74HCT125D鐨勫熀鏈�绲�(ji茅)妲�(g貌u)鍖呮嫭鍥涘�嬬崹绔嬬殑涓夋厠(t脿i)绶╂矕鍣�锛屾瘡鍊嬬珐娌栧櫒鐢辫几鍏ョ��銆佽几鍑虹��鍜屾帶鍒剁��绲勬垚銆傝几鍏ョ��鎺ユ敹閭忚集闆诲钩淇¤櫉锛岃几鍑虹��杓稿嚭缍�(j墨ng)閬庣珐娌栧櫒铏曠悊鍚庣殑閭忚集淇¤櫉锛屾帶鍒剁��鐢ㄤ簬鎺у埗绶╂矕鍣ㄧ殑涓夋厠(t脿i)鐙�鎱�(t脿i)銆�
瑭插櫒浠堕噰鐢–MOS鎶�琛�(sh霉)鍒堕��锛屽叿鏈夐珮閫�銆佷綆鍔熻�楀拰瀵�宸ヤ綔闆诲�撹寖鍦嶇瓑鍎�(y艒u)榛�銆傚畠鐨勮几鍏ラ浕澹撹寖鍦嶆槸寰濭ND-0.5V鍒癡CC+0.5V锛屽伐浣滈浕澹撹寖鍦嶆槸2V鑷�6V銆傝几鍑洪浕娴佽兘鍔涜純寮�(qi谩ng)锛屽厑瑷遍﹨(q奴)鍕�15鍊嬫��(bi膩o)婧�(zh菙n)TTL璨�(f霉)杓�銆傛�ゅ��锛�74HCT125D閭勫叿鏈夋姉闈滈浕鏀鹃浕鍜屾姉杓诲皠骞叉摼鐨勮兘鍔�銆�
瑭插櫒浠堕仼鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅浕璺�涓�鐨勪俊铏熸斁澶�銆佸偝杓稿拰绶╂矕绛夋噳(y墨ng)鐢�銆傚畠鍙�浠ヨ垏鍏朵粬閭忚集鍣ㄤ欢闆嗘垚锛屽�︾従(xi脿n)鏁�(sh霉)鎿�(j霉)鐨勫揩閫熷偝杓稿拰铏曠悊銆傚湪鏁�(sh霉)瀛楃郴绲�(t菕ng)瑷�(sh猫)瑷堜腑锛�74HCT125D鍙�鐢ㄤ簬妲�(g貌u)寤哄�氳矾閬告搰鍣�銆佹暩(sh霉)鎿�(j霉)绶╁瓨鍣ㄣ�佺附绶氶﹨(q奴)鍕曞櫒绛夐浕璺�銆�

74HCT125D鐨勫伐浣滃師鐞嗘槸鍩轰簬CMOS閭忚集闆昏矾銆傚畠鐢卞洓鍊嬬崹绔嬬殑涓夋厠(t脿i)绶╂矕鍣ㄧ祫鎴�锛屾瘡鍊嬬珐娌栧櫒閮芥湁涓�鍊嬭几鍏ュ紩鑵冲拰涓�鍊嬭几鍑哄紩鑵炽�傜暥(d膩ng)杓稿叆寮曡叧鎺ユ敹鍒伴倧杓�楂橀浕骞虫��锛屽皪鎳�(y墨ng)鐨勮几鍑哄紩鑵冲皣杓稿嚭楂橀浕骞充俊铏�锛涚暥(d膩ng)杓稿叆寮曡叧鎺ユ敹鍒伴倧杓�浣庨浕骞虫��锛屽皪鎳�(y墨ng)鐨勮几鍑哄紩鑵冲皣杓稿嚭浣庨浕骞充俊铏�銆傜暥(d膩ng)杓稿叆寮曡叧铏曚簬楂橀樆鎱�(t脿i)鏅�锛屽皪鎳�(y墨ng)鐨勮几鍑哄紩鑵冲皣铏曚簬楂橀樆鎱�(t脿i)锛屼笉灏嶅�栭儴闆昏矾鐢�(ch菐n)鐢熷奖闊�銆�

杓稿叆闆诲�擄��2 V鑷�6 V
銆�銆�杓稿嚭闆诲�擄��0 V鑷砎CC
銆�銆�杓稿叆闆绘祦锛毬�20 mA
銆�銆�杓稿嚭闆绘祦锛毬�25 mA
銆�銆�宸ヤ綔婧�搴﹁寖鍦嶏��-40鈩冭嚦+125鈩�
銆�銆�灏佽�濋�炲瀷锛歋OIC-14

1銆侀珮閫熸搷浣滐細74HCT125D閲囩敤HCT鎶�琛�(sh霉)锛屽叿鏈夐珮閫熸搷浣滅殑鐗归粸锛岄仼鐢ㄤ簬楂橀牷鐜囨噳(y墨ng)鐢�銆�
銆�銆�2銆佷綆鍔熻�楋細瑭插櫒浠剁殑鍔熻�楄純浣�锛屽彲绡�(ji茅)绱勮兘婧愩��
銆�銆�3銆佸��宸ヤ綔闆诲�撹寖鍦嶏��74HCT125D鐨勫伐浣滈浕澹撹寖鍦嶅唬锛岄仼鐢ㄤ簬涓嶅悓鐨勯浕婧愰浕澹撹�佹��銆�
銆�銆�4銆佷笁鎱�(t脿i)杓稿嚭锛氳┎鍣ㄤ欢鍏锋湁涓夋厠(t脿i)杓稿嚭鍔熻兘锛屽彲浠ユ湁鏁堝湴鎺у埗杓稿嚭淇¤櫉鐨勭媭鎱�(t脿i)銆�
銆�銆�5銆丒SD淇濊��(h霉)锛氳┎鍣ㄤ欢鍏锋湁闈滈浕鏀鹃浕锛圗SD锛変繚璀�(h霉)鍔熻兘锛屽彲淇濊��(h霉)闆昏矾鍏嶅彈闈滈浕骞叉摼銆�

74HCT125D鍦ㄦ暩(sh霉)瀛楅浕璺�涓�鏈夊唬娉涚殑鎳�(y墨ng)鐢ㄣ�傚畠鍙�浠ョ敤浣滀俊铏熺珐娌栧櫒鍜岄��(q奴)鍕曞櫒锛屽皣杓稿叆淇¤櫉閫�(j矛n)琛屾斁澶у拰椹�(q奴)鍕�锛屽苟杓稿嚭鍒板叾浠栭倧杓�鑺�鐗�銆侀’绀哄櫒銆佸瓨鍎插櫒绛夊�栭儴闆昏矾涓�銆傜敱浜庡畠鍏锋湁涓夋厠(t脿i)杓稿嚭鍔熻兘锛屽彲浠ュ�︾��(xi脿n)澶氬�嬭姱鐗囩殑涓茶伅(li谩n)閫ｆ帴锛屽洜姝ゅ父鐢ㄤ簬绺界窔绯荤当(t菕ng)鍜屽�氳矾閬告搰鍣ㄤ��銆傛�ゅ��锛�74HCT125D閭勫彲浠ョ敤浜庨浕骞宠綁(zhu菐n)鎻�銆佷俊铏熼殧闆㈠拰淇¤櫉鏀惧ぇ绛夋噳(y墨ng)鐢ㄥ牬鍚堛��

74HCT125D鏄�涓�娆惧洓璺�涓夋��(t脿i)绶╂矕鍣�锛屽父鐢ㄤ簬鏁�(sh霉)瀛楅浕璺�鐨勮几鍏ュ拰杓稿嚭绶╂��銆備互涓嬫槸74HCT125D鐨勫畨瑁濊�侀粸锛�
銆�銆�1銆佺⒑淇濆湪瀹夎�濅箣鍓嶅厛鍒囨柗闆绘��锛屼互閬垮厤闆昏矾鐭�璺�鍜屾悕澹�銆�
銆�銆�2銆佹�㈡��74HCT125D鐨勫紩鑵冲竷灞�鍜屽櫒浠舵��(bi膩o)瑷�銆傜⒑淇濇�ｇ⒑璀樺垾寮曡叧鍔熻兘鍜屾柟鍚戙��
銆�銆�3銆佹簴(zh菙n)鍌欎竴鍊嬮仼鐣�(d膩ng)?sh霉)纰惧◥閽掑�よ櫩閬勯秲鎴嗘儹b74HCT125D銆傜⒑淇濋浕璺�鏉挎垨鎻掑骇鐨勮��(zh矛)閲忓拰灏哄�搁仼鍚�銆�
銆�銆�4銆佸皣74HCT125D鎻掑叆闆昏矾鏉挎垨鎻掑骇涓�銆傜⒑淇濇彃鍏ユ檪寮曡叧鑸囨彃搴у瓟灏嶉綂锛屽苟鐢ㄩ仼鐣�(d膩ng)?sh霉)鐗�伪鏋痯杓曟帹鍏�銆�
銆�銆�5銆佺⒑淇濆櫒浠舵彃鍏ョ墷鍥猴紝鐒℃澗鍕曠従(xi脿n)璞�銆傚彲浠ヨ紩杓曟悥鍕曞櫒浠朵締妾㈡煡鏄�鍚︾墷鍥�銆�
銆�銆�6銆佸�傛灉浣跨敤闆昏矾鏉�锛屼娇鐢ㄧ剨閷�灏�74HCT125D鐨勫紩鑵宠垏闆昏矾鏉跨剨鎺ラ�ｆ帴銆傜⒑淇濈剨鎺ヨ唱(zh矛)閲忚壇濂�锛岀劇鍐风剨鎴栫煭璺�銆�
銆�銆�7銆佹�㈡煡鎵�鏈夐�ｆ帴锛岀⒑淇濇矑鏈夊皫(d菐o)绶氭帴瑙稿埌閷�瑾ょ殑寮曡��銆備娇鐢ㄨ惉鐢ㄨ〃鎴栨脯瑭﹀剙鍣ㄩ��(j矛n)琛岄�ｉ�氭�ф脯瑭︼紝纰轰繚娌掓湁閷�瑾ら�ｆ帴銆�
銆�銆�8銆佸�傛灉瀹夎�濆�氬��74HCT125D鎴栧叾浠栧櫒浠�锛岃珛纰轰繚瀹冨�戜箣闁撶殑闁撹窛瓒冲��锛屼互閬垮厤鐔遍噺绌嶈仛鍜屽共鎿�銆�
銆�銆�9銆侀�ｆ帴閬╃暥(d膩ng)?sh霉)纰惧ǐ鏄ユ墭鐩樻煣鈧�锛屾寜鐓�74HCT125D鐨勮��(gu墨)鏍兼浉鍜屾噳(y墨ng)鐢ㄩ浕璺�鍦栭�ｆ帴瀹�銆�
銆�銆�10銆佹渶鍚庯紝閲嶆柊閫ｆ帴闆绘簮锛屾墦闁嬮浕璺�渚涢��锛岄��(j矛n)琛屽姛鑳芥脯瑭︺�傜⒑淇�74HCT125D姝ｅ父宸ヤ綔骞舵寜鐓ч爯(y霉)鏈熼��(j矛n)琛屼俊铏熺珐娌�銆�
銆�銆�鍦ㄥ畨瑁濋亷绋嬩腑瑕佸皬蹇冩搷浣滐紝閬垮厤闈滈浕鍜岀墿鐞嗘悕澹�銆傚�傛灉鏈変换浣曠枒鍟�锛岃珛鍙冭��74HCT125D鐨勬暩(sh霉)鎿�(j霉)鎵嬪唺鎴栧挩瑭㈠皥妤�(y猫)浜哄＋鐨勫缓璀�銆�

74HCT125D鏄�涓�绋�鍥涢�氶亾涓夋厠(t脿i)绶╂矕鍣�锛屽父鐢ㄤ簬鏁�(sh霉)瀛楅浕璺�涓�鐨勪俊铏熺珐娌栧拰闆诲钩杞�(zhu菐n)鎻�銆備互涓嬫槸浣跨敤74HCT125D鐨勪竴鑸�姝ラ�燂細
銆�銆�1銆侀�ｆ帴闆绘簮锛氬皣VCC寮曡叧閫ｆ帴鍒版�ｉ浕婧愶紝灏嘒ND寮曡叧閫ｆ帴鍒板湴銆�
銆�銆�2銆侀�ｆ帴杓稿叆淇¤櫉锛氬皣闇�瑕佺珐娌栫殑淇¤櫉閫ｆ帴鍒扮浉鎳�(y墨ng)鐨勮几鍏ュ紩鑵筹紙渚嬪�侫1銆丄2銆丄3鍜孉4锛�銆�
銆�銆�3銆佽ō(sh猫)缃�杓稿嚭妯″紡锛氶�氶亷鎺у埗杓稿叆寮曡叧锛堜緥濡侽E锛夊皣鑺�鐗囪��(sh猫)缃�鐐鸿几鍑烘ā寮忥紙浣庨浕骞筹級鎴栦笁鎱�(t脿i)妯″紡锛堥珮闆诲钩锛夈��
銆�銆�4銆侀�ｆ帴杓稿嚭淇¤櫉锛氬皣闇�瑕佺珐娌栫殑淇¤櫉寰炵浉鎳�(y墨ng)鐨勮几鍑哄紩鑵筹紙渚嬪�俌1銆乊2銆乊3鍜孻4锛夋彁鍙栧嚭渚嗐��
銆�銆�5銆侀�ｆ帴璨�(f霉)杓夛細濡傛灉闇�瑕�锛屽皣璨�(f霉)杓夛紙渚嬪�傞浕闃�銆丩ED绛夛級閫ｆ帴鍒拌几鍑哄紩鑵炽��
銆�銆�6銆佹彁渚涢仼鐣�(d膩ng)?sh霉)鎱昁绔�闆婚樆锛氭牴鎿�(j霉)闇�瑕�锛屽湪杓稿叆鍜岃几鍑哄紩鑵充箣闁撴彁渚涢仼鐣�(d膩ng)?sh霉)鎱昁绔�闆婚��锛屼互纰轰繚淇¤櫉璩�(zh矛)閲忓拰娓涘皯鍙嶅皠銆�
銆�銆�7銆侀�ｆ帴鍏朵粬鍣ㄤ欢锛氬�傛灉闇�瑕�锛屽皣鍏朵粬鍣ㄤ欢锛堜緥濡傚叾浠栭倧杓�闁�銆佽Ц鐧�(f膩)鍣ㄧ瓑锛夐�ｆ帴鍒�74HCT125D鐨勮几鍏ユ垨杓稿嚭寮曡叧銆�
銆�銆�8銆佺⒑淇濇�ｇ⒑鐨勯浕姘ｉ�ｆ帴锛氫粩绱�(x矛)妾㈡煡鎵�鏈夊紩鑵抽�ｆ帴锛岀⒑淇濇�ｇ⒑閫ｆ帴锛岄伩鍏嶇煭璺�鍜岄尟瑾ら�ｆ帴銆�
銆�銆�9銆佷笂闆绘脯瑭︼細灏囬浕婧愰�ｆ帴鍒扮郴绲�(t菕ng)骞堕��(j矛n)琛屼笂闆绘脯瑭�锛岀⒑淇�74HCT125D姝ｅ父宸ヤ綔銆�
銆�銆�璜嬫敞鎰�锛屼笂杩版�ラ�熷儏鐐轰竴鑸�鎬ф寚灏�(d菐o)锛屽叿楂旂殑浣跨敤鏂规硶鍙�鑳藉洜鍏烽珨鎳�(y墨ng)鐢ㄥ拰瑷�(sh猫)瑷堣�佹眰鑰屾湁鎵�涓嶅悓銆傚洜姝わ紝鍦ㄤ娇鐢�74HCT125D涔嬪墠锛屾偍鎳�(y墨ng)瑭插弮鑰冪浉闂�(gu膩n)鐨勬暩(sh霉)鎿�(j霉)鎵嬪唺鍜屾噳(y墨ng)鐢ㄧ瓎瑷�锛屼互纰轰繚姝ｇ⒑鐨勪娇鐢ㄥ拰閫ｆ帴銆�