贴片直插MC74HCU04AFL2G，MC74HCU04ADTR2，MC74HCU04AFL1G，4

贴片直插MC74LCX00DR2G，MC74HCU04AFL1，MC74HCU04AFL2，4

原MC74HCU04 MC74HCU04AFL1 MC74HCU04AFL1?? MC74LCX04DTR2原

议价装STM32F103ZEH6 MC74HCU04AFL1 HIN232CBZ AD9849AKST