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DM74LS279 SN74LS279N HD74LS279P MC74LS279N DM74LS279N DIP
全新原装DM74LS279N SN74LS279AN 74LS279 直插 DIP-16 拍下即发
DM74LS279N SN74LS279N LS279原装现货翻两番SR锁存器低价销售
DM74LS279N【IC LATCH QUAD S/R 16-DIP】
贴片直插DM74LS165N，DM74LS279N，DM74LS299V，DM74LS373N
贴片直插DM74LS293M，DM74LS290M，DM74LS273N，DM74LS279N，6
