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SN74HC147芯片163NDIP
正品CD74HC147E原装芯片
74HC147N74HC147M74HC148A74HC148D
74HC147N65274HC14ADR2G74HC139RPEL74HC139F
74HC145N74HC145D74HC147D74HC147E
SN74HC13BNSN74HC139NSN74HC145NSN74HC146N
封装SN74HC147芯片163N
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