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全新HD74HC640P HD74HC623P HD74HC597P HD74HC595P HD74HC592P
供应进口原装 HD74HC623P 74HC623 直插DIP-20 实图 可直拍
贴插HD74HC390P-HD74HC623P-HD74HC541P-HD74HC273P-B
贴片直插HD74HC368P，HD74HC595P，HD74HC623P，HD74LS138P
HD74HC623P-一手货源,价格优势,现货库存
卖HD74HC4538FP HD74HC4538FPER HD74HC623P HD74HC674P原装
原装LA7123 M5L8039P-6 SN7406N HD74HC623P
原SN74ALS623AN SN74LS139AN MB7122H HD74HC4052P
