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M74LS643-1P M74LS642-1P M74LS641-JP M74LS641-1P M74LS640-1P
贴插74HC696AP T62M0002A MB74LS640 SI-3018KM N
贴插SN74LS640NSR LB1968M-TE-L UPD4992GS-EZ N
贴插74FCT163TSO-BT485KPJ135-74LV4053APW-M74LS640-1P
【只有原装】74LS640M 74LS640N 74LS641N 74LS645N 74LS669N原装
M74LS640-1P-诚邀合作渠道优势合作共赢价格好,原装正品
新M50746-679SP M50746-460SP SN74LS640DWR R
贴片直插SN74LS641N SN74LS640M SN74LS629N SN74LS640H 4