SN74ALS874B 鏅傞枔锛�2025/5/30 20:54:42 闁辫畝锛�15

SN74ALS874B 鏄竴娆鹃珮鎬ц兘鐨勯洐鍥涜矾鏁�(sh霉)鎿�(j霉)閬告搰鍣�/澶氳矾寰�(f霉)鐢ㄥ櫒锛�2-to-1 Multiplexer锛�锛屽爆浜庡痉宸炲剙鍣紙TI锛夋帹鍑虹殑74绯诲垪閭忚集鑺墖銆傝┎鍣ㄤ欢閲囩敤浜嗗厛閫茬殑浣庡姛鑰楄倴鐗瑰熀鎶€琛�(sh霉)锛圓dvanced Low-power Schottky锛孉LS锛�锛屽叿鏈夐珮閫熷害銆侀珮鍣伈瀹归檺鍜屼綆鍔熻€楃殑鐗归粸銆傚畠寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鏁�(sh霉)瀛楅浕璺腑锛岀敤浜庡鐝�(xi脿n)澶氳矾淇¤櫉鐨勯伕鎿囧拰鍒囨彌鍔熻兘銆�
銆€銆€SN74ALS874B 鍏�(n猫i)閮ㄥ寘鍚叐鍊嬬崹绔嬬殑鍥涜矾澶氳矾寰�(f霉)鐢ㄥ櫒锛屾瘡鍊嬪京(f霉)鐢ㄥ櫒鍙互鏍规摎(j霉)鎺у埗杓稿叆寰炲洓鍊嬫暩(sh霉)鎿�(j霉)婧愪腑閬告搰涓€鍊嬭几鍑哄埌鍏叡绔�銆傞€欑ó瑷�(sh猫)瑷堥潪甯搁仼鍚堥渶瑕侀潏娲讳俊铏熻矾鐢辩殑鎳�(y墨ng)鐢ㄥ牬鏅�銆�

鍙冩暩(sh霉)

閭忚集绯诲垪锛�74ALS
銆€銆€宸ヤ綔闆诲鑼冨湇锛�4.5V 鑷� 5.5V
銆€銆€鍌虫挱寤堕伈鏅傞枔锛氭渶澶� 9ns锛堝吀鍨嬪€硷級
銆€銆€闈滄厠(t脿i)闆绘祦锛氭渶澶� 20渭A锛堢劇璨犺級锛�
銆€銆€杓稿嚭闆绘祦锛毬�24mA
銆€銆€灏佽椤炲瀷锛欴IP锛堥洐鍒楃洿鎻掑紡锛�銆丼OIC锛堝皬澶栧舰闆嗘垚闆昏矾锛�
銆€銆€宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C

鐗规€�

1. 楂橀€熸€ц兘锛氶噰鐢� ALS 鎶€琛�(sh霉)锛岀⒑淇濅簡妤典綆鐨勫偝鎾欢閬叉檪闁�锛岄仼鍚堥珮閫熸噳(y墨ng)鐢�銆�
銆€銆€2. 浣庡姛鑰楄ō(sh猫)瑷堬細鍦ㄧ董鎸侀珮鎬ц兘鐨勫悓鏅�锛岄’钁楅檷浣庝簡闈滄厠(t脿i)鍔熻€�锛屾彁鍗囦簡绯荤当(t菕ng)鏁堢巼銆�
銆€銆€3. 楂樺櫔鑱插闄愶細绗﹀悎 JEDEC 妯欐簴锛屽寮蜂簡鎶楀共鎿捐兘鍔�锛岄仼鐢ㄤ簬寰�(f霉)闆滅殑闆荤鐠�(hu谩n)澧�銆�
銆€銆€4. 澶氬姛鑳芥€э細闆欏洓璺祼(ji茅)妲�(g貌u)鍏佽ū鍚屾檪铏曠悊鍏╃祫鐛ㄧ珛鐨勫璺京(f霉)鐢ㄤ换鍕�(w霉)锛岀啊鍖栦簡闆昏矾瑷�(sh猫)瑷�銆�
銆€銆€5. 寤ｆ硾鐨勫伐浣滄韩搴﹁寖鍦嶏細浣垮叾鑳藉閬╂噳(y墨ng)鍚勭ó宸ユキ(y猫)绱氬拰杌嶄簨绱氭噳(y墨ng)鐢ㄥ牬鏅€�

鎳�(y墨ng)鐢�

1. 鏁�(sh霉)瀛椾俊铏熷垏鎻涜垏璺敱
銆€銆€2. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑澶氶€氶亾閬告搰
銆€銆€3. 寰檿鐞嗗櫒澶栧湇鎺ュ彛瑷�(sh猫)瑷�
銆€銆€4. 娓│娓噺瑷�(sh猫)鍌欎腑鐨勪俊铏熺鐞�
銆€銆€5. 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)
銆€銆€6. 閫氫俊瑷�(sh猫)鍌欎腑鐨勪俊铏熷垎閰嶈垏铏曠悊