10 pièces/lot SN74AHCT245DWR SOIC-20 SN74AHCT245 AHCT245 74HC540 SOP-20 SN74HC540DWR HC540

10 pièces/lot SN74AHCT245DWR SOIC-20 SN74AHCT245 AHCT245 74HC540 SOP-20 SN74HC540DWR HC540

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