12 PACKAGE INFORMATION
64L LQFP PACKAGE DRAWING
E
E1
D D1
1
e
B
∝
A
A1
L
INCHES
NOM
0.55
0.004
0.008
0.472 BSC
0.393 BSC
0.472 BSC
0.393 BSC
0.020 BSC
0.024
MILLIMETERS
NOM
DIM
A
A1
B
D
D1
E
E1
e*
L
∝
MIN
---
MAX
0.063
0.006
0.011
0.484
0.398
0.484
0.398
0.024
0.030
7.000°
MIN
---
MAX
1.60
0.15
1.40
0.10
0.20
0.002
0.007
0.461
0.390
0.461
0.390
0.016
0.018
0.000°
0.05
0.17
11.70
9.90
11.70
9.90
0.40
0.45
0.00°
0.27
12.0 BSC
10.0 BSC
12.0 BSC
10.0 BSC
0.50 BSC
0.60
12.30
10.10
12.30
10.10
0.60
0.75
7.00°
4°
4°
* Nominal pin pitch is 0.50 mm
Controlling dimension is mm.
JEDEC Designation: MS026
12.1 Thermal Characteristics
Parameter
Symbol
Min
Typ
Max
Units
Junction to Ambient Thermal Impedance
2 Layer Board
4 Layer Board
θ
θ
-
-
50
37
-
-
°C/Watt
°C/Watt
JA
JA
66
DS648PP2
CIRRUS [ CIRRUS LOGIC ]
