COMPARATOR原装74F521SCIDENTITY￥4.30去看看吾深电子发布了74F521SC |原装全新IC COMPARATOR IDENTITY 8B 20SOIC贴片SN54AS08SN54AC74SN54AC10￥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SN54AS08，SN54AC74，SN54AC10，SN54AC14，SN54F521，4
