HY5PS56421LF-E3 Datasheet, PDF (34/35 Pages) Hynix Semiconductor – 256Mb DDR2 SDRAM

5. Package Dimensions
Package Dimension(x4,x8)
60Ball Fine Pitch Ball Grid Array Outline
12.00 +/- 0.10
A1 Ball Mark
HY5PS56421(L)F
HY5PS56821(L)F
HY5PS561621(L)F
<Top View>
1.20 Max.
0.34 +/- 0.05
A1 Ball Mark
0.80 ^{1 2 3}
789
0.80 x 8 = 6.40
<Bottom View>
60 - φ 0.50
note: all dimension units are Millimeters.
Rev 1.0 / July. 2004
34