S/UNI®-JET Data Sheet
Released
20 Mechanical Information
1
D1, M
0.127
A
-A-
A1 BALL
CORNER
D
A1 BALL
CORNER
20 18
19
14 12 10
15 13 11
8
6
4
2
16
9
7
5
3
1
17
-B-
A
C
A
S
B
S
.30
A
B
C
D
E
F
b
A1 BALL I.D.
INK MARK
G
H
J
K
L
M
E1, N
E
N
P
R
T
A
U
V
W
Y
e
0.127
A
e
TOP VIEW
A
BOTTOM VIEW
DIE SIDE
A
A2
P
C
ccc
bbb
aaa
-C-
SIDE VIEW
A1
ddd
SEATING PLANE
A-A SECTION VIEW
Notes: 1) ALL DIMENSIONS IN MILLIMETER.
2) DIMENSION aaa DENOTES COPLANARITY
3) DIMENSION bbb DENOTES PARALLEL
4) DIMENSION ccc DENOTES FLATNESS
256 PIN THERMAL BALL GRID ARRAY
PACKAGE TYPE:
BODY SIZE: 27 x 27 x 1.45 MM
Dim.
A
A1
A2
0.76
0.82
0.88
D
D1
E
E1
M,N
e
b
aaa
bbb
ccc
ddd
0.15
0.33
0.50
P
1.32
1.45
1.58
0.56
0.63
0.70
26.90
27.00
27.10
24.03
24.13
24.23
26.90
27.00
27.10
24.03
0.60
0.75
0.90
0.20
0.30
0.35
Min.
Nom.
Max.
24.13 20x20
24.23
1.27
0.20
0.15
0.15
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-1990267, Issue 3
340
PMC [ PMC-SIERRA, INC ]
