74HC245D 鏅傞枔锛�2024/7/24 15:30:33 闁辫畝锛�927

74HC245D鏄竴绋洐鍚戠附绶氳綁(zhu菐n)鎻涘櫒鑺墖锛屽畠鍙互灏囦竴鍊嬪柈鍚戠附绶氳綁(zhu菐n)鎻涙垚闆欏悜绺界窔锛屽悓鏅傛敮鎸侀浕骞宠綁(zhu菐n)鎻涘拰闆诲姘村钩杞�(zhu菐n)鎻�銆傝┎鑺墖鐨勮几鍏ョ鏈夊叐鍊嬫柟鍚戞帶鍒朵俊铏�锛屽彲浠ユ帶鍒舵暩(sh霉)鎿�(j霉)鍌宠几?sh霉)濮嗚緝棰嶎儱铔婃穱姊㈡潅绯滈檾p鍚戠附绶氱殑鎳�(y墨ng)鐢ㄥ牬鍚�銆傚悓鏅傦紝瑭茶姱鐗囨敮鎸�3.3V鍜�5V闆诲钩鐨勯倧杓浕骞宠綁(zhu菐n)鎻�锛屽彲浠ュ吋瀹逛笉鍚岄浕骞崇殑瑷�(sh猫)鍌欍€�
銆€銆€74HC245D閲囩敤CMOS鎶€琛�(sh霉)鍒堕€�锛屽叿鏈変綆鍔熻€�銆侀珮閫熷害銆侀珮鍣伈鎶戝埗鍜岃壇濂界殑闆诲瓙鎶楁摼鎬х瓑鐗归粸銆傝┎鑺墖鐨勮几鍑虹鍏锋湁閬庢祦淇濊(h霉)鍜岄亷婧繚璀�(h霉)鍔熻兘锛屽彲浠ユ湁鏁堜繚璀�(h霉)瑷�(sh猫)鍌欑殑瀹夊叏鎬у拰绌�(w臎n)瀹氭€�銆傛澶�锛岃┎鑺墖閭勫叿鏈夎壇濂界殑鎺у埗鑳藉姏锛屽彲浠ラ€氶亷鎺у埗寮曡叧瀵︾従(xi脿n)澶氱ó涓嶅悓鐨勫伐浣滄ā寮忋€�
銆€銆€74HC245D寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鏁�(sh霉)瀛楅浕璺腑鐨勯洐鍚戠附绶氭帴鍙�銆侀浕骞宠綁(zhu菐n)鎻涘拰闆诲杞�(zhu菐n)鎻涚瓑闋�(l菒ng)鍩�銆傚畠鍙互鍦ㄤ笉鍚岃ō(sh猫)鍌欎箣闁撳鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)鍌宠几鍜屾帶鍒朵俊铏熷偝杓�锛屼娇寰椾笉鍚岃ō(sh猫)鍌欎箣闁撶殑鏁�(sh霉)鎿�(j霉)浜ゆ彌璁婂緱鏇村姞绨″柈鍜屾柟渚�銆傚悓鏅傦紝瑭茶姱鐗囬倓鍏锋湁寤ｆ硾鐨勫吋瀹规€�锛屽彲浠ュ吋瀹瑰绋笉鍚岄鍨嬬殑瑷�(sh猫)鍌�锛岀偤宸ョ▼甯付渚嗕簡妤靛ぇ鐨勪究鍒�銆�

鍙冩暩(sh霉)鑸囨寚妯�(bi膩o)

1銆侀浕婧愰浕澹擄細2V-6V
銆€銆€2銆佽几鍏ラ浕澹擄細-0.5V-7V
銆€銆€3銆佽几鍑洪浕澹擄細-0.5V-7V
銆€銆€4銆佸伐浣滄韩搴︼細-40鈩�-85鈩�
銆€銆€5銆佸紩鑵虫暩(sh霉)鐩細20
銆€銆€6銆佽姱鐗囧皝瑁濓細SOP銆乀SSOP
銆€銆€7銆侀€熷害绛夌礆锛�5ns
銆€銆€8銆侀倧杓浕骞筹細3.3V銆�5V
銆€銆€9銆佹渶澶ц几鍑洪浕娴侊細35mA
銆€銆€10銆佹渶澶ц几鍏ラ浕娴侊細-0.5mA-20mA

绲勬垚绲�(ji茅)妲�(g貌u)

74HC245D鑺墖鍏�(n猫i)閮ㄧ敱澶氬€嬪京(f霉)闆滅殑閭忚集闁€闆昏矾绲勬垚锛屼富瑕佺敱浠ヤ笅骞惧€嬮儴鍒嗙祫鎴愶細
銆€銆€1銆佽几鍏ョ锛氬寘鎷�8鍊嬫暩(sh霉)鎿�(j霉)杓稿叆鍙ｅ拰鍏╁€嬫柟鍚戞帶鍒惰几鍏ュ彛锛屽叾涓柟鍚戞帶鍒惰几鍏ュ彛鐢ㄤ簬鎺у埗鏁�(sh霉)鎿�(j霉)鍌宠几?sh霉)濮嗚緝棰�?br>銆€銆€2銆佽几鍑虹锛氬寘鎷�8鍊嬫暩(sh霉)鎿�(j霉)杓稿嚭鍙ｅ拰鍏╁€嬫柟鍚戞帶鍒惰几鍑哄彛锛屽叾涓柟鍚戞帶鍒惰几鍑哄彛鐢ㄤ簬杓稿嚭鏂瑰悜鎺у埗淇¤櫉銆�
銆€銆€3銆佹帶鍒堕倧杓細閫氶亷灏嶆柟鍚戞帶鍒惰几鍏ュ彛鍜岃几鍑哄彛鐨勬帶鍒讹紝瀵︾従(xi脿n)鑺墖鐨勪笉鍚屽伐浣滄ā寮忓垏鎻�銆�
銆€銆€4銆侀浕骞宠綁(zhu菐n)鎻涢浕璺細鐢ㄤ簬瀵︾従(xi脿n)涓嶅悓闆诲钩涔嬮枔鐨勮綁(zhu菐n)鎻�锛屾敮鎸�3.3V鍜�5V闆诲钩鐨勯倧杓浕骞宠綁(zhu菐n)鎻涖€�

宸ヤ綔鍘熺悊

74HC245D鑺墖鏄竴绋洐鍚戠附绶氳綁(zhu菐n)鎻涘櫒鑺墖锛屽畠鍙互灏囦竴鍊嬪柈鍚戠附绶氳綁(zhu菐n)鎻涙垚闆欏悜绺界窔銆傜暥(d膩ng)鏂瑰悜鎺у埗杓稿叆绔殑鎺у埗淇¤櫉鐐洪珮闆诲钩鏅�锛岃姱鐗囧伐浣滃湪A绔埌B绔殑鏁�(sh霉)鎿�(j霉)鍌宠几妯″紡涓嬶紝姝ゆ檪A绔几鍏ユ暩(sh霉)鎿�(j霉)锛孊绔几鍑烘暩(sh霉)鎿�(j霉)锛涚暥(d膩ng)鏂瑰悜鎺у埗杓稿叆绔殑鎺у埗淇¤櫉鐐轰綆闆诲钩鏅�锛岃姱鐗囧伐浣滃湪B绔埌A绔殑鏁�(sh霉)鎿�(j霉)鍌宠几妯″紡涓�锛屾鏅侭绔几鍏ユ暩(sh霉)鎿�(j霉)锛孉绔几鍑烘暩(sh霉)鎿�(j霉)銆�
銆€銆€闄ゆ涔嬪锛�74HC245D鑺墖閭勬敮鎸�3.3V鍜�5V闆诲钩鐨勯倧杓浕骞宠綁(zhu菐n)鎻涖€傜暥(d膩ng)杓稿叆闆诲钩鐐�3.3V鏅�锛岃姱鐗囨渻灏囧叾杞�(zhu菐n)鎻涚偤5V闆诲钩閫�(j矛n)琛岃檿鐞嗭紱鐣�(d膩ng)杓稿叆闆诲钩鐐�5V鏅�锛岃姱鐗囨渻灏囧叾杞�(zhu菐n)鎻涚偤3.3V闆诲钩閫�(j矛n)琛岃檿鐞�銆傞€欐ǎ锛屽氨鍙互鍏煎涓嶅悓闆诲钩鐨勮ō(sh猫)鍌�锛屽鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)鐨勪簰閫氬拰鎺у埗淇¤櫉鐨勫偝杓搞€�

瑷�(sh猫)瑷堟祦绋�

1銆佺⒑瀹氭噳(y墨ng)鐢ㄥ牬鏅細鏍规摎(j霉)瀵﹂殯鎳�(y墨ng)鐢ㄥ牬鏅紝纰哄畾鑺墖鐨勫姛鑳介渶姹傚拰鎬ц兘鎸囨(bi膩o)銆�
銆€銆€2銆侀伕鍨嬶細鏍规摎(j霉)鑺墖鐨勫姛鑳介渶姹傚拰鎬ц兘鎸囨(bi膩o)锛岄伕鎿囧悎閬╃殑鑺墖鍨嬭櫉銆�
銆€銆€3銆侀浕璺ō(sh猫)瑷堬細鏍规摎(j霉)鑺墖鐨勯浕姘ｇ壒鎬у拰鎳�(y墨ng)鐢ㄥ牬鏅�锛岃ō(sh猫)瑷堣姱鐗囩殑闆昏矾閫ｆ帴鏂瑰紡鍜屾帶鍒朵俊铏熺殑杓稿叆杓稿嚭鏂瑰紡銆�
銆€銆€4銆丳CB瑷�(sh猫)瑷堬細鏍规摎(j霉)闆昏矾瑷�(sh猫)瑷�锛岃ō(sh猫)瑷圥CB闆昏矾鏉匡紝灏囪姱鐗囧拰鍏朵粬闆诲瓙鍏冨櫒浠堕€�(j矛n)琛屽竷灞€閫ｆ帴銆�
銆€銆€5銆佹ǎ鍝佸埗浣滐細鏍规摎(j霉)PCB瑷�(sh猫)瑷�锛屽埗浣滄ǎ鍝侊紝閫�(j矛n)琛屾脯瑭﹀拰椹楄瓑銆�
銆€銆€6銆佹壒閲忕敓鐢�(ch菐n)锛氭牴鎿�(j霉)妯ｅ搧娓│绲�(ji茅)鏋�锛岄€�(j矛n)琛屾壒閲忕敓鐢�(ch菐n)骞堕€�(j矛n)琛屾脯瑭�锛屼繚璀夎姱鐗囩殑璩�(zh矛)閲忓拰绌�(w臎n)瀹氭€�銆�

鎳�(y墨ng)鐢�

1銆侀洐鍚戠附绶氭帴鍙ｏ細鍙互灏囧柈鍚戠附绶氳綁(zhu菐n)鎻涙垚闆欏悜绺界窔锛屽鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)鐨勯洐鍚戝偝杓搞€�
銆€銆€2銆侀浕骞宠綁(zhu菐n)鎻涳細鍙互灏囦笉鍚岄浕骞充箣闁撶殑淇¤櫉閫�(j矛n)琛岃綁(zhu菐n)鎻涳紝瀵︾従(xi脿n)涓嶅悓瑷�(sh猫)鍌欎箣闁撶殑浜掗€�銆�
銆€銆€3銆佹帶鍒朵俊铏熷偝杓革細鍙互灏囨帶鍒朵俊铏熼€�(j矛n)琛屽偝杓�锛屽鐝�(xi脿n)涓嶅悓瑷�(sh猫)鍌欎箣闁撶殑鎺у埗銆�
銆€銆€4銆佹暩(sh霉)瀛楅浕璺腑鐨勬暩(sh霉)鎿�(j霉)鍌宠几鍜屾帶鍒朵俊铏熷偝杓�?sh霉)闃甀(l菒ng)鍩熴€�

娉ㄦ剰浜嬮爡

1銆佸湪浣跨敤鑺墖鏅�锛屾噳(y墨ng)娉ㄦ剰鎺у埗淇¤櫉鐨勮几鍏ヨ几鍑烘柟寮�锛屼繚璀夎姱鐗囩殑姝ｅ父宸ヤ綔銆�
銆€銆€2銆佸毚(y谩n)鏍兼寜鐓ц姱鐗囩殑闆绘埃鐗规€у拰浣跨敤姊濅欢閫�(j矛n)琛岃ō(sh猫)瑷堝拰浣跨敤锛岄伩鍏嶈姱鐗囧洜浣跨敤涓嶇暥(d膩ng)鑰屾悕澹�銆�
銆€銆€3銆佸湪閫�(j矛n)琛岄浕璺€ｆ帴鏅�锛屾噳(y墨ng)娉ㄦ剰绶氳矾鐨勯樆鎶楀尮閰嶏紝閬垮厤淇¤櫉鍙嶅皠鍜屽共鎿�銆�
銆€銆€4銆佸湪閫�(j矛n)琛孭CB瑷�(sh猫)瑷堟檪锛屾噳(y墨ng)娉ㄦ剰鑺墖鐨勫竷灞€鍜岄€ｆ帴鏂瑰紡锛屼繚璀夎姱鐗囩殑姝ｅ父宸ヤ綔鍜岀┅(w臎n)瀹氭€�銆�
銆€銆€5銆佸湪閫�(j矛n)琛屾ǎ鍝佹脯瑭﹀拰鎵归噺鐢熺敘(ch菐n)鏅�锛屾噳(y墨ng)鍤�(y谩n)鏍兼寜鐓ф妧琛�(sh霉)瑕�(gu墨)鑼冨拰璩�(zh矛)閲忔(bi膩o)婧�(zh菙n)閫�(j矛n)琛屾搷浣�锛屼繚璀夎姱鐗囩殑璩�(zh矛)閲忓拰绌�(w臎n)瀹氭€�銆�