CD74HCT42 鏅�(sh铆)闁擄細2025/5/6 20:24:32 闁辫畝锛�32

CD74HCT42鏄竴娆鹃洐鍥涜几鍏ヨ垏闁€锛圖ual Four-Input AND Gates锛夐泦鎴愰浕璺�锛屽爆浜�74HCT绯诲垪鐨勯珮閫烠MOS閭忚集鍣ㄤ欢銆傝┎鑺墖鍏锋湁浣庡姛鑰�銆侀珮闁�(k膩i)闂�(gu膩n)閫熷害浠ュ強鑸嘥TL鍜孋MOS闆诲钩鍏煎鐨勭壒榛�(di菐n)銆傚畠鐢卞叐鍊�(g猫)鐛�(d煤)绔嬬殑鍥涜几鍏ヨ垏闁€绲勬垚锛屾瘡鍊�(g猫)鑸囬杸鏈夊洓鍊�(g猫)杓稿叆绔拰涓€鍊�(g猫)杓稿嚭绔�銆傞€氶亷(gu貌)灏囨墍鏈夎几鍏ヨō(sh猫)缃偤楂橀浕骞筹紝鍙互寰楀埌楂橀浕骞宠几鍑�锛涘彧瑕佹湁涓€鍊�(g猫)杓稿叆鐐轰綆闆诲钩锛屽墖杓稿嚭鐐轰綆闆诲钩銆�
銆€銆€閫欑ó閭忚集鍔熻兘寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鏁�(sh霉)瀛楅浕璺ō(sh猫)瑷�(j矛)涓紝渚嬪淇¤櫉(h脿o)铏曠悊銆佹暩(sh霉)鎿�(j霉)閬告搰鍜屾帶鍒堕倧杓瓑鍫�(ch菐ng)鏅€�

鍙冩暩(sh霉)

灏佽锛欴IP16/SOIC16
銆€銆€宸ヤ綔闆诲鑼冨湇锛�2V 鑷� 6V
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈€澶�9ns锛堝湪Vcc=5V鏅�(sh铆)锛�
銆€銆€杓稿叆闆绘祦锛毬�1渭A锛堟渶澶у€硷級
銆€銆€杓稿嚭闆绘祦锛毬�25mA锛堟渶澶у€硷級
銆€銆€宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆€銆€闈滄厠(t脿i)鍔熻€楋細5渭W锛堝吀鍨嬪€硷紝鍦╒cc=5V鏅�(sh铆)锛�

鐗规€�

CD74HCT42閲囩敤浜嗗厛閫�(j矛n)鐨凜MOS宸ヨ棟鍒堕€�锛屽叿鍌欎互涓嬩富瑕佺壒榛�(di菐n)锛�
銆€銆€1. 楂橀€熸€ц兘锛氬叾鍌虫挱寤堕伈鏅�(sh铆)闁撶煭锛岃兘澶犳豢瓒冲皪(du矛)閫熷害瑕佹眰杓冮珮鐨勬噳(y墨ng)鐢ㄩ渶姹�銆�
銆€銆€2. 瀵浕澹撹寖鍦嶏細鏀寔2V鍒�6V鐨勫伐浣滈浕澹擄紝閬╁悎澶氱ó渚涢浕鐠�(hu谩n)澧�銆�
銆€銆€3. 浣庡姛鑰楋細闈滄厠(t脿i)鍔熻€楁サ浣�锛屾湁鍔╀簬寤堕暦(zh菐ng)闆绘睜渚涢浕瑷�(sh猫)鍌欑殑浣跨敤澹藉懡銆�
銆€銆€4. TTL鍜孋MOS鍏煎鎬э細杓稿叆杓稿嚭闆诲钩鍏煎TTL鍜孋MOS妯�(bi膩o)婧�(zh菙n)锛屾柟渚胯垏鍏朵粬閭忚集闆昏矾浜掕伅(li谩n)銆�
銆€銆€5. 鑰愮啽鎬у挤(qi谩ng)锛氳兘澶犲湪妤电婧害姊濅欢涓嬬┅(w臎n)瀹氶亱(y霉n)琛�锛岄仼鐢ㄤ簬宸ユキ(y猫)鍙婃苯杌婇牁(l菒ng)鍩熴€�

鎳�(y墨ng)鐢�

CD74HCT42閬╃敤浜庡悇绋渶瑕侀倧杓亱(y霉n)绠楃殑鍫�(ch菐ng)鍚堬紝鍏烽珨鎳�(y墨ng)鐢ㄥ寘鎷絾涓嶉檺浜庯細
銆€銆€1. 鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊锛氱敤浜庡璺俊铏�(h脿o)鐨勯倧杓祫鍚堣垏鍒ゆ柗銆�
銆€銆€2. 鏁�(sh霉)鎿�(j霉)閬告搰鍣�/瑙ｇ⒓鍣細妲�(g貌u)寤哄皬鍨嬬殑鏁�(sh霉)鎿�(j霉)閬告搰鎴栬В纰奸浕璺�銆�
銆€銆€3. 鎺у埗绯荤当(t菕ng)锛氫綔鐐烘帶鍒堕倧杓殑涓€閮ㄥ垎锛屽(sh铆)鐝�(xi脿n)寰�(f霉)闆滅殑姊濅欢妾㈡脯(c猫)銆�
銆€銆€4. 閫氫俊瑷�(sh猫)鍌欙細鍙冭垏淇¤櫉(h脿o)鐨勭法纰艰垏瑙ｇ⒓閬�(gu貌)绋�銆�
銆€銆€5. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊細濡傚鐢ㄩ浕鍣ㄤ腑鐨勭媭鎱�(t脿i)鐩�(ji膩n)娓�(c猫)鍜屾帶鍒跺姛鑳芥ā濉�銆�
銆€銆€6. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栵細鐢ㄤ綔鍌虫劅鍣ㄤ俊铏�(h脿o)铏曠悊鍜屽煼(zh铆)琛屾(j墨)妲�(g貌u)椹�(q奴)鍕�(d貌ng)鐨勪腑闁撻倧杓柈鍏�銆�