鍨嬭櫉(h脿o)锛歋N74HCT240
銆�銆�灏佽�濓細DIP-20, SOIC-20
銆�銆�閭忚集绯诲垪锛�74HCT
銆�銆�閫氶亾鏁�(sh霉)锛�
銆�銆�闆绘簮闆诲��(Vcc)锛�2V 鑷� 6V
銆�銆�宸ヤ綔婧�搴﹁寖鍦嶏��-55掳C 鑷� +125掳C
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細7ns锛堝吀鍨嬪��锛屽彇姹轰簬 Vcc锛�
銆�銆�杓稿叆闆绘祦(Iil)锛�-1mA锛堟渶澶у�硷級
銆�銆�杓稿嚭闆绘祦(Ioh/Iol)锛毬�25mA锛堟渶澶у�硷級

SN74HCT240 鎻愪緵浜嗛珮鎬ц兘鐨勪笁鎱�(t脿i)绶╂矕鍔熻兘锛岄仼鐢ㄤ簬澶氳矾寰�(f霉)鐢ㄥ拰鏁�(sh霉)鎿�(j霉)鍌宠几鎳�(y墨ng)鐢�銆備互涓嬫槸鍏朵富瑕佺壒榛�(di菐n)锛�
銆�銆�1. 楂橀�� CMOS 鎶�琛�(sh霉)纰轰繚鑸囧揩閫熺郴绲�(t菕ng)鏅�(sh铆)閻樺悓姝ユ搷浣�銆�
銆�銆�2. 姣忚矾杓稿嚭鍧囧彲閫氶亷(gu貌) OE 寮曡叧鐛�(d煤)绔嬫帶鍒�锛屾柟渚垮��(sh铆)鐝�(xi脿n)寰�(f霉)闆滅殑淇¤櫉(h脿o)绠＄悊銆�
銆�銆�3. 鍏煎�规��(bi膩o)婧�(zh菙n) TTL 杓稿嚭闆诲钩锛屼究浜庡湪涓嶅悓閭忚集绯诲垪涔嬮枔閫�(j矛n)琛岀劇(w煤)绺�閫ｆ帴銆�
銆�銆�4. 瓒呭��鐨勫伐浣滈浕澹撹寖鍦嶏紙2V 鍒� 6V锛�锛岄仼鎳�(y墨ng)澶氱ó渚涢浕鐠�(hu谩n)澧�銆�
銆�銆�5. 浣庨潨鎱�(t脿i)鍔熻�楄ō(sh猫)瑷�(j矛)鏈夊姪浜庨檷浣庢暣楂旂郴绲�(t菕ng)鑳借��銆�
銆�銆�6. 寤ｆ硾鐨勫伐浣滄韩搴﹁寖鍦嶄娇寰楀叾閬╁悎宸ユキ(y猫)鍜屾苯杌�(ch膿)绱�(j铆)鎳�(y墨ng)鐢�銆�

SN74HCT240 鐨勫�氬姛鑳芥�т娇鍏舵垚鐐鸿ū澶氶浕瀛愮郴绲�(t菕ng)鐨勭悊鎯抽伕鎿囥�備互涓嬫槸鍏跺父瑕�(ji脿n)鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�锛�
銆�銆�1. 鏁�(sh霉)鎿�(j霉)绺界窔椹�(q奴)鍕�(d貌ng)锛氱敤浜庢摯(ku貌)灞曞井铏曠悊鍣ㄦ垨鎺у埗鍣ㄧ殑鏁�(sh霉)鎿�(j霉)绺界窔瀵�搴�銆�
銆�銆�2. 绶╂矕缍�(w菐ng)绲�(lu貌)淇¤櫉(h脿o)锛氬湪缍�(w菐ng)绲�(lu貌)閫氫俊涓�澧炲��(qi谩ng)淇¤櫉(h脿o)寮�(qi谩ng)搴︿互娓涘皯琛版笡銆�
銆�銆�3. 鍦板潃瑙ｇ⒓锛氬湪瀛樺劜(ch菙)鍣ㄧ�＄悊鍠�鍏冧腑瀵�(sh铆)鐝�(xi脿n)鍦板潃淇¤櫉(h脿o)鐨勯殧闆㈠拰鏀惧ぇ銆�
銆�銆�4. 鎺ュ彛杞�(zhu菐n)鎻涳細鍦ㄤ笉鍚岀殑閭忚集闆诲钩绯荤当(t菕ng)涔嬮枔閫�(j矛n)琛岄浕骞冲尮閰嶃��
銆�銆�5. 宸ユキ(y猫)鑷�鍕�(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勪俊铏�(h脿o)瑾�(di脿o)鐞嗘ā濉�銆�
銆�銆�6. 姹借粖(ch膿)闆诲瓙绯荤当(t菕ng)涓�鐨勪俊铏�(h脿o)鍒嗛厤绲勪欢銆�

SN74HC240, SN74ACT240, MC74HC240