SN74ABTH245 鏅傞枔锛�2025/4/28 11:55:59 闁辫畝锛�31

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�銆傝┎鍣ㄤ欢鍏锋湁浣庡姛鑰楀拰楂橀枊闂�(gu膩n)閫熷害鐨勭壒榛�(di菐n)锛岄仼鐢ㄤ簬鏁�(sh霉)鎿�(j霉)绶╂矕鍜岀附绶氶殧闆㈡噳(y墨ng)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(sh猫)鍌欑殑涓夋厠(t脿i)妯″紡銆傜暥(d膩ng) OE 琚鐢ㄦ檪锛屾墍鏈夎几鍑哄潎铏曚簬楂橀樆鎶�?f脿n)椤烞(t脿i)锛屽緸鑰屽(sh铆)鐝�(xi脿n)鏈夋晥鐨勭附绶氱鐞�銆�

鍙冩暩(sh霉)

閭忚集椤炲瀷锛氶洐鍚戠附绶氭敹鐧�(f膩)鍣�
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

鐗规€�

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(d谩) 100MHz 鐨勯牷鐜囦笅閬�(y霉n)琛�锛岄仼鍚堢従(xi脿n)浠ｉ珮閫熺郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)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(qi谩ng)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�(f霉)鐢ㄥ櫒鎴栨暩(sh霉)鎿�(j霉)绺界窔鎺ュ彛銆�
銆€銆€4. 瀵浕澹撹寖鍦嶏細鍏煎 2V 鑷� 6V 鐨勯浕婧愰浕澹�锛岄仼鎳�(y墨ng)澶氱ó渚涢浕鐠�(hu谩n)澧冦€�
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�(h霉)銆�
銆€銆€ - 鍣ㄤ欢閲囩敤 CMOS 鎶€琛�(sh霉)锛岄檷浣庝簡闆荤骞叉摼鐨勫彲鑳芥€�銆�
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�(y墨ng)鐢ㄥ牬鏅渶姹�銆�
銆€銆€7. ESD 淇濊(h霉)锛氱鍚� JESD22 妯�(bi膩o)婧�(zh菙n)锛屾彁楂橀潨闆绘斁闆昏€愬彈鑳藉姏銆�

鎳�(y墨ng)鐢�

SN74ABTH245 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó闇€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(sh猫)鍌欎箣闁撶殑鏁�(sh霉)鎿�(j霉)浜ゆ彌銆�
銆€銆€2. 鍏�(n猫i)瀛樻摯(ku貌)灞曞拰澶氫换鍕�(w霉)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€銆€4. 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁恫(w菐ng)绲�(lu貌)銆�
銆€銆€5. 瑷�(j矛)绠楁(j墨)涓绘澘瑷�(sh猫)瑷�(j矛)涓殑绺界窔绠＄悊鍜屾暩(sh霉)鎿�(j霉)璺敱銆�
銆€銆€6. 閱�(y墨)鐧傞浕瀛愯ō(sh猫)鍌欎腑鐨勪俊铏熻檿鐞嗘ā濉娿€�
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�(j矛)绠楀拰瀵�(sh铆)鏅傛帶鍒剁郴绲�(t菕ng)涓殑鐞嗘兂閬告搰銆�