鏅傞枔锛�2025/6/6 0:02:55
闁辫畝锛�12
SN74ALS253 鏄竴娆鹃洐 4 浣嶅璺京鐢ㄥ櫒/瑙ｅ京鐢ㄥ櫒锛屽爆浜� TI锛堝痉宸炲剙鍣級鐨� SN74ALS 绯诲垪銆傝┎绯诲垪閲囩敤鍏堥�茬殑 Schottky-clamped TTL 鎶�琛撳埗閫�锛岃兘澶犳彁渚涢珮鎬ц兘鍜屼綆鍔熻��銆係N74ALS253 鐨勮ō瑷堝厑瑷卞皣鍏╁�� 4 浣嶆暩(sh霉)鎿�(j霉)杓稿叆涔嬩竴閬告搰鎬у湴鍌抽仦鍒板柈涓�杓稿嚭绺界窔锛屾垨鍙嶄箣灏囪几鍏ユ暩(sh霉)鎿�(j霉)鍒嗛厤鍒板叐鍊嬭几鍑轰箣涓�銆�
銆�銆�閫欐鑺墖寤ｆ硾鎳夌敤浜庢暩(sh霉)瀛楅浕璺腑锛岀敤浜庝俊铏熻矾鐢�銆佹暩(sh霉)鎿�(j霉)閬告搰浠ュ強鍦板潃璀⒓绛夊姛鑳�銆�
閭忚集椤炲瀷锛氬璺京鐢ㄥ櫒/瑙ｅ京鐢ㄥ櫒
銆�銆�杓稿叆閫氶亾鏁�(sh霉)锛�2 (姣忛�氶亾 4 浣�)
銆�銆�杓稿嚭閫氶亾鏁�(sh霉)锛�1 (4 浣�)
銆�銆�闆绘簮闆诲(Vcc)锛�4.75V 鑷� 5.25V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛欴IP, SOIC
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氭渶澶� 18ns
銆�銆�杓稿叆闆绘祦锛毬�1mA
銆�銆�杓稿嚭闆绘祦锛�-8mA锛堜綆闆诲钩锛�锛�4mA锛堥珮闆诲钩锛�
SN74ALS253 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂橀�熼亱琛岃兘鍔�锛岄仼鍚堥渶瑕佸揩閫熷垏鎻涚殑鏁�(sh霉)瀛楃郴绲�(t菕ng)銆�
銆�銆�2. 閲囩敤 ALS 宸ヨ棟锛岀⒑淇濊純浣庣殑闈滄厠(t脿i)鍔熻�楀拰鏇撮珮鐨勬姉骞叉摼鑳藉姏銆�
銆�銆�3. 瀵伐浣滄韩搴﹁寖鍦�锛岄仼鐢ㄤ簬宸ユキ(y猫)鍙婅粛鐢ㄧ挵(hu谩n)澧�銆�
銆�銆�4. 鍏煎妯欐簴 TTL 鍜� CMOS 閭忚集闆诲钩锛屼究浜庤垏鍏朵粬鏁�(sh霉)瀛楀櫒浠堕泦鎴�銆�
銆�銆�5. 鎻愪緵澶氱ó灏佽褰㈠紡浠ラ仼鎳変笉鍚岀殑鎳夌敤闇�姹傘��
銆�銆�6. 鑳藉鍦ㄦ儭鍔ｇ挵(hu谩n)澧冧腑淇濇寔绌�(w臎n)瀹氱殑鎬ц兘锛屽楂樻韩鎴栦綆婧浠朵笅鐨勬甯搁亱琛�銆�
銆�銆�7. 鏀寔鍠浕婧愪緵闆伙紝绨″寲浜嗛浕璺ō瑷堝苟闄嶄綆浜嗘垚鏈�銆�
SN74ALS253 甯哥敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 鏁�(sh霉)鎿�(j霉)閫氫俊涓殑淇¤櫉璺敱鑸囨帶鍒�銆�
銆�銆�2. 瑷堢畻姗熷鍦嶈ō鍌�锛屽鎵撳嵃姗熸帴鍙ｅ拰瀛樺劜鎺у埗鍣�銆�
銆�銆�3. 鏁�(sh霉)瀛椾俊铏熻檿鐞嗙郴绲�(t菕ng)涓殑澶氳矾寰╃敤銆�
銆�銆�4. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勬暩(sh霉)鎿�(j霉)閬告搰鑸囧垎鐧�(f膩)銆�
銆�銆�5. 娓│娓噺鍎�鍣ㄤ腑鐢ㄤ簬澶氶�氶亾淇¤櫉閲囬泦銆�
銆�銆�6. 瑕栭牷鍜岄煶闋诲垏鎻涘櫒锛屽鐝�(xi脿n)涓嶅悓淇¤櫉婧愮殑閬告搰鍔熻兘銆�
銆�銆�7. 浠讳綍闇�瑕侀潏娲讳俊铏熻矾寰戠鐞嗙殑鎳夌敤鍫存櫙銆�
SN74AS253, SN74LS253, SN74HC253
