H55S1222EFP-60E Datasheet, PDF (54/54 Pages) Hynix Semiconductor – 128MBit MOBILE SDR SDRAMs based on 1M x 4Bank x32 I/O

1128Mbit (4Mx32bit) Mobile SDR Memory
H55S1222EFP Series
PACKAGE INFORMATION
90 Ball FBGA 0.8mm pitch (Size 8.0mm x 13.0mm)
0.80
8.0
6.40 BSC
0.80( Typ)
A1 INDEX MARK
Unit [mm]
0.80( Typ)
0.450 ± 0.05
Bottom
View
3.20 ± 0.05
4.0 ± 0.05
1.00 max
0.340 ±0.05
Rev 1.0 / Jun. 2008
54