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新SN65LVDM179DGK DS90LVO31ATMTC PI74FCT534ATQX R
贴片直插PI74FCT534ATQX，TMS320C50PQA57，LP2988IMMX-3.8，4
PI74FCT540-ATS PI74FCT534ATQX PI74FCT521-TPA PI74FCT377CTSX
原UPA79C. PI74FCT534ATQX LM4040CIM3-10.0/NOPB CTS2068CD原装
