贴片直插SN54LS165J SN54HC574J SN54HC109J SN54HC244J 5

贴片直插SN54LS393J SN54LS290J SN54HC574J SN54LS197J 4

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新SN74HC74DBR LT1064-1CSW CD54HCT574F SNJ54HC541J R

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