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74HC540D鐨勪富瑕佺壒鎬у寘鎷細
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74HC540D甯哥敤浜庝互涓嬮牁鍩燂細
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銆�銆�7. 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓殑淇¤櫉瑾�(di脿o)鐞嗛儴鍒嗐��
74HCT540, SN74HC540, MC74HC540, NXP 74HC540
