全新SN74ALS564BNSR SN74ALS563BNSR SN74ALS561ADWR SN74ALS541B

全新SN74ALS564N SN74ALS564B SN74ALS541N SN74ALS540N SN74ALS5

贴插SN74ALS541DWR-HD74LS240FPEL-SN74ALS151NSR-B

全新原装正品品质保证

SN74ACT1073NSR SN74BCT541ANSR SN74ALS640B-1NSR

新SN74ALS541DWRG4 K7B163625A-QC85 QS74FCT2821BTSO R

贴片直插SN74ALS564B/SN74ALS563B/SN74ALS541N/SN74ALS561A/4