SN74LS42 鏅傞枔锛�2025/5/6 15:53:11 闁辫畝锛�23

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鍙冩暩(sh霉)

閭忚集椤炲瀷锛歍TL
銆€銆€宸ヤ綔闆诲Vcc锛�4.75V 鑷� 5.25V
銆€銆€鏈€澶ц几鍑洪浕娴侊細20mA
銆€銆€鏈€澶ц几鍏ラ浕娴侊細1mA
銆€銆€鍌虫挱寤堕伈鏅傞枔锛�30ns
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IP16銆丼OIC16

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SN74LS42鍏锋湁浠ヤ笅涓昏鐗规€э細
銆€銆€1. 鑳藉?q奴)顢–D杓稿叆杞�(zhu菐n)鎻涚偤涓冩椤ず鍣ㄦ墍闇€鐨勯﹨(q奴)鍕曚俊铏�銆�
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銆€銆€5. TTL鍏煎杓稿叆锛屼究浜庤垏鍏朵粬TTL鍣ㄤ欢鎺ュ彛銆�
銆€銆€6. 宸ヤ綔闆诲鑼冨湇瀵�锛岄仼鎳�(y墨ng)鎬у挤(qi谩ng)銆�
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銆€銆€8. 绌�(w臎n)瀹氱殑宸ヤ綔婧害鑼冨湇锛岄仼鐢ㄤ簬宸ユキ(y猫)鐠�(hu谩n)澧�銆�

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SN74LS42寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó闇€瑕佹暩(sh霉)瀛楅’绀虹殑鍫村悎锛屽寘鎷絾涓嶉檺浜庯細
銆€銆€1. 鏁�(sh霉)瀛楁檪閻樺拰瑷�(j矛)鏅傚櫒锛�
銆€銆€ 鍦ㄩ€欎簺瑷�(sh猫)鍌欎腑锛孲N74LS42琚敤渚嗛﹨(q奴)鍕曚竷娈礚ED椤ず鍣�锛屼互椤ず鏅傞枔鎴栬▓(j矛)鏁�(sh霉)鍊笺€�
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銆€銆€3. 娓噺鍎€鍣細
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銆€銆€4. 娓告埐姗�(j墨)鍜屾秷璨�(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊細
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