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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩肩恫(w菐ng) > IC鐧剧 > CD74HC4020

CD74HC4020 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/12 20:40:11 鏌ョ湅 闁辫畝锛�22

CD74HC4020 鏄竴绋�14浣嶄簩閫�(j矛n)鍒秗ipple瑷堟暩(sh霉)鍣�锛屽爆浜�74HC绯诲垪鐨勯珮閫烠MOS鍣ㄤ欢銆傝┎鑺墖鑳藉鎻愪緵楂橀仈(d谩)7MHz鐨勫伐浣滈牷鐜囷紙鍦╒cc=6V鏅傦級锛屽叿鏈変綆鍔熻�楀拰楂樺櫔鑱插闄愮殑鐗归粸锛岄潪甯搁仼鍚堝悇绋暩(sh霉)瀛楅倧杓浕璺腑鐨勮▓鏁�(sh霉)銆佸垎闋荤瓑鎳�(y墨ng)鐢ㄣ�傚叾鍏�(n猫i)閮ㄧ敱澶氬�嬭Ц鐧�(f膩)鍣ㄧ祫鎴�锛岄噰鐢ㄥ悓姝ユ竻闆跺姛鑳�锛屽苟涓斿叿鍌欑礆鑱�(li谩n)鑳藉姏浠ユ摯(ku貌)灞曟洿澶氱殑浣嶆暩(sh霉)銆�
銆�銆�CD74HC4020 鐨勫伐浣滈浕澹撹寖鍦嶈純瀵�锛岄�氬父鐐�2V鑷�6V锛岃兘澶犲湪鍚勭ó渚涢浕姊濅欢涓嬬┅(w臎n)瀹氶亱琛�銆�

鍙冩暩(sh霉)

宸ヤ綔闆诲锛�2V~6V
銆�銆�鍌虫挱寤堕伈鏅傞枔锛�35ns锛堝吀鍨嬪��锛屽湪Vcc=5V涓嬶級
銆�銆�鏈�澶ц▓鏁�(sh霉)鍊硷細2^14=16384
銆�銆�闈滄厠(t脿i)闆绘祦锛�1渭A锛堟渶澶у��锛屽湪Vcc=4.5V涓嬶級
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈+85鈩�
銆�銆�灏佽褰㈠紡锛欴IP16/SOIC16

鐗规��

CD74HC4020 鑺墖鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 14浣嶄簩閫�(j矛n)鍒惰▓鏁�(sh霉)鍔熻兘锛屽彲鐩存帴鐢ㄤ簬鍒嗛牷鍜岃▓鏁�(sh霉)鎿嶄綔銆�
銆�銆�2. 鍏�(n猫i)缃悓姝ユ竻闆惰几鍏ョ锛屾柟渚垮揩閫熷京(f霉)浣嶆墍鏈夎几鍑哄埌0鐙�鎱�(t脿i)銆�
銆�銆�3. 鍏锋湁绱氳伅(li谩n)鍔熻兘锛岄�氶亷灏囨湰鑺墖鐨勮几鍑洪�ｆ帴鍒颁笅涓�鍊嬭姱鐗囩殑杓稿叆锛屽彲浠ュ鐝�(xi脿n)鏇撮暦浣嶆暩(sh霉)鐨勮▓鏁�(sh霉)銆�
銆�銆�4. CMOS宸ヨ棟鍒堕�狅紝淇濊瓑浜嗕綆鍔熻�楀拰楂樻姉骞叉摼鑳藉姏銆�
銆�銆�5. 寤ｆ硾鐨勫伐浣滈浕澹撹寖鍦�锛岄仼鎳�(y墨ng)鎬у挤(qi谩ng)锛岄仼鐢ㄤ簬澶氱ó闆诲瓙瑷�(sh猫)鍌欎腑銆�
銆�銆�6. 楂橀�熸�ц兘锛岄仼鍚堣姹傝純蹇熆鎳�(y墨ng)閫熷害鐨勬噳(y墨ng)鐢ㄥ牬鏅�銆�

鎳�(y墨ng)鐢�

CD74HC4020 鍦ㄨū澶氶牁(l菒ng)鍩熸湁钁楀唬娉涚殑鎳�(y墨ng)鐢細
銆�銆�1. 鏁�(sh霉)瀛楅浕璺ō(sh猫)瑷堜腑鐨勫垎闋诲櫒鍜岃▓鏁�(sh霉)鍣�銆�
銆�銆�2. 鐢ㄤ簬鑴堟矕淇¤櫉铏曠悊锛屽灏嶅偝鎰熷櫒杓稿嚭淇¤櫉閫�(j矛n)琛岃▓鏁�(sh霉)鎴栧垎闋�銆�
銆�銆�3. 浣滅偤鏅傞悩闆昏矾鐨勪竴閮ㄥ垎锛岀敤浜庣敓鎴愪笉鍚岄牷鐜囩殑鏅傞悩淇¤櫉銆�
銆�銆�4. 鍦ㄩ煶闋诲拰瑕栭牷鍚屾闆昏矾涓敤浣滃垎闋诲櫒锛岀⒑淇濅俊铏熺殑绮剧⒑鍚屾銆�
銆�銆�5. 鎳�(y墨ng)鐢ㄤ簬宸ユキ(y猫)鎺у埗銆佸鐢ㄩ浕鍣ㄥ強閫氫俊瑷�(sh猫)鍌欑瓑闋�(l菒ng)鍩熶腑鐨勫畾鏅傚拰瑷堟暩(sh霉)鍔熻兘妯″銆�

鏇夸唬鍨嬭櫉

74HCT4020, SN74HC4020

cd74hc4020鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉
  • 瑭㈠児

cd74hc4020璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級