SN54LS157 鏅傞枔锛�2025/5/6 14:31:22 闁辫畝锛�23

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銆€銆€SN54LS157 鍖呭惈鍏╁€嬬崹绔嬬殑鍥涢伕涓€澶氳矾寰�(f霉)鐢ㄥ櫒鍠厓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€�(j矛n)琛屽偝杓搞€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�(sh猫)瑷堜娇寰� SN54LS157 鍦ㄥ悇绋暩(sh霉)鎿�(j霉)鍒囨彌鍜岄倧杓帶鍒舵噳(y墨ng)鐢ㄤ腑闈炲父瀵︾敤銆�

鍙冩暩(sh霉)

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�(d谩) 10 鍊� LSTTL 璨�(f霉)杓�

鐗规€�

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�(sh霉)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€�銆�
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�(sh猫)瑷堬細闆嗘垚鍏╁€嬬崹绔嬬殑鍥涢伕涓€澶氳矾寰�(f霉)鐢ㄥ櫒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(w霉)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�(sh霉)鍒堕€�锛岀⒑淇濆湪鎯″姡鐠�(hu谩n)澧冧笅浠嶈兘绌�(w臎n)瀹氶亱琛屻€�
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�(sh猫)瑷堥渶姹傘€�

鎳�(y墨ng)鐢�

SN54LS157 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇€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�
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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�(sh猫)鍌欎腑鐨勫嫊鎱�(t脿i)淇¤櫉鍒嗛厤銆�
銆€銆€5. 杌嶄簨鍙婅埅绌鸿埅澶╅牁(l菒ng)鍩熶腑鐨勯棞(gu膩n)閸典俊铏熻檿鐞嗕换鍕�(w霉)銆�
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(sh猫)鍌�銆�