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BGA ??????? ?t??l ^?t
BGA???????о????60????????類????IBM??????????????90???????BGA ?????????????????Ρ? R?諠GJ??
?hX???Mx ??80??????????????·С?????I/O??????????????????????????????QFP?????????????
hn??r??jF? JEDEC(?????????????????)(JC-11)?????????????BGA?????????????BGA??QFP????????????I/O?????????????????????1.0??1.27??
a}F?T?g! BGA???????????????????????????κ????У????????κ???????????????? CBGA(Ceramic Ball Grid Array)??????????????????? TBGA(Tape Automatec Ball Grid Array)???????????PBGA(Plastic Ball Array)?? CBGA??TBGA??PBGA????????????????????????κ?????CCGA(Ceramic Column Grid Array)?? ???w??y~υ
?X?~?Vu?? BGA???????????IC????????????????????к????????????????????????????С???????????????????????????????Щ????????????????????????????Щ?????????????????I/O?????????????????????????С??????????н?????????? %?\??$?t
?j??a???> ????BGA????????????????????????????????о?????????ж?λ??????????????????????????????????????QFP???????????????????и????????????Щ????·???????????????? BGA????????ó????SMT????????豸?????????????????????????????????С??20PPM??Parts Per Million???????????????????????????????????????QFP????????????????γ????????????????????10???? ?z???Vb3?
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