AT89C4050-12SU
AT89C4051-12P1
AT89C4051-12PC
AT89C4051-12PI
AT89C4051-12PU
AT89C4051-12SC
AT89C4051-12SI
AT89C4051-12SJ
AT89C4051-12SU
0755-23603360
0755-88607458