全新74HC640P74HC640N74HC640F

新26001511 UPC832C. T16304DH TD6104P. 74HC640A T

TC74HC640AF 5.2mm 贴片中体74HC640A SO-20 原装全新

贴片直插74HC640A，74HC74AG，74HC86AP，74HCT08D，74HCT244

MC74HC640ADWR HC640A SOP-20 现货库存▲品质保证

全新原装正品品质保证

议价装74HC4066 74HC640A TD62307F MC74HCT374AF

议价原原2103 UPC452G 74HC245A 74HC640A

原74LS280 74LXT244 74LVT245 74HC640A

议价原原74HC08 74HC239 74ALS640A 74ALS166

全新原装正品品质保证