Cirrus Logic CS42428 - Manual (Page 70)

70 DS605F2
CS42428
12.PACKAGE DIMENSIONS
THERMAL CHARACTERISTICS
INCHES MILLIMETERS
DIM MIN NOM MAX MIN NOM MAX
A --- 0.55 0.063 --- 1.40 1.60
A1 0.002 0.004 0.006 0.05 0.10 0.15
B 0.007 0.008 0.011 0.17 0.20 0.27
D 0.461 0.472 BSC 0.484 11.70 12.0 BSC 12.30
D1 0.390 0.393 BSC 0.398 9.90 10.0 BSC 10.10
E 0.461 0.472 BSC 0.484 11.70 12.0 BSC 12.30
E1 0.390 0.393 BSC 0.398 9.90 10.0 BSC 10.10
e* 0.016 0.020 BSC 0.024 0.40 0.50 BSC 0.60
L 0.018 0.024 0.030 0.45 0.60 0.75
 0.000° 4° 7.000° 0.00° 4° 7.00°
* Nominal pin pitch is 0.50 mm
Controlling dimension is mm.
JEDEC Designation: MS026
Parameter Symbol Min Typ Max Units
Allowable Junction Temperature - - +135 C
Junction to Ambient Thermal Impedance 
JA
- 48 - °C/Watt
64L LQFP PACKAGE DRAWING
E1
E
D1 D
1
e
L

B
A1
A