全新SN74HC273N SN74HC273J SN74HC273D SN74HC273B SN74HC273A

贴插SN74LS273NSR-CD74HC423NSR-LT1121AHVIS8-B

贴插LT1787HCS8 SN74HC273N CA3094AT/3 160500063B B

UM8881F AP4300BM-B SN74HC273DW IR3Y29A