议价MC74HC251DR2SN74LS74ANSN74HC02R￥3.30去看看永恒电子元器件发布了议价装SN74LS74AN SN7476N MC74HC251DR2 SN74HC02R贴片SN74LS253MELSN74LS251DR2SN74LS251MEL￥2.90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SN74LS253MEL，SN74LS251DR2，SN74LS251MEL，4贴片SN74LS253ML1GSN74LS251DR2GSN74LS253DR2G￥2.80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SN74LS253ML1G，SN74LS251DR2G，SN74LS253DR2G，4SN74LS251NSRSN74LS253DG4SN74LS251DR2SN74LS249NTI￥2.40去看看电子元件88888发布了全新SN74LS253DG4 SN74LS251NSR SN74LS251DR2 SN74LS249NTI
