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新54LS44J TP3057V 54H22AJ SN7491J TC9181F 54HC07J R
新SN54LS126J XC2C32VQ44 SN54LS153J SN54LS688J R
新DM54LS02J/883C AT1504AS15JC44 MC68HC11F1CFN5
贴片直插54LS138J 52013R-H 44X-4278 4TPB470M 54LS154J 6