IC280-169-127 Datasheet, PDF (3/5 Pages) Yamaichi Electronics Co., Ltd. – Ball Grid Array (FBGA / CSP / LGA)

IC280 Series (Clamshell) Example Grids for BGA
Top View from Socket
Grid Size 27 x 27
729 pins
IC280-72919 (BGA)
23.00 ±0.1
0.80±0.05
2 - 0.80x26=20.80 ±0.1
2.00 ref.
1.50±0.1
0.50±0.05
10.40±0.05
0.80±0.05
19.25±0.05
19.15±0.05
11.97±0.05 11.68±0.05
2-0.80x26=20.80±0.1
729-Æ0.40
+0.1
0
2-Æ1.60
+0.1
0
4-Æ2.20
+0.1
0
729-Æ 0.50±0.05
25.75 ref.
23.00 ref.
48.75 ref.
Grid Size 27 x 27
792 pins
IC280-72949 (BGA)
23.00 ±0.1
0.80±0.05
2-0.80x26=20.80 ±0.1
2.00 ref.
1.50±0.1
0.50±0.05
8.90±0.05
1.55±0.05
729-Æ0.30
+0.1
0
2-Æ1.60
+0.1
0
Pos. pin
4-Æ2.20
+0.1
0
Tapp. screw
29.50±0.05
22.10±0.05
0.80±0.05
2-0.80x26=20.80±0.1
729-Æ 0.50±0.05
15.35 ref.
48.75 ref.
Test & Burn-In
SPECIFICATIONS ARE SUBJECT TO ALTERATION WITHOUT PRIOR NOTICE – DIMENSIONS IN MILLIMETER