鏅傞枔锛�2025/4/28 11:55:59
闁辫畝锛�33
SN74ABTH245 鏄竴绋珮閫� CMOS 8 浣嶉洐鍚戠附绶氭敹鐧�(f膩)鍣�锛屽爆浜� Texas Instruments 鐨� ABT锛圓dvanced BiCMOS Technology锛夌郴鍒椼�傝┎鍣ㄤ欢鍏锋湁浣庡姛鑰楀拰楂橀枊闂滈�熷害鐨勭壒榛�锛岄仼鐢ㄤ簬鏁�(sh霉)鎿�(j霉)绶╂矕鍜岀附绶氶殧闆㈡噳鐢�銆傚叾鏂瑰悜鎺у埗鍏佽ū鏁�(sh霉)鎿�(j霉)寰� A 鍒� B 鎴栧緸 B 鍒� A 鍌宠几銆�
銆�銆�瑭茶姱鐗囬�氶亷 DIR 寮曡叧閬告搰鏁�(sh霉)鎿�(j霉)鍌宠几鏂瑰悜锛屽苟閫氶亷 OE锛堣几鍑轰娇鑳斤級寮曡叧鍟熺敤鎴栫鐢ㄨō鍌欑殑涓夋厠(t脿i)妯″紡銆傜暥 OE 琚鐢ㄦ檪锛屾墍鏈夎几鍑哄潎铏曚簬楂橀樆鎶楃媭鎱�(t脿i)锛屽緸鑰屽鐝�(xi脿n)鏈夋晥鐨勭附绶氱鐞嗐��
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銆�銆�浣嶆暩(sh霉)锛�8 浣�
銆�銆�闆绘簮闆诲(VCC)锛�2V 鑷� 6V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�鍌虫挱寤堕伈鏅傞枔锛歵pd = 3.1ns锛堝吀鍨嬪��锛屽湪 VCC=5V 涓嬶級
銆�銆�杓稿叆闆绘祦锛毬�20mA
銆�銆�灏佽椤炲瀷锛�44-Pin PLCC銆�44-Pin TQFP
SN74ABTH245 鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 楂橀�熸�ц兘锛氳兘澶犲湪楂橀仈 100MHz 鐨勯牷鐜囦笅閬嬭锛岄仼鍚堢従(xi脿n)浠ｉ珮閫熺郴绲�(t菕ng)瑷▓銆�
銆�銆�2. 闆欏悜鏁�(sh霉)鎿�(j霉)鍌宠几锛氭敮鎸佸叐鍊嬫柟鍚戠殑鏁�(sh霉)鎿�(j霉)娴佸嫊锛岄潏娲绘�у挤銆�
銆�銆�3. 涓夋厠(t脿i)杓稿嚭锛歄E 寮曡叧鎻愪緵灏嶆墍鏈夎几鍑虹殑涓夋厠(t脿i)鎺у埗锛屾柟渚胯垏澶氳矾寰╃敤鍣ㄦ垨鏁�(sh霉)鎿�(j霉)绺界窔鎺ュ彛銆�
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銆�銆�5. 楂樻姉鎿惧害鍜屼綆鍣伈锛�
銆�銆� - 杓稿叆绠濅綅浜屾サ绠＄⒑淇濋浕姘ｄ繚璀�銆�
銆�銆� - 鍣ㄤ欢閲囩敤 CMOS 鎶�琛�锛岄檷浣庝簡闆荤骞叉摼鐨勫彲鑳芥�с��
銆�銆�6. 鍟嗘キ(y猫)绱氬拰宸ユキ(y猫)绱氱増鏈細鏀寔鏇村鐨勫伐浣滄韩搴﹁寖鍦嶄互婊胯冻涓嶅悓鎳夌敤鍫存櫙闇�姹�銆�
銆�銆�7. ESD 淇濊锛氱鍚� JESD22 妯欐簴锛屾彁楂橀潨闆绘斁闆昏�愬彈鑳藉姏銆�
SN74ABTH245 寤ｆ硾鎳夌敤浜庡悇绋渶瑕侀洐鍚戞暩(sh霉)鎿�(j霉)鍌宠几?sh霉)鑶遍紞鐖告牎顑涱惐绾�?br>銆�銆�1. 寰檿鐞嗗櫒鍜屽鍦嶈ō鍌欎箣闁撶殑鏁�(sh霉)鎿�(j霉)浜ゆ彌銆�
銆�銆�2. 鍏у瓨鎿村睍鍜屽浠诲嫏铏曠悊绯荤当(t菕ng)涓殑鏁�(sh霉)鎿�(j霉)绶╂矕銆�
銆�銆�3. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鍜岄�氫俊鎺ュ彛鐨勪俊铏熼殧闆���
銆�銆�4. 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁恫绲�銆�
銆�銆�5. 瑷堢畻姗熶富鏉胯ō瑷堜腑鐨勭附绶氱鐞嗗拰鏁�(sh霉)鎿�(j霉)璺敱銆�
銆�銆�6. 閱�(y墨)鐧傞浕瀛愯ō鍌欎腑鐨勪俊铏熻檿鐞嗘ā濉�銆�
銆�銆�鍏堕洐鍚戠壒鎬у拰浣庡欢閬蹭娇寰楀畠鎴愮偤楂樻�ц兘瑷堢畻鍜屽鏅傛帶鍒剁郴绲�(t菕ng)涓殑鐞嗘兂閬告搰銆�
SN74LVC245A, SN74AHCT245, SN74ALVC245A
