺敱绛�銆侰D74AC20鏀寔瀵寖鍦嶇殑闆绘簮闆诲锛�2V鑷�6V锛夛紝骞朵笖鑳藉鍦ㄥ伐妤�(y猫)绱氭韩搴﹁寖鍦嶅収(n猫i)绌�(w臎n)瀹氬伐浣滐紙-40掳C鑷�+85掳C锛�銆�
銆€銆€瑭茶姱鐗囧寘鍚叐鍊�(g猫)鐛�(d煤)绔嬬殑鍥涜几鍏ヨ垏闁€锛屾瘡鍊�(g猫)鑸囬杸鎺ユ敹鍥涘€�(g猫)杓稿叆淇¤櫉锛屽苟鏍规摎(j霉)鑸囬倧杓亱(y霉n)绠楄(gu墨)鍓囪几鍑虹祼(ji茅)鏋�銆傚鏋滄墍鏈夎几鍏ュ潎鐐洪珮闆诲钩锛屽墖杓稿嚭鐐洪珮闆诲钩锛涘惁鍓囪几鍑虹偤浣庨浕骞�銆�

鍙冩暩(sh霉)

閭忚集绯诲垪锛欰C
銆€銆€鍔熻兘锛氶洐鍥涜几鍏ヨ垏闁€
銆€銆€闆绘簮闆诲鑼冨湇锛�2V 鑷� 6V
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆€銆€灏佽椤炲瀷锛歋OIC, DIP
銆€銆€杓稿叆寮曡叧鏁�(sh霉)锛�
銆€銆€杓稿嚭寮曡叧鏁�(sh霉)锛�
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁擄細鍏稿瀷鍊�5.5ns
銆€銆€闈滄厠(t脿i)闆绘祦锛氭渶澶�1渭A锛堝湪5V鏅�(sh铆)锛�
銆€銆€鍕�(d貌ng)鎱�(t脿i)鍔熻€楋細姣忛杸绱�1mW

鐗规€�

1. 楂橀€熸€ц兘锛氱敱浜庨噰鐢ㄤ簡鍏堥€�(j矛n)鐨凜MOS宸ヨ棟锛孋D74AC20鐨勫偝鎾欢閬叉檪(sh铆)闁撻潪甯哥煭锛岃兘澶犳豢瓒抽珮闋绘噳(y墨ng)鐢ㄧ殑闇€姹�銆�
銆€銆€2. 浣庡姛鑰楄ō(sh猫)瑷�(j矛)锛氬湪闈滄厠(t脿i)姊濅欢涓嬪咕涔庝笉娑堣€楅浕娴侊紝閬╁悎灏嶅姛鑰楁晱鎰熺殑瑷�(sh猫)瑷�(j矛)銆�
銆€銆€3. 瀵浕婧愰浕澹撹寖鍦嶏細鏀寔2V鍒�6V鐨勫伐浣滈浕澹擄紝澧炲挤(qi谩ng)浜嗚ō(sh猫)瑷�(j矛)闈堟椿鎬�銆�
銆€銆€4. 宸ユキ(y猫)绱氬彲闈犳€э細鑳藉鍦ㄦサ绔韩搴︾挵(hu谩n)澧冧笅淇濇寔绌�(w臎n)瀹氶亱(y霉n)琛岋紝閬╃敤浜庡悇绋伐妤�(y猫)鎳�(y墨ng)鐢ㄥ牬鏅�銆�
銆€銆€5. 寮�(qi谩ng)椹�(q奴)鍕�(d貌ng)鑳藉姏锛氳几鍑虹鍙互椹�(q奴)鍕�(d貌ng)澶氬€�(g猫)鍚庣簩(x霉)閭忚集闁€锛岀啊鍖栦簡闆昏矾瑷�(sh猫)瑷�(j矛)銆�
銆€銆€6. 鍙垏TTL鍏煎锛氳几鍏ュ拰杓稿嚭闆诲钩鑸囧偝绲�(t菕ng)鐨凾TL鍣ㄤ欢鍏煎锛屼究浜庣郴绲�(t菕ng)闆嗘垚銆�

鎳�(y墨ng)鐢�

CD74AC20寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅浕璺腑锛岀壒鍒ユ槸鍦ㄩ渶瑕佸煼(zh铆)琛岄倧杓垏鎿嶄綔鐨勫牬鏅笅銆備互涓嬫槸鍏跺吀鍨嬫噳(y墨ng)鐢細
銆€銆€1. 鏁�(sh霉)鎿�(j霉)铏曠悊锛氱敤浜庣祫鍚堝鍊�(g猫)杓稿叆淇¤櫉浠ョ敓鎴愮壒瀹氱殑杓稿嚭姊濅欢銆�
銆€銆€2. 鎺у埗绯荤当(t菕ng)锛氬湪寰�(f霉)闆滅殑鎺у埗绯荤当(t菕ng)涓綔鐐洪倧杓垽鏂峰柈鍏�銆�
銆€銆€3. 淇¤櫉璺敱锛氶伕鎿囨€у湴鍌抽仦鎴栭樆姝俊铏熻矾寰�銆�
銆€銆€4. 绶ㄧ⒓鍣ㄥ拰瑙ｇ⒓鍣細鑸囧叾浠栭倧杓櫒浠堕厤鍚堜娇鐢紝妲�(g貌u)寤虹法纰兼垨瑙ｇ⒓鍔熻兘銆�
銆€銆€5. 鏁�(sh霉)瀛楅€氫俊锛氳檿鐞嗗悓姝ヤ俊铏熸垨鎻℃墜鍗�(xi茅)璀�銆�
銆€銆€6. 宓屽叆寮忕郴绲�(t菕ng)锛氱敤浣滃井鎺у埗鍣ㄥ鍦嶉倧杓殑涓€閮ㄥ垎锛屽(sh铆)鐝�(xi脿n)鐗瑰畾鍔熻兘銆�