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SN74AHC139DR鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 闆�2-4绶氳纰煎櫒绲�(ji茅)妲�(g貌u)锛屽彲浠ュ悓鏅傝檿鐞嗗叐绲勭崹绔嬬殑杓稿叆淇¤櫉銆�
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SN74AHCT139D, 74HC139, 74HCT139
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