SN74AHC139DR 鏅�(sh铆)闁擄細2025/4/27 13:47:23 闁辫畝锛�32

SN74AHC139DR 鏄竴娆鹃洐2-4绶氳纰煎櫒/瑙ｇ⒓鍣�锛屽爆浜嶵I锛堝痉宸炲剙鍣級鐨凙HC绯诲垪楂橀€烠MOS閭忚集鍣ㄤ欢銆傝┎鑺墖閲囩敤浜嗗厛閫�(j矛n)鐨勭鏌垫サCMOS鎶€琛�(sh霉)鍒堕€�锛屽叿鏈変綆鍔熻€楀拰楂橀枊闂�(gu膩n)閫熷害鐨勭壒榛�(di菐n)銆傚畠鑳藉?q奴)顣ㄨ摎鈧�(g猫)杓稿叆鍦板潃淇¤櫉(h脿o)杞�(zhu菐n)鎻涚偤鍥涘€�(g猫)杓稿嚭淇¤櫉(h脿o)锛屽苟涓旀敮鎸佷娇鑳界鎺у埗鍔熻兘銆傞€欑ó鑺墖寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鏁�(sh霉)瀛楅浕璺腑鐨勫湴鍧€璀⒓銆佷俊铏�(h脿o)閬告搰浠ュ強澶氳矾寰�(f霉)鐢ㄧ瓑鍔熻兘銆�
銆€銆€SN74AHC139DR鐨勫伐浣滈浕澹撹寖鍦嶈純瀵�锛屾敮鎸�+2V鑷�+6V鐨勯浕婧愪緵闆伙紝浣垮叾闈炲父閬╁悎浜庝笉鍚岄浕澹撶瓑绱�(j铆)鐨勭郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)涓娇鐢�銆�

鍙冩暩(sh霉)

闆绘簮闆诲(VCC)锛�2V~6V
銆€銆€宸ヤ綔闆绘祦锛�50uA锛堝吀鍨嬪€硷級
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁擄細8ns锛堟渶澶у€�锛屽吀鍨嬫噳(y墨ng)鐢ㄦ浠朵笅锛�
銆€銆€杓稿叆闆诲锛�7pF
銆€銆€杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛�24LSTTL璨�(f霉)杓夋垨4妯�(bi膩o)婧�(zh菙n)CMOS璨�(f霉)杓�
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C~85掳C
銆€銆€灏佽褰㈠紡锛歋OIC-16

鐗规€�

SN74AHC139DR鍏锋湁浠ヤ笅涓昏鐗规€э細
銆€銆€1. 闆�2-4绶氳纰煎櫒绲�(ji茅)妲�(g貌u)锛屽彲浠ュ悓鏅�(sh铆)铏曠悊鍏╃祫鐛�(d煤)绔嬬殑杓稿叆淇¤櫉(h脿o)銆�
銆€銆€2. 楂橀€熸€ц兘锛屽偝鎾欢閬叉檪(sh铆)闁撶煭锛岄仼鍚堝湪楂橀牷鏁�(sh霉)瀛楅浕璺腑浣跨敤銆�
銆€銆€3. 瓒呬綆闈滄厠(t脿i)闆绘祦锛屽湪闂�(gu膩n)鏂锋ā寮忎笅骞句箮涓嶆秷鑰楅浕鑳�銆�
銆€銆€4. 鍏ㄩ潰淇濊(h霉)瑷�(sh猫)瑷�(j矛)锛屽寘鎷珽SD闃茶(h霉)鍜岄亷(gu貌)婧繚璀�(h霉)鍔熻兘銆�
銆€銆€5. 瀵伐浣滈浕澹撹寖鍦�锛屽吋瀹瑰绋郴绲�(t菕ng)渚涢浕闇€姹�銆�
銆€銆€6. 宸ユキ(y猫)绱�(j铆)宸ヤ綔婧害鑼冨湇锛屼繚璀夊湪鎯″姡鐠�(hu谩n)澧冧笅涔熻兘绌�(w臎n)瀹氶亱(y霉n)琛屻€�
銆€銆€7. 灏忓瀷鍖栧皝瑁�锛岀瘈(ji茅)鐪丳CB绌洪枔锛屾柟渚垮竷灞€甯冪窔銆�

鎳�(y墨ng)鐢�

SN74AHC139DR鍥犲叾楂樻€ц兘鍜岄潏娲绘€ц寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó闋�(l菒ng)鍩燂細
銆€銆€1. 瑷�(j矛)绠楁(j墨)鍙婂瑷�(sh猫)涓殑鍦板潃璀⒓鍜屼俊铏�(h脿o)閬告搰銆�
銆€銆€2. 鏁�(sh霉)瀛楅€氫俊绯荤当(t菕ng)涓殑鏁�(sh霉)鎿�(j霉)璺敱鍜屽璺京(f霉)鐢�銆�
銆€銆€3. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勬帶鍒堕倧杓浕璺�銆�
銆€銆€4. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勪俊铏�(h脿o)铏曠悊鍜屾帶鍒跺柈鍏�銆�
銆€銆€5. 閱�(y墨)鐧傞浕瀛愯ō(sh猫)鍌欎腑鐨勫閫氶亾淇¤櫉(h脿o)绠＄悊銆�
銆€銆€6. 娓�(c猫)瑭︽脯(c猫)閲�?j墨)x鍣ㄤ腑鐨勬暩(sh霉)鎿�(j霉)閲囬泦鍜岃檿鐞嗛儴鍒�銆�
銆€銆€瑭茶姱鐗囨啈鍊熷叾鍙潬鎬у拰楂樻晥鎬ф垚鐐虹溇澶氬伐绋嬪斧棣栭伕鐨勮В姹烘柟妗堜箣涓€銆�