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贴片直插SN54LVCH244A-SP，SN54LVTH245A-SP，4
贴片直插SN64BCT244NS，SN54LVCH244A，SN54LVTH245A，4
SN74LVCH244APWR 原装缓冲器 LCH244A 贴片IC SN54LVCH244A 芯片
贴片直插SN65HVD485EDGKR/SN54LVCH245A-SP/SN54LVTH244A-SP/4
