鏅傞枔锛�2025/5/6 20:38:37
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CD74HC297鏄竴娆鹃洐鍥涜矾杓稿叆鑸囬杸閭忚集闆昏矾锛屽爆浜嶩C锛圚igh-speed CMOS锛夌郴鍒楀櫒浠躲�傝┎鑺墖鍩轰簬CMOS鎶�琛撳埗閫�锛屽叿鏈変綆鍔熻�椼�侀珮闁嬮棞閫熷害浠ュ強寤ｆ硾鐨勯浕澹撴搷浣滆寖鍦嶇瓑鐗规��銆侰D74HC297鍏煎TTL闆诲钩杓稿叆锛岄仼鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅浕璺ō瑷堝拰鎳夌敤锛屼緥濡備俊铏熸帶鍒�銆佹暩(sh霉)鎿�(j霉)铏曠悊鍜岄�氫俊绯荤当(t菕ng)涓殑閭忚集閬嬬畻銆�
渚涢浕闆诲锛�2V~6V
銆�銆�宸ヤ綔婧害锛�-55掳C ~ +125掳C
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氭渶澶�18ns锛堝湪Vcc=5V鏅傦級
銆�銆�杓稿叆闆绘祦锛毬�1渭A锛堟渶澶у�硷級
銆�銆�杓稿嚭闆绘祦锛毬�25mA锛堟渶澶у�硷級
銆�銆�灏佽褰㈠紡锛欴IP/SOIC/QFN绛�
CD74HC297閲囩敤浜嗛珮閫烠MOS鎶�琛�锛屽叿鍌欏嚭鑹茬殑闆绘埃鎬ц兘銆�
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銆�銆�浣庨潨鎱�(t脿i)鍔熻�楃壒鎬ф湁鍔╀簬寤堕暦闆绘睜渚涢浕瑷倷鐨勫伐浣滄檪闁撱��
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銆�銆�楂樺櫔鑱插闄愮⒑淇濅簡鍦ㄥ京闆滈浕纾佺挵(hu谩n)澧冧笅鐨勫彲闈犲伐浣溿��
CD74HC297甯哥敤浜庢暩(sh霉)瀛楅浕璺腑鐨勯倧杓亱绠�锛屽叿楂旀噳鐢ㄥ寘鎷絾涓嶉檺浜庯細
銆�銆�宓屽叆寮忕郴绲�(t菕ng)鐨勪俊铏熻檿鐞嗘ā濉�
銆�銆�宸ユキ(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓殑閭忚集鍒ゆ柗鍠厓
銆�銆�娑堣不椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勯枊闂滄帶鍒�
銆�銆�閫氫俊瑷倷涓殑鏁�(sh霉)鎿�(j霉)璺敱鎺у埗
銆�銆�鍚勯娓│鑸囨脯閲忓剙鍣ㄧ殑淇¤櫉鐢熸垚鑸囪檿鐞�
74HC297, SN74HC297, MC74HC297
