CD74HCT194 鏅�(sh铆)闁擄細2025/5/6 20:23:40 闁辫畝锛�28

CD74HCT194 鏄竴娆鹃噰鐢� CMOS 宸ヨ棟鍒堕€犵殑 4 浣嶉洐鍚戦€氱敤绉讳綅瀵勫瓨鍣�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬鏁�(sh霉)鎿�(j霉)鍌宠几鍜屽瓨鍎查牁(l菒ng)鍩�銆傝┎鑺墖鏀寔涓茶杓稿叆銆佸苟琛岃几鍏ャ€佷覆琛岃几鍑哄拰骞惰杓稿嚭鍔熻兘锛屽苟鍏锋湁鐛�(d煤)绔嬬殑鏅�(sh铆)閻樿几鍏ュ紩鑵筹紙CLK锛夊拰鏂瑰悜鎺у埗寮曡叧锛圖IR锛夛紝鍙互闈堟椿鍦板(sh铆)鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)宸︾Щ鎴栧彸绉绘搷浣�銆�
銆€銆€鐢变簬鍏朵綆鍔熻€楃壒鎬у拰楂樺吋瀹规€�锛孋D74HCT194 鑳藉鍦� TTL 鍜� CMOS 绯荤当(t菕ng)涓┅(w臎n)瀹氬伐浣滐紝閬╃敤浜庡绋伐妤�(y猫)鍜屾秷璨�(f猫i)椤為浕瀛愯ō(sh猫)鍌�銆�

鍙冩暩(sh霉)

閭忚集绯诲垪锛欻CT
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15ns锛堝吀鍨嬪€�锛孈 VCC = 5V锛�
銆€銆€鏈€澶у伐浣滈牷鐜囷細66MHz锛園 VCC = 5V锛�
銆€銆€杓稿叆闆绘祦锛毬�1mA
銆€銆€杓稿嚭闆绘祦锛毬�25mA
銆€銆€宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆€銆€灏佽椤炲瀷锛歋OIC-16, PDIP-16

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CD74HCT194 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 闆欏悜鏁�(sh霉)鎿�(j霉)绉讳綅鍔熻兘锛屽彲閫氶亷 DIR 寮曡叧閬告搰宸︾Щ鎴栧彸绉汇€�
銆€銆€2. 鏀寔涓茶鍜屽苟琛屾暩(sh霉)鎿�(j霉)杓稿叆/杓稿嚭锛屾彁渚涢潏娲荤殑鏁�(sh霉)鎿�(j霉)铏曠悊鑳藉姏銆�
銆€銆€3. 鍏�(n猫i)缃暟姝ユ竻闆跺紩鑵筹紙CLR锛�锛屽彲蹇€熷皣鎵€鏈夊瘎瀛樺櫒浣嶆竻闆�銆�
銆€銆€4. 楂橀浕骞冲吋瀹� TTL 杓稿叆锛屼究浜庤垏鍌崇当(t菕ng)閭忚集闆昏矾閫ｆ帴銆�
銆€銆€5. 妤典綆鐨勯潨鎱�(t脿i)鍔熻€�锛岄仼鍚堜究鏀滃紡瑷�(sh猫)鍌欏拰浣庡姛鑰楃郴绲�(t菕ng)銆�
銆€銆€6. 瀵伐浣滈浕澹撹寖鍦嶅拰楂樻韩搴﹂仼鎳�(y墨ng)鎬э紝淇濊瓑浜嗚姱鐗囧湪鍚勭ó鐠�(hu谩n)澧冧笅鐨勫彲闈犳€�銆�
銆€銆€閫欎簺鐗规€т娇 CD74HCT194 鎴愮偤妲�(g貌u)寤虹Щ浣嶅瘎瀛樺櫒銆佹暩(sh霉)鎿�(j霉)绶╂矕鍣�銆丩ED 鎺у埗鍣ㄧ瓑鐨勭悊鎯抽伕鎿囥€�

鎳�(y墨ng)鐢�

CD74HCT194 鍦ㄥ(sh铆)闅涙噳(y墨ng)鐢ㄤ腑鍙敤浜庝互涓嬪牬鏅細
銆€銆€1. 鏁�(sh霉)鎿�(j霉)鍌宠几鑸囧瓨鍎诧細鐢ㄤ簬涓茶鍒板苟琛屾垨骞惰鍒颁覆琛岀殑鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻�銆�
銆€銆€2. LED 椤ず椹�(q奴)鍕�(d貌ng)锛氶€氶亷涓茶杓稿叆鏂瑰紡鎺у埗澶氱祫 LED 妯″銆�
銆€銆€3. 鏁�(sh霉)瀛椾俊铏熻檿鐞嗭細浣滅偤鏁�(sh霉)瀛椾俊铏熺殑绶╁瓨鎴栧悓姝ュ柈鍏�銆�
銆€銆€4. 寰帶鍒跺櫒鎿�(ku貌)灞曪細澧炲姞寰帶鍒跺櫒鐨� I/O 寮曡叧鏁�(sh霉)閲�銆�
銆€銆€5. 宸ユキ(y猫)鎺у埗锛氱敤浜� PLC 鎴栧叾浠栬嚜鍕�(d貌ng)鍖栫郴绲�(t菕ng)鐨勪俊铏熻檿鐞嗘ā濉娿€�
銆€銆€6. 娑堣不(f猫i)闆诲瓙鐢�(ch菐n)鍝侊細濡傚鐢ㄩ浕鍣ㄤ腑鐨勭媭鎱�(t脿i)鎸囩ず鐕堟帶鍒�銆佹寜閸垫巸鎻忕瓑銆�
銆€銆€绺戒箣锛孋D74HCT194 鎲戝€熷叾澶氬姛鑳芥€у拰绌�(w臎n)瀹氭€�锛屾垚鐐虹溇澶氶浕瀛愯ō(sh猫)瑷�(j矛)涓殑鏍稿績绲勪欢涔嬩竴銆�