CD74ACT258 鏅�(sh铆)闁擄細2025/5/6 20:12:31 闁辫畝锛�22

CD74ACT258 鏄竴娆鹃珮閫� CMOS 宸ヨ棟鍒堕€犵殑闆� 4 浣嶅瘎瀛樺櫒锛屽爆浜� TI锛堝痉宸炲剙鍣級鐢熺敘(ch菐n)鐨� 74 绯诲垪閭忚集鍣ㄤ欢銆傝┎鑺墖鍏锋湁浣庡姛鑰椼€侀珮闁嬮棞(gu膩n)閫熷害鐨勭壒榛�(di菐n)锛屽唬娉涙噳(y墨ng)鐢ㄤ簬鏁�(sh霉)鎿�(j霉)瀛樺劜(ch菙)鍜屽偝杓稿牬鏅€�
銆€銆€瀹冪敱鍏╁€�(g猫)鐛�(d煤)绔嬬殑 4 浣嶉€忔槑閹栧瓨鍣ㄧ祫鎴�锛屾瘡鍊�(g猫)閹栧瓨鍣ㄥ叿鏈夊柈鐛�(d煤)鐨勬暩(sh霉)鎿�(j霉)杓稿叆绔拰杓稿嚭鎺у埗绔紝閬╃敤浜庨渶瑕佸皪(du矛)澶氳矾淇¤櫉(h脿o)閫�(j矛n)琛屽悓姝ラ噰妯ｇ殑鎳�(y墨ng)鐢ㄧ挵(hu谩n)澧�銆�

鍙冩暩(sh霉)

闆绘簮闆诲锛�2V~6V
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁擄細5.5ns锛堝吀鍨嬪€�锛屽湪 VCC=5V 涓嬶級
銆€銆€闈滄厠(t脿i)闆绘祦锛氭渶澶� 8渭A锛堝湪 VCC=5V 涓嬶級
銆€銆€杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛毬�24mA

鐗规€�

CD74ACT258 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 楂橀€熸€ц兘锛氶噰鐢ㄥ厛閫�(j矛n)鐨� CMOS 鎶€琛�(sh霉)锛岀⒑淇濅簡妤电煭鐨勫偝鎾欢閬叉檪(sh铆)闁�锛岄潪甯搁仼鍚堥珮闋绘暩(sh霉)瀛楅浕璺ō(sh猫)瑷�(j矛)銆�
銆€銆€2. 闆欏悜閫忔槑閹栧瓨锛氭瘡鍊�(g猫) 4 浣嶅瘎瀛樺櫒閮藉彲浠ラ€氶亷浣胯兘淇¤櫉(h脿o)瀵�(sh铆)鐝�(xi脿n)閫忔槑閹栧瓨鍔熻兘锛屼究浜庨潏娲绘帶鍒舵暩(sh霉)鎿�(j霉)娴併€�
銆€銆€3. 瀵浕婧愰浕澹撹寖鍦嶏細鏀寔寰� 2V 鍒� 6V 鐨勫闆诲鑼冨湇锛屾彁楂樹簡鍏跺吋瀹规€у拰閬╂噳(y墨ng)鎬с€�
銆€銆€4. 楂樻韩绌�(w臎n)瀹氭€э細鑳藉湪 -40掳C 鑷� +125掳C 鐨勫伐妤�(y猫)绱�(j铆)婧害鑼冨湇鍏�(n猫i)鍙潬閬�(y霉n)琛�銆�
銆€銆€5. 瓒呬綆鍔熻€楋細鍗充娇鍦ㄩ珮闋绘搷浣滀笅锛屽叾闈滄厠(t脿i)鍔熻€椾篃闈炲父浣�锛岄潪甯搁仼鍚堥浕姹犱緵闆昏ō(sh猫)鍌欐垨绡€(ji茅)鑳界郴绲�(t菕ng)銆�

鎳�(y墨ng)鐢�

CD74ACT258 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)閲囬泦鑸囩珐娌栵細鐢ㄤ簬灏囦締鑷鍊�(g猫)婧愮殑鏁�(sh霉)鎿�(j霉)鏆檪(sh铆)瀛樺劜(ch菙)骞跺悓姝ュ偝杓�銆�
銆€銆€2. 鏁�(sh霉)瀛楅€氫俊鎺ュ彛锛氬湪涓茶/骞惰杞�(zhu菐n)鎻涗腑浣滅偤鑷ㄦ檪(sh铆)瀛樺劜(ch菙)鍠厓銆�
銆€銆€3. 宓屽叆寮忕郴绲�(t菕ng)锛氱敤浣滃井鎺у埗鍣ㄥ瑷�(sh猫)鎿�(ku貌)灞曟檪(sh铆)鐨勬暩(sh霉)鎿�(j霉)鏆瓨銆�
銆€銆€4. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栵細濡� PLC 鎺у埗鍣ㄤ腑鐨勬暩(sh霉)鎿�(j霉)铏曠悊妯″銆�
銆€銆€5. 娓│娓噺瑷�(sh猫)鍌欙細渚嬪绀烘尝鍣�銆佹暩(sh霉)鎿�(j霉)瑷橀寗鍎€绛夐渶瑕佸揩閫熸崟鎹変俊铏�(h脿o)鐨勬噳(y墨ng)鐢�銆�