74贴片MMHC￥2.50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MM74HC4053M/MM74HC4040N/MM74AC74SCX/MM74HC244WM/4贴片TVELL749572￥2.50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HD74HCT244TVELL/XC9572-15PQ100C/LC74HC02M-TP-T1/4
