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全新SN54HC195J SN54HC194J SN54HC193J SN54HC192J SN54HC191J
54HC194 MC54HC194J CSD54HC194F SN54HC194J 进口直插脚DIP陶封.
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74HC194 SN74HC194J 54HC194 SN54HC194J。
新ADM3311XRS MAX9686CSA 54F123DMQB SN74HC194J R