SN74LV21A 鏅�(sh铆)闁擄細2025/5/6 16:56:31 闁辫畝锛�25

SN74LV21A 鏄竴绋洐杓稿叆姝ｉ倧杓簩杓稿叆鑸囬潪闁€(m茅n) (NAND Gate) 闆嗘垚闆昏矾锛屽爆浜� TI 鍏徃鐨� 74 绯诲垪閭忚集鍣ㄤ欢銆傚畠閲囩敤浣庨浕澹� CMOS 鎶€琛�(sh霉)鍒堕€狅紝鏀寔杓冧綆鐨勫伐浣滈浕澹撹寖鍦嶏紙1.65V 鑷� 5.5V锛夛紝鍏锋湁楂樺櫔鑱插闄愬拰蹇€熼枊(k膩i)闂�(gu膩n)閫熷害銆傝┎鑺墖寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅浕璺腑锛岀敤浜庝俊铏�(h脿o)铏曠悊鍜岄倧杓帶鍒�銆�
銆€銆€SN74LV21A 鐨勪富瑕佺壒榛�(di菐n)鏄叾鑳藉鍦ㄨ純瀵殑闆诲鑼冨湇鍏�(n猫i)宸ヤ綔锛屽苟鎻愪緵楂橀﹨(q奴)鍕�(d貌ng)鑳藉姏鍜岀┅(w臎n)瀹氭€�锛岄仼鐢ㄤ簬宸ユキ(y猫)銆佹秷璨�(f猫i)闆诲瓙鍜岄€氫俊闋�(l菒ng)鍩�銆�

鍙冩暩(sh霉)

闆绘簮闆诲(Vcc)锛�1.65V 鑷� 5.5V
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁�(tPLH/tPHL)锛氭渶澶� 8ns锛堝湪 Vcc=3.3V 姊濅欢涓嬶級
銆€銆€杓稿叆闆绘祦(IIL/IIH)锛毬�1渭A锛堝吀鍨嬪€硷級
銆€銆€杓稿嚭闆绘祦(IOL/IOH)锛毬�24mA锛堝吀鍨嬪€硷級
銆€銆€宸ヤ綔婧害鑼冨湇(Ta)锛�-40掳C 鑷� +125掳C
銆€銆€灏佽椤�(l猫i)鍨嬶細SOIC, TSSOP
銆€銆€閫氶亾鏁�(sh霉)閲忥細2

鐗规€�

SN74LV21A 鎻愪緵浜嗕互涓嬮棞(gu膩n)閸电壒鎬э細
銆€銆€1. 瀵浕婧愰浕澹撹寖鍦嶏細鏀寔寰� 1.65V 鍒� 5.5V 鐨勪緵闆�锛屼娇鍏跺吋瀹瑰绋郴绲�(t菕ng)鐠�(hu谩n)澧�銆�
銆€銆€2. 蹇€熷偝鎾欢閬诧細鍦ㄥ吀鍨嬫浠朵笅锛堝 Vcc=3.3V锛�锛屽偝鎾欢閬插皬浜� 8ns锛岀⒑淇濋珮鏁堢殑淇¤櫉(h脿o)铏曠悊銆�
銆€銆€3. 浣庨潨鎱�(t脿i)闆绘祦锛氬嵆浣垮湪妤典綆鐨勫伐浣滈浕澹撲笅锛岃姱鐗囦粛鑳戒繚鎸佷綆鍔熻€楅亱(y霉n)琛�銆�
銆€銆€4. 楂樿几鍑洪﹨(q奴)鍕�(d貌ng)鑳藉姏锛氭瘡鍊�(g猫)杓稿嚭鍙﹨(q奴)鍕�(d貌ng)楂橀仈(d谩) 卤24mA 鐨勮矤(f霉)杓夛紝婊胯冻澶氳矤(f霉)杓夋噳(y墨ng)鐢ㄩ渶姹�銆�
銆€銆€5. 宸ユキ(y猫)绱�(j铆)宸ヤ綔婧害鑼冨湇锛氳兘鍦ㄦサ绔韩搴︽浠朵笅鍙潬閬�(y霉n)琛岋紙-40掳C 鑷� +125掳C锛�銆�
銆€銆€6. 鍙潬鎬ч珮锛氱鍚� RoHS 妯�(bi膩o)婧�(zh菙n)锛岄噰鐢ㄥ厛閫�(j矛n)鐨� CMOS 宸ヨ棟鍒堕€�锛屽叿鍌欒壇濂界殑鎶楀共鎿炬€ц兘銆�

鎳�(y墨ng)鐢�

SN74LV21A 甯歌(ji脿n)鐨勬噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅寘鎷細
銆€銆€1. 鏁�(sh霉)瀛椾俊铏�(h脿o)铏曠悊锛氱敤浜庢(g貌u)寤洪倧杓浕璺�锛屽(sh铆)鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)璺緫鎺у埗鎴栫媭鎱�(t脿i)姗�(j墨)鍔熻兘銆�
銆€銆€2. 宓屽叆寮忕郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)锛氱偤寰帶鍒跺櫒鎴栧叾浠栨暩(sh霉)瀛楄ō(sh猫)鍌欐彁渚涢倧杓帴鍙�銆�
銆€銆€3. 閫氫俊闆昏矾锛氱敤浣滄暩(sh霉)鎿�(j霉)绶╂矕鎴栦俊铏�(h脿o)杞�(zhu菐n)鎻涘櫒銆�
銆€銆€4. 娑堣不(f猫i)椤�(l猫i)闆诲瓙鐢�(ch菐n)鍝侊細渚嬪闆昏銆侀煶闊垮拰鍏朵粬澶氬獟楂旇ō(sh猫)鍌欎腑鐨勪俊铏�(h脿o)鎺у埗銆�
銆€銆€5. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栵細浣滅偤鍌虫劅鍣ㄤ俊铏�(h脿o)铏曠悊鎴栨帶鍒剁郴绲�(t菕ng)鐨勪竴閮ㄥ垎銆�
銆€銆€6. 瑷�(j矛)绠楁(j墨)澶栧湇瑷�(sh猫)鍌欙細鐢ㄤ簬鎵撳嵃姗�(j墨)銆佹巸鎻忓剙绛夊瑷�(sh猫)涓殑閭忚集鎿嶄綔銆�