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銆�銆�杓稿叆闆绘祦锛毬�1渭A锛堟渶澶у�硷級
銆�銆�杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛毬�4mA锛堟渶灏忓�硷級
銆�銆�灏佽�濋�炲瀷锛歋OIC-16, PDIP-16

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銆�銆�瑭茶姱鐗囬噰鐢–MOS鎶�琛�(sh霉)鍒堕��锛岀⒑淇濅簡浣庡姛鑰楃壒鎬�锛屽苟涓旀敮鎸佹洿楂樼殑闁嬮棞(gu膩n)閫熷害銆傚畠鐨勮几鍏ヤ繚璀�(h霉)瑷�(sh猫)瑷�(j矛)浣垮叾鑳藉�犲湪瓒呴亷瑕�(gu墨)瀹氶浕澹撶殑鎯呮硜涓嬩粛淇濇寔姝ｅ父宸ヤ綔銆傛�ゅ��锛孲N74HC138A鐨勯珮鍙�闈犳�т娇寰楀畠鍦ㄥ伐妤�(y猫)鎳�(y墨ng)鐢ㄥ拰娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑閮借〃鐝�(xi脿n)鍎�(y艒u)鐣�銆�
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SN74HC138A閬╃敤浜庡�氱ó鏁�(sh霉)瀛楅浕璺�鍫�(ch菐ng)鍚�锛屽寘鎷�浣嗕笉闄愪簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鍦板潃璀�纰硷細鍦ㄥ井铏曠悊鍣ㄧ郴绲�(t菕ng)涓�锛岀敤浣滃瓨鍎�(ch菙)鍣ㄦ垨I/O绔�鍙ｇ殑閬告搰銆�
銆�銆�2. 鎺у埗淇¤櫉(h脿o)鍒嗛厤锛氬皣鍠�涓�杓稿叆淇¤櫉(h脿o)鍒嗛厤鍒板�氬��(g猫)鐩�妯�(bi膩o)銆�
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銆�銆�4. 宸ユキ(y猫)鑷�鍕�(d貌ng)鍖栵細鐢ㄤ簬澶氳矾寰�(f霉)鐢ㄥ櫒鍜岃В寰�(f霉)鐢ㄥ櫒鐨勮ō(sh猫)瑷�(j矛)銆�
銆�銆�5. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊細濡傞’绀哄櫒椹�(q奴)鍕�(d貌ng)銆侀嵉鐩ゆ巸鎻忕煩闄ｇ瓑銆�
銆�銆�鐢变簬鍏堕珮鎬ц兘鍜屽唬娉涚殑宸ヤ綔闆诲�撹寖鍦嶏紝SN74HC138A骞句箮鍙�浠ユ豢瓒充换浣曢渶瑕佸�氳矾淇¤��(h脿o)铏曠悊鐨勫牬(ch菐ng)鍚�銆�

SN74HCT138A, MC14028B, HEF4028B