贴片直插MC74HC573AFL2 MC74HC573AFEL MC74HC573AFL1 4

贴片直插MC74HC573AFL1G，MC74HC573ADTEL，MC74HC573AFELG，4

原MC74HC563AF MC74HC564AFL1 MC74HC564N MC74HC573A原

贴片直插MC74HC574AFL1 MC74HC573AFR1 MC74HC574ADWG 4

贴片直插MC74HC574ADTR2，MC74HC573AFL2G，MC74HC573AFR1G，4