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闁辫畝锛�22
SN54LS157 鏄竴娆惧熀浜庨洐鍥涢伕涓� (2-to-1) 鏁�(sh霉)鎿�(j霉)閬告搰鍣�/澶氳矾寰╃敤鍣ㄧ殑闆嗘垚闆昏矾锛屽爆浜� TI 鍏徃鎺ㄥ嚭鐨勪綆鍔熻�� Schottky 绯诲垪锛圠S 绯诲垪锛夈�傝┎鑺墖涓昏鐢ㄤ簬鏁�(sh霉)瀛楅倧杓浕璺腑锛岀敤浜庡緸澶氬�嬭几鍏ヤ俊铏熶腑閬告搰涓�鍊嬩綔鐐鸿几鍑轰俊铏�銆�
銆�銆�SN54LS157 鍖呭惈鍏╁�嬬崹绔嬬殑鍥涢伕涓�澶氳矾寰╃敤鍣ㄥ柈鍏�锛屾瘡鍊嬪柈鍏冨彲浠ュ緸鍥涘�嬭几鍏ヤ俊铏熶腑閬告搰涓�鍊嬩俊铏熼�茶鍌宠几銆傞�氶亷鎺у埗閬告搰杓稿叆绔殑鐙�鎱�(t脿i)锛屽彲浠ラ潏娲诲湴姹哄畾鍝�嬭几鍏ヨ鍌抽仦鍒拌几鍑虹銆傞�欑ó瑷▓浣垮緱 SN54LS157 鍦ㄥ悇绋暩(sh霉)鎿�(j霉)鍒囨彌鍜岄倧杓帶鍒舵噳鐢ㄤ腑闈炲父瀵︾敤銆�
閭忚集绯诲垪锛歀S
銆�銆�宸ヤ綔闆诲鑼冨湇锛�4.75V 鑷� 5.25V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� 125掳C
銆�銆�灏佽褰㈠紡锛欴IP-16, PDIP-16, SOIC-16
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氫笉澶т簬 18ns
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪�肩偤 10渭A
銆�銆�杓稿叆闃绘姉锛氶珮
銆�銆�杓稿嚭椹�(q奴)鍕曡兘鍔涳細鑳藉椹�(q奴)鍕曢珮閬� 10 鍊� LSTTL 璨犺級
SN54LS157 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂橀�熸�ц兘锛氬緱鐩婁簬浣庡姛鑰� Schottky 鎶�琛�锛孲N54LS157 鍙互鎻愪緵鏇村揩鐨勫垏鎻涢�熷害锛屽悓鏅備繚鎸佽純浣庣殑鍔熻�椼��
銆�銆�2. 瀵韩搴﹁寖鍦嶏細閬╃敤浜庡伐妤�(y猫)鍜岃粛鐢ㄧ礆鐠�(hu谩n)澧�锛屽叾宸ヤ綔婧害鑼冨湇鐐� -55掳C 鑷� 125掳C銆�
銆�銆�3. 闆欓�氶亾瑷▓锛氶泦鎴愬叐鍊嬬崹绔嬬殑鍥涢伕涓�澶氳矾寰╃敤鍣�锛屽厑瑷卞悓鏅傝檿鐞嗗叐绲勪笉鍚岀殑淇¤櫉閬告搰浠诲嫏銆�
銆�銆�4. 鍙潬鎬ч珮锛氶噰鐢ㄦ垚鐔熺殑 CMOS 鍜� TTL 鍏煎鎶�琛撳埗閫狅紝纰轰繚鍦ㄦ儭鍔ｇ挵(hu谩n)澧冧笅浠嶈兘绌�(w臎n)瀹氶亱琛�銆�
銆�銆�5. 灏忓瀷鍖栧皝瑁濓細鏀寔 DIP銆丳DIP 鍜� SOIC 灏佽锛岄仼鍚堜笉鍚岄鍨嬬殑 PCB 瑷▓闇�姹�銆�
SN54LS157 寤ｆ硾鎳夌敤浜庨渶瑕佸璺俊铏熷垏鎻涘拰閭忚集鎺у埗鐨勫牬鏅�锛屼緥濡傦細
銆�銆�1. 鏁�(sh霉)鎿�(j霉)閫氫俊绯荤当(t菕ng)涓殑淇￠亾閬告搰銆�
銆�銆�2. 瑷堢畻姗熷鍦嶈ō鍌欑殑淇¤櫉璺敱銆�
銆�銆�3. 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓殑杓稿叆/杓稿嚭绠＄悊銆�
銆�銆�4. 娓│娓噺瑷倷涓殑鍕曟厠(t脿i)淇¤櫉鍒嗛厤銆�
銆�銆�5. 杌嶄簨鍙婅埅绌鸿埅澶╅牁鍩熶腑鐨勯棞閸典俊铏熻檿鐞嗕换鍕欍��
銆�銆�鐢变簬鍏跺嚭鑹茬殑鍙潬鎬у拰瀵唬鐨勫伐浣滄韩搴﹁寖鍦�锛孲N54LS157 鐗瑰垾閬╁悎鍦ㄦサ绔浠朵笅宸ヤ綔鐨勯浕瀛愯ō鍌欍��
SN74LS157, MC14052B, CD4512
