鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng)
鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺
鏅�(sh铆)闁擄細2025/4/30 15:14:56
闁辫畝锛�33
SN74LVC157APWR 鏄竴娆惧洓璺洐鍚戠附绶氭敹鐧�(f膩)鍣�锛屽爆浜� Texas Instruments 鐨� SN74LVC 绯诲垪銆傚畠鏀寔浣庨浕澹撴搷浣滐紙1.65V 鑷� 5.5V锛夛紝鍏锋湁楂橀浕姘ｆ�ц兘鍜屼綆鍔熻�楃殑鐗归粸(di菐n)銆傞�欐鑺墖閫氬父鐢ㄤ簬鏁�(sh霉)鎿�(j霉)閫氫俊銆佷俊铏�(h脿o)鍒囨彌浠ュ強澶氳矾寰�(f霉)鐢ㄧ瓑鍫存櫙锛岃兘澶犳湁鏁堥殧闆㈡垨閫ｆ帴鍏╂鐛�(d煤)绔嬬殑绺界窔绯荤当(t菕ng)銆�
銆�銆�瑭插櫒浠堕�氶亷鏂瑰悜鎺у埗寮曡叧 (DIR) 渚嗚ō(sh猫)缃暩(sh霉)鎿�(j霉)鍌宠几?sh霉)濮嗚緝?锛屽苟鍒╃敤浣胯兘寮曡叧 (OE) 渚嗗暉鐢ㄦ垨绂佺敤鏁�(sh霉)鎿�(j霉)鍌宠几鍔熻兘銆傚叾灏佽褰㈠紡鐐� TSSOP (钖勫瀷灏忓褰㈠皝瑁�)锛岄仼鍚堣〃闈㈣布瑁濇妧琛�(sh霉)鎳�(y墨ng)鐢�銆�
閭忚集绯诲垪锛歀VC
銆�銆�闆绘簮闆诲(Vcc)锛�1.65V 鑷� 5.5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�閫氶亾鏁�(sh霉)锛�
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈�澶� 7ns (鍏稿瀷鍊�)
銆�銆�杓稿叆闆诲锛氭渶澶� 8pF
銆�銆�杓稿嚭闆绘祦锛毬�24mA
銆�銆�灏佽椤炲瀷锛歍SSOP
SN74LVC157APWR 鍏锋湁浠ヤ笅闂�(gu膩n)閸电壒鎬э細
銆�銆�1. 瀵浕婧愰浕澹撹寖鍦嶆敮鎸佸绋噳(y墨ng)鐢ㄥ牬鏅�銆�
銆�銆�2. 闆欏悜鏁�(sh霉)鎿�(j霉)鍌宠几鑳藉姏浣垮叾閬╃敤浜庨潏娲荤殑绺界窔鏋舵(g貌u)銆�
銆�銆�3. 楂橀�熼亱(y霉n)琛�锛屽偝鎾欢閬蹭綆鑷� 7ns锛岀⒑淇濆揩閫熺殑鏁�(sh霉)鎿�(j霉)浜ゆ彌銆�
銆�銆�4. 鏀寔鐔辨彃鎷斿姛鑳斤紝鍦ㄧ郴绲�(t菕ng)閬�(y霉n)琛屾檪(sh铆)鍙畨鍏ㄦ彃鍏ユ垨绉婚櫎銆�
銆�銆�5. OE 寮曡叧鍙互灏囨墍鏈夐�氶亾缃簬楂橀樆鎱�(t脿i)锛屽緸鑰屽(sh铆)鐝�(xi脿n)绺界窔闅旈洟銆�
銆�銆�6. 绗﹀悎 JEDEC 妯�(bi膩o)婧�(zh菙n)锛屾槗浜庤垏鍏跺畠妯�(bi膩o)婧�(zh菙n)閭忚集鍣ㄤ欢闆嗘垚銆�
銆�銆�閫欎簺鐗归粸(di菐n)浣胯┎鑺墖鎴愮偤楂樻�ц兘鏁�(sh霉)瀛楃郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)鐨勭悊鎯抽伕鎿�銆�
SN74LVC157APWR 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鏁�(sh霉)鎿�(j霉)閫氫俊鎺ュ彛锛屽 UART銆丼PI 鎴� I2C 鍗�(xi茅)璀颁腑鐨勪俊铏�(h脿o)绶╂矕鍜岄殧闆�銆�
銆�銆�2. 绺界窔鎿�(ku貌)灞曞拰闅旈洟锛屼緥濡傚湪寰帶鍒跺櫒绯荤当(t菕ng)涓�ｆ帴澶氬��(g猫)澶栬ō(sh猫)銆�
銆�銆�3. 澶氳矾寰�(f霉)鐢�/瑙ｅ京(f霉)鐢ㄩ浕璺ō(sh猫)瑷�(j矛)銆�
銆�銆�4. 瀛樺劜(ch菙)鍣ㄦ帴鍙�锛岀壒鍒ユ槸鍦ㄩ渶瑕佸绔彛瑷晱鐨勬噳(y墨ng)鐢ㄤ腑銆�
銆�銆�5. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勪俊铏�(h脿o)鍒囨彌銆�
銆�銆�6. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勪綆鍔熻�椾俊铏�(h脿o)铏曠悊銆�
銆�銆�绺戒箣锛屼换浣曢渶瑕侀珮鏁堥洐鍚戞暩(sh霉)鎿�(j霉)鍌宠几鎴栫附绶氶殧闆㈢殑鍫村悎閮藉彲浠ヨ�冩叜浣跨敤姝よ姱鐗�銆�
SN74LVCH157A
銆�銆�SN74ALVC157ADBR
銆�銆�74LVC157A
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