CD74HC670 鏅�(sh铆)闁擄細2025/5/6 20:50:12 闁辫畝锛�26

CD74HC670 鏄竴娆鹃洐 4 浣嶅悓姝ュ姞杓夐洐鍚戠Щ浣嶅瘎瀛樺櫒锛屽爆浜� 74HC 绯诲垪楂橀€� CMOS 鍣ㄤ欢銆傝┎鑺墖鍏锋湁鍏╁€�(g猫)鐛�(d煤)绔嬬殑 4 浣嶇Щ浣嶅瘎瀛樺櫒锛屽苟鏀寔涓茶杓稿叆/杓稿嚭浠ュ強骞惰杓稿叆/杓稿嚭鍔熻兘銆傚叾瑷�(sh猫)瑷�(j矛)鑳藉?q奴)宕縁(xi脿n)鏁�(sh霉)鎿�(j霉)鍦ㄤ覆琛屽拰骞惰涔嬮枔鐨勯潏娲昏綁(zhu菐n)鎻涳紝閬╃敤浜庡悇绋暩(sh霉)鎿�(j霉)鍌宠几鍜屽瓨鍎�(ch菙)鍫�(ch菐ng)鏅€�
銆€銆€瑭茶姱鐗囧吋瀹� TTL 杓稿叆闆诲钩锛屽伐浣滈浕澹撹寖鍦嶇偤 2V 鑷� 6V锛屽湪鏁村€�(g猫)宸ヤ綔鑼冨湇鍏�(n猫i)淇濇寔浣庡姛鑰楃壒鎬�銆傜敱浜庡叾楂樺彲闈犳€у拰澶氬姛鑳芥€э紝CD74HC670 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬宸ユキ(y猫)鎺у埗銆侀€氫俊瑷�(sh猫)鍌欏拰娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑銆�

鍙冩暩(sh霉)

閭忚集绯诲垪锛欻C
銆€銆€宸ヤ綔闆诲锛圴锛夛細2 - 6
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁擄紙ns锛夛細18锛堝吀鍨嬪€�锛孈 Vcc = 5V锛�
銆€銆€杓稿叆闆绘祦锛埼糀锛夛細卤1
銆€銆€杓稿嚭闆绘祦锛坢A锛夛細卤7
銆€銆€宸ヤ綔婧害鑼冨湇锛堚剝锛夛細-40 to 85
銆€銆€灏佽椤炲瀷锛歋OIC, PDIP

鐗规€�

CD74HC670 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 闆� 4 浣嶇Щ浣嶅瘎瀛樺櫒绲�(ji茅)妲�(g貌u)锛屽厑瑷卞悓鏅�(sh铆)铏曠悊鍏╃祫鐛�(d煤)绔嬬殑鏁�(sh霉)鎿�(j霉)銆�
銆€銆€2. 鏀寔涓茶鍒板苟琛屽拰骞惰鍒颁覆琛岀殑鏁�(sh霉)鎿�(j霉)杞�(zhu菐n)鎻�锛屽寮�(qi谩ng)浜嗘暩(sh霉)鎿�(j霉)鍌宠几?sh霉)鎾礰娲绘€�銆�
銆€銆€3. 鍚屾鏅�(sh铆)閻樿几鍏ュ拰鍚屾骞惰鍔犺級鍔熻兘锛岀⒑淇濅簡鏁�(sh霉)鎿�(j霉)鎿嶄綔鐨勪竴鑷存€у拰婧�(zh菙n)纰烘€с€�
銆€銆€4. 鎻愪緵鍠崹(d煤)鐨勬竻闆跺紩鑵�锛屼究浜庡揩閫熷垵濮嬪寲鎴栧京(f霉)浣嶃€�
銆€銆€5. 杓稿叆杓稿嚭寮曡叧鍏峰倷涓夋厠(t脿i)鍔熻兘锛屽彲浠ユ柟渚垮湴閫ｆ帴鍒扮附绶氱郴绲�(t菕ng)銆�
銆€銆€6. 楂橀€熼亱(y霉n)琛岃兘鍔涳紝鏈€澶ф檪(sh铆)閻橀牷鐜囧彲閬�(d谩) 50MHz锛園 Vcc = 6V锛�銆�
銆€銆€7. 浣庡姛鑰楄ō(sh猫)瑷�(j矛)锛岄潨鎱�(t脿i)闆绘祦灏忎簬 1渭A锛堝吀鍨嬪€硷級锛岄潪甯搁仼鍚堝皪(du矛)鍔熻€楁晱鎰熺殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅€�
銆€銆€8. 瀵伐浣滈浕澹撹寖鍦嶅拰宸ユキ(y猫)绱�(j铆)婧害鑼冨湇锛屾彁楂樹簡鍣ㄤ欢鐨勯仼鎳�(y墨ng)鎬у拰鍙潬鎬�銆�

鎳�(y墨ng)鐢�

CD74HC670 涓昏鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 鏁�(sh霉)鎿�(j霉)閲囬泦鑸囪檿鐞嗙郴绲�(t菕ng)涓殑鏁�(sh霉)鎿�(j霉)绶╂矕鍜岃綁(zhu菐n)鎻�銆�
銆€銆€2. 鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊涓殑涓茶鍜屽苟琛屾暩(sh霉)鎿�(j霉)鍌宠几銆�
銆€銆€3. 椤ず椹�(q奴)鍕�(d貌ng)闆昏矾涓殑鏁�(sh霉)鎿�(j霉)鍒嗛厤鍜屽埛鏂�銆�
銆€銆€4. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栨帶鍒剁郴绲�(t菕ng)涓殑澶氳矾淇¤櫉(h脿o)鍒囨彌銆�
銆€銆€5. 閫氫俊鎺ュ彛妯″涓殑鏁�(sh霉)鎿�(j霉)骞€鎵撳寘鍜岃В鍖�銆�
銆€銆€6. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勬暩(sh霉)鎿�(j霉)鏆瓨鍜岃綁(zhu菐n)鐧�(f膩)銆�
銆€銆€7. 瑷�(j矛)绠楁(j墨)澶栧湇瑷�(sh猫)鍌欎腑鐨勬暩(sh霉)鎿�(j霉)鍌宠几閺堣矾鎿�(ku貌)灞�銆�
銆€銆€姝ゅ锛岀敱浜庡叾寮�(qi谩ng)澶х殑闆欏悜鏁�(sh霉)鎿�(j霉)铏曠悊鑳藉姏鍜岄潏娲荤殑宸ヤ綔妯″紡锛岃┎鑺墖閭勫彲浠ョ敤浣滈€氱敤鏁�(sh霉)瀛楅倧杓ā濉婏紝婊胯冻澶氱ó瀹氬埗鍖栭渶姹�銆�