贴片DM54LS163ADM54LS156WDM54LS155J¥2.10去看看芯片二极管三极管电容电阻集成电路发布了贴片直插DM54LS163A,DM54LS156W,DM54LS155J,DM54LS156J,6COUNTERBINARY163883¥17.80去看看欧越半导体a发布了DM54LS163W/883【BINARY COUNTER】