PCA9539DGVRG4 IC I/O EXPANDER I2C 16B 24TVSOP PCA9539DGVRG4

贴插PCA9539DGVRG4-CDCU2A877ZQLT-TPA2017D2RTJR-B

PCA9539RGERG4 PCA9539PW+118 PCA9539PW,118 PCA9539DGVRG4

丝印pca9539pw-112 PCA9539DGVRG4 PCA9539DBQRG4 PCA9539BS+118