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为了避免混乱，特意编了个号
1，这上面印的是5B JZ0
2，这上面印着A VA
3，上面印着BUQ
4，上面印着EFAK
5，上面印着LM329
6，上面印着LTFDB e3
7,上面印着TI 23 AVG
8,上面印着TI 53 OBBI
求助
求TI员工帮忙
这个是查top marking的网页，可根据marking查到具体型号：http://www.ti.com/packaging/docs/partlookup.tsp
