全新GD74HC244 GD74HC241 GD74HC240 GD74HC174 GD74HC173

原GD74HC174 UDZ5V6B-7-G-88 S-80940ALMP DTC114TSATP原装

新74HC174DR GD74LS373 ST7781-G4 SN75176BR R

贴片直插GD74HC245 GD74HC273 GD74LS174 GD74LS670