鏅傞枔锛�2025/5/12 15:38:49
闁辫畝锛�19
SN74LS245DWR 鏄竴绋�8浣嶇附绶氭敹鐧�(f膩)鍣�锛屽爆浜嶵I锛堝痉宸炲剙鍣級鐨�74绯诲垪閭忚集鍣ㄤ欢涓殑LS浜炵郴鍒�銆傝┎鑺墖鏀寔闆欏悜鏁�(sh霉)鎿�(j霉)鍌宠几锛岄�氶亷鏂瑰悜鎺у埗寮曡叧渚嗛伕鎿囨暩(sh霉)鎿�(j霉)鍌宠几?sh霉)濮嗚緝?銆傚叾涓昏鐢ㄩ�旀槸鐢ㄤ簬鎿村睍鎴栭殧闆㈡暩(sh霉)鎿�(j霉)绺界窔锛屽唬娉涙噳鐢ㄤ簬瑷堢畻姗熺郴绲�(t菕ng)銆侀�氫俊瑷倷鍜屽伐妤�(y猫)鎺у埗绯荤当(t菕ng)绛夊牬鏅�銆�
銆�銆�瑭茶姱鐗囬噰鐢�16寮曡叧灏佽褰㈠紡锛屽叿楂旂偤DIP鎴朣OIC灏佽锛岃兘澶犲湪寤ｆ硾鐨勭挵(hu谩n)澧冩韩搴﹁寖鍦嶅収(n猫i)宸ヤ綔锛岄仼鐢ㄤ簬灏嶉�熷害鍜屽姛鑰楄姹傝純楂樼殑鎳夌敤銆�
閭忚集椤炲瀷锛氶洐鍚戠附绶氭敹鐧�(f膩)鍣�
銆�銆�閫氶亾鏁�(sh霉)閲忥細8
銆�銆�闆绘簮闆诲(VCC)锛�4.75V 鑷� 5.25V
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氭渶澶�20ns
銆�銆�杓稿叆闆绘祦(IIH/ILH)锛毬�40uA
銆�銆�杓稿嚭闆绘祦(IOH/IOL)锛毬�8mA
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�灏佽褰㈠紡锛欴IP/SOIC
SN74LS245DWR 鐨勬牳蹇冪壒鎬у寘鎷互涓嬪咕榛烇細
銆�銆�1. 鏀寔闆欏悜鏁�(sh霉)鎿�(j霉)鍌宠几锛岃兘澶犳牴鎿�(j霉)鏂瑰悜鎺у埗寮曡叧鐨勭媭鎱�(t脿i)闈堟椿鍒囨彌鍌宠几鏂瑰悜銆�
銆�銆�2. 楂橀�熸�ц兘锛屽偝鎾欢閬叉檪闁撲綆鑷�20ns锛岀⒑?锛熺剸淇氳噭?sh霉)鎿�(j霉)浜ゆ彌銆�
銆�銆�3. 鍏�(n猫i)缃笁鎱�(t脿i)杓稿嚭鍔熻兘锛屽厑瑷卞璺俊铏熷叡鐢ㄥ悓涓�绺界窔锛屾笡灏戠窔璺矕绐�銆�
銆�銆�4. 鍏峰倷杓冨挤鐨勬姉鍣兘鍔�锛岄仼鍚堝京闆滅殑闆荤鐠�(hu谩n)澧�銆�
銆�銆�5. 宸ヤ綔婧害鑼冨湇瀵唬锛岄仼鎳夊悇绋儭鍔ｆ浠朵笅鐨勪娇鐢ㄩ渶姹傘��
銆�銆�6. 灏佽灏忓阀锛屾槗浜庨泦鎴愬埌绶婃箠鍨嬭ō瑷堜腑銆�
SN74LS245DWR 鍦ㄥ绋浕瀛愮郴绲�(t菕ng)涓湁钁楀唬娉涙噳鐢紝涓昏鍖呮嫭锛�
銆�銆�1. 瑷堢畻姗熶富鏉夸笂鐨勬暩(sh霉)鎿�(j霉)绺界窔鎿村睍鍜岄殧闆�銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊鍖栨帶鍒朵腑鐨勪俊铏熷偝杓歌垏杞�(zhu菐n)鎻�銆�
銆�銆�3. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鐨勫璺京鐢�銆�
銆�銆�4. 娓│瑷倷涓殑楂橀�熸暩(sh霉)鎿�(j霉)鍌宠几妯″銆�
銆�銆�5. 宓屽叆寮忕郴绲�(t菕ng)涓殑澶栬ō鎺ュ彛鎿村睍銆�
銆�銆�6. 閫氫俊瑷倷涓殑鏁�(sh霉)鎿�(j霉)绶╂矕鑸囬殧闆�銆�
銆�銆�鐢变簬鍏堕珮鎬ц兘鍜屽彲闈犳�э紝SN74LS245DWR 鎴愮偤浜嗚ū澶氬伐绋嬪斧鍦ㄨō瑷堝京闆滄暩(sh霉)瀛楅浕璺檪鐨勯閬稿厓鍣ㄤ欢銆�
SN74ALS245N
銆�銆�SN74F245N
銆�銆�CD74HC245
