閭忚集椤炲瀷锛�3-绶氳嚦8-绶氳��纰煎櫒/瑙ｇ⒓鍣�
銆�銆�闆绘簮闆诲�擄紙VCC锛夛細2 V 鑷� 6 V
銆�銆�宸ヤ綔婧�搴﹁寖鍦嶏��-40掳C 鑷� +85掳C
銆�銆�杓稿叆闆绘祦锛圛IH/IIL锛夛細卤1 渭A锛堝吀鍨嬪�硷級
銆�銆�杓稿嚭闆绘祦锛圛OH/IOL锛夛細-4 mA / 8 mA
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈�澶� 18 ns (VCC = 4.5 V 鑷� 5.5 V)
銆�銆�灏佽�濆舰寮忥細TSSOP (钖勫瀷灏忓�栧舰灏佽��)
銆�銆�閫氶亾鏁�(sh霉)锛�

SN74HC238DTR 鍏锋湁浠ヤ笅涓昏�佺壒鎬э細
銆�銆�1. 鏀�鎸佷綆鍔熻�� HCMOS 宸ヨ棟锛岄潨鎱�(t脿i)闆绘祦妤典綆銆�
銆�銆�2. 楂樺櫔鑱插�归檺锛岀⒑淇濆湪寰�(f霉)闆滈浕纾佺挵(hu谩n)澧冧腑绌�(w臎n)瀹氶亱(y霉n)琛�銆�
銆�銆�3. 鎻愪緵涓夋厠(t脿i)杓稿嚭鍔熻兘锛屼究浜庤垏鍏朵粬闆昏矾闆嗘垚銆�
銆�銆�4. 杓稿叆鍏煎�� TTL 鍜� CMOS 闆诲钩锛屽�炲��(qi谩ng)浜嗚垏鍚勭ó绯荤当(t菕ng)鐨勫吋瀹规��銆�
銆�銆�5. 鏀�鎸侀洐妤垫�у拰浜掕��(b菙)杓稿嚭妯″紡锛岀啊鍖栦簡澶栧湇瑷�(sh猫)瑷�(j矛)銆�
銆�銆�6. 灏佽�濈穵婀婏紝閬╁悎绌洪枔鍙楅檺鐨勬��(y墨ng)鐢ㄥ牬鏅�銆�
銆�銆�7. 杓稿嚭璨�(f霉)杓夎兘鍔涜純寮�(qi谩ng)锛屽彲鐩存帴椹�(q奴)鍕�(d貌ng) LED 鎴栧叾浠栧皬鍨嬭矤(f霉)杓夎ō(sh猫)鍌�銆�

SN74HC238DTR 鍙�鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鍦板潃璀�纰煎��锛岀敤浜庡皣鍦板潃绺界窔涓婄殑淇¤櫉杞�(zhu菐n)鍖栫偤鐗瑰畾瀛樺劜鍣ㄦ垨澶栬ō(sh猫)鐨勯伕鎿囦俊铏熴��
銆�銆�2. 鏁�(sh霉)鎿�(j霉)鍒嗛厤鍣�锛屽皣鍠�涓�杓稿叆鏁�(sh霉)鎿�(j霉)璺�鐢卞埌澶氬��(g猫)鐩�妯�(bi膩o)閫氶亾銆�
銆�銆�3. 澶氳矾寰�(f霉)鐢ㄨ垏瑙ｅ京(f霉)鐢ㄧ郴绲�(t菕ng)涓�鐨勪俊铏熼伕鎿囪垏鍒囨彌銆�
銆�銆�4. 鍚勭ó宸ユキ(y猫)鎺у埗瑷�(sh猫)鍌欎腑鐨勭法纰煎拰瑙ｇ⒓鎿嶄綔銆�
銆�銆�5. 宓屽叆寮忕郴绲�(t菕ng)涓�浣滅偤鎿�(ku貌)灞� I/O 鐨勬帶鍒跺櫒銆�
銆�銆�6. 鏁�(sh霉)瀛椾俊铏熻檿鐞�銆侀�氫俊鎺ュ彛绛夊皪蹇�閫熷垏鎻涘拰浣庡欢閬叉湁杓冮珮瑕佹眰鐨勫牬鏅�銆�

SN74HCT238N, MC14553B, 74HC238