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鍙冩暩(sh霉)

闆绘簮闆诲(Vcc)锛�5V
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銆€銆€杓稿嚭闆绘祦锛氭渶澶�20mA
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SN74123鍏锋湁浠ヤ笅涓昏鐗规€э細
銆€銆€1. 闆欓€氶亾瑷�(sh猫)瑷�锛屾敮鎸佸叐鍊嬬崹(d煤)绔嬬殑鍠┅(w臎n)鎱�(t脿i)澶氳鎸暕鍣�銆�
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銆€銆€1. 寤堕伈闆昏矾锛氱敤浜庡欢閬蹭俊铏熻几鍑�锛屼緥濡傛寜閸靛幓鎶栧嫊铏曠悊銆�
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