鏅傞枔锛�2025/4/30 17:35:45
闁辫畝锛�39
SN74HC148DR 鏄竴娆� 8 杓稿叆鍎�(y艒u)鍏堢法纰煎櫒锛屽爆浜� Texas Instruments 鐨� SN74HC 绯诲垪楂橀�� CMOS 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�锛屽苟涓旇垏 TTL 鍜� CMOS 閭忚集闆诲钩鍏煎銆傚畠閫氬父鐢ㄤ簬闇�瑕佸皣澶氬�嬭几鍏ヤ俊铏熻綁(zhu菐n)鎻涚偤浜岄�插埗绶ㄧ⒓杓稿嚭鐨勬噳(y墨ng)鐢ㄤ腑銆�
銆�銆�瑭插櫒浠惰兘澶�?q奴)?8 鍊嬭几鍏ヤ腑鐨勬渶楂樺劒(y艒u)鍏堢礆鏈夋晥杓稿叆杞�(zhu菐n)鎻涚偤 3 浣嶄簩閫插埗浠ｇ⒓杓稿嚭 (A2, A1, A0)銆傛澶�锛岄倓鎻愪緵浜嗕竴鍊嬮潪灏堢敤杓稿叆 (EI)锛屽厑瑷辩敤鎴跺暉鐢ㄦ垨绂佺敤鏁村�嬬法纰煎櫒銆傚叐鍊嬬媭鎱�(t脿i)杓稿嚭 GS锛堢祫閬搁�氾級鍜� EO锛堟摯灞曡几鍑猴級鍙互鐢ㄤ簬绱氳伅(li谩n)澶氱墖 SN74HC148DR 浠ユ摯灞曟洿澶氳几鍏ラ�氶亾銆�
閭忚集椤炲瀷锛氬劒(y艒u)鍏堢法纰煎櫒
銆�銆�杓稿叆鏁�(sh霉)閲忥細8
銆�銆�杓稿嚭鏁�(sh霉)閲忥細3
銆�銆�宸ヤ綔闆诲鑼冨湇(Vcc)锛�2 鑷� 6 V
銆�銆�鍌虫挱寤堕伈鏅傞枔(tPLH/tPHL)锛氭渶澶� 16 ns (鍏稿瀷鍊�)
銆�銆�闆绘簮闆绘祦(Icc)锛氭渶澶� 8 渭A (鍦� Vcc=5V 鏅�)
銆�銆�灏佽椤炲瀷锛欴 灏佽 (SOIC)
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
1. 楂橀�� CMOS 鎶�琛�(sh霉)锛屽偝鎾欢閬叉檪闁撶煭銆�
銆�銆�2. 浣庡姛鑰楄ō(sh猫)瑷堬紝閬╃敤浜庝究鏀滃紡瑷�(sh猫)鍌�銆�
銆�銆�3. 瀵伐浣滈浕澹撹寖鍦嶏紝鍏煎澶氱ó闆绘簮绯荤当(t菕ng)銆�
銆�銆�4. 鍏锋湁 EI锛堝暉鐢ㄨ几鍏ワ級銆丟S锛堢祫閬搁�氾級鍜� EO锛堟摯灞曡几鍑猴級锛屾敮鎸侀潏娲荤殑鎺у埗鍜岀礆鑱�(li谩n)鍔熻兘銆�
銆�銆�5. 杓稿叆淇濊闆昏矾锛岄槻姝㈠洜闈滈浕鏀鹃浕灏�(d菐o)鑷�?li谩n)p澹�銆�
銆�銆�6. 绗﹀悎 RoHS 妯欐簴锛岀挵(hu谩n)淇濈劇閴涘皝瑁�銆�
銆�銆�7. 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鏁�(sh霉)鎿�(j霉)铏曠悊銆侀�氫俊鎺ュ彛鍜屾帶鍒剁郴绲�(t菕ng)绛夐牁(l菒ng)鍩�銆�
1. 瑷堢畻姗熷瑷�(sh猫)鍙婃帴鍙ｉ浕璺�銆�
銆�銆�2. 澶氳矾淇¤櫉閬告搰鍜岃綁(zhu菐n)鎻�銆�
銆�銆�3. 鏁�(sh霉)瀛椾俊铏熻檿鐞嗙郴绲�(t菕ng)銆�
銆�銆�4. 閫氫俊瑷�(sh猫)鍌欎腑鐨勫湴鍧�瑙ｇ⒓銆�
銆�銆�5. 鑷嫊鍖栨帶鍒跺拰宸ユキ(y猫)瑷�(sh猫)鍌欎腑鐨勮几鍏ョ鐞�銆�
銆�銆�6. 鍙垏鍏朵粬閭忚集鍣ㄤ欢閰嶅悎浣跨敤锛屾(g貌u)寤哄京(f霉)闆滅殑鏁�(sh霉)瀛楅浕璺�銆�
銆�銆�7. 鍦ㄩ渶瑕侀珮鏁堣兘杓稿叆绶ㄧ⒓鐨勫牬鍚堜腑鐧�(f膩)鎻噸瑕佷綔鐢�銆�
SN74HCT148DR
銆�銆�74HC148
銆�銆�CD74HC148
IC鍨嬭櫉绱㈠紩锛� A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
©2025 缍韩闆诲瓙甯傚牬缍�(w菐ng)锛坵ww.dzsc.com锛夈��缍�(j墨ng)鐕熻ū鍙瓑绶ㄨ櫉锛�娴橞2-20050339 鐗堟瑠(qu谩n)鑱叉槑
鍗佸叚骞村皥娉ㄦ墦閫犲劒(y艒u)璩�(zh矛)闆诲瓙鍏冨櫒浠堕噰璩肩恫(w菐ng)銆両C浜ゆ槗骞宠嚭銆�
璨峰鏈嶅嫏(w霉)鐔辩窔锛�0571-85317666 | 璨峰鏈嶅嫏(w霉)閮≦Q锛�
璩ｅ鏈嶅嫏(w霉)鐔辩窔锛�0571-85317586 | 璩ｅ鏈嶅嫏(w霉)閮≦Q锛�
