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74LS688DWR274LS682DWR274LS640F74LS682
贴片原装64025LC640I
SN54HCT563JSN54HCT573JSN54HCT574JSN54HCT640J
SN74ALS639ANSRSN74ALS638AALS全新
SN74ALS640BNSRSN74ALS640BDWRSN74ALS640A全新
SN74ABT574SN74ABT541SN74ABT623SN74ABT640
SN74AS74ANSRG4SN74AS756DWRG4SN74AS757NSRG4SN74AS640DW
DBRABABT620623
SN74BCT623SDSN74BCT640DWSN74BCT646DWSN74BCT646NT
MC74HC138ANSN74LS640N芯片TA8142AP
SN74BCT640NSRG4SN74BCT760NSRG4SN74BCT8240ADWR全新
SN74HC595PWSN74HC595ZWSN74HC623DWSN74HC640AN
SN74ABT574APWRSN74ABT574DBLESN74ABT640DWG4SN74ABT574A
SN74AS574DWRE4SN74AS576DWRE4SN74AS640DWRE4SN74AS4374A
SN74BCT640DWRSN74BCT646DWRSN74BCT652DWRSN74BCT6800DW
SN54LS629JSN54LS628JSN54LS638JSN54LS640J
SN74ALS582NSN74ALS616NSN74ALS638ASN74ALS640B
640ALS74SN
SN74AS641NSN74AS640NSN74AS645NSN74AS646D
SN74AS641DWSN74AS640NSSN74AS645ANSN74AS64
SN74HC623NSRSN74HC640DWRSN74HC640MDWSN74HC640NG4
SN74ABT623NSRG4SN74ABT640DWRE4SN74ABT640DWRG4全新
SN74ALS640ANSSN74ALS639ANS640ALS
SN74ALS640BDWG4ALS全新74
NSRSOP5.274SN
SN74AS640DWG4SN74AS640DWE4SN74AS8003PSR全新
SN54ALS640AJSN54ALS640BJSN54ALS652NTSN54ALS805AJ
SN74HC643NSN74HC640NSN74HC645NSN74HC682N
SN74HCT574PWSN74HCT623DWSN74HCT640DWSN74HCT645DW
SN74ABT640NSN74ABT652ASN74ABT8996SN74AC00DE4
ALS64074SN
SN74ALS640BNSSN74ALS640BDWSN74ALS641ADW全新
SN74ABT623PWSN74ABT640DBSN74ABT640DWSN74ABT640NS
SN74AS640DWRSN74AS640NSRSN74AS641DWRSN74AS645DWR
SN74HC640DWSN74HC640NSSN74HC640PWSN74HC645AN
SN74ABT623NSRSN74ABT640DBRSN74ABT640DWRSN74ABT640NSR
ALS640SN74
SN54AS574JSN54AS374JSN54AS640JSN54AS645J
SN74ABT640PWRSN74ABT646ADBSN74ABT646ANSSN74ABT646DBR
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