2 fbga package, Table 18. fbga package dimensions, Cs42l73 – Cirrus Logic CS42L73 User Manual
Page 136
136
DS882F1
CS42L73
10.2 FBGA Package
65-Ball FBGA (5 x 5 mm Body) Package Drawing
Table 18. FBGA Package Dimensions
Dimension
Millimeters
Minimum
Nominal
Maximum
A
0.74
0.87
1.00
A1
0.16
0.21
0.26
A2
0.58
0.66
0.74
M
BSC
4.00
BSC
N
BSC
4.00
BSC
b
0.27
0.30
0.37
c
REF
0.50
REF
d
REF
0.50
REF
e
BSC
0.50
BSC
X
4.90
5.00
5.10
Y
4.90
5.00
5.10
ccc = 0.05
ddd = 0.15
Note: Controlling dimension is millimeters.
e
e
A2
Ball A1
Location
Indicator
X
Y
BUMP SIDE
SIDE VIEW
A1
N
M
d
c
TOP SIDE
Ball A1 Location Indicator
Ball A1
A
b
Seating plane
X
Z
Y
Notes:
• Dimensioning and tolerances per ASME Y 14.5M–1994.
• The Ball A1 position indicator is for illustration purposes only and may not be to scale.
• Dimension “b” applies to the solder sphere diameter and is measured at the midpoint between the package body and the seating
plane Datum Z.
øb
Øddd Z X Y
Øccc Z