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新CD54HC297F SN74F521NS TLV5636IDR SN74LS613N R
JM38510/08201BEA JM38510/38002BEA CD54HC297F3A
正品CD54HC366F CD54HC365F CD54HC299F CD54HC297F CD54HC283F
正品CD54HC354F3A CD54HC32FRCA CD54HC299F3A CD54HC297F3A
AO3416L MCR10EZHFL7R50 M6374-531 CD54HC297F C1608JB1H683K
贴片直插CD4504BF3A，CD54HC297F，CD74AC257M，CD74ACT32M
