Owner's manual

CobraNet Hardware User’s Manual
Mechanical Drawings and Schematics
DS651UM23 ©Copyright 2005 Cirrus Logic, Inc. 51
Version 2.3
9.3 CS1810xx/CS4961xx Package
DIM
MILLIMETERS INCHES
MIN NOM MAX MIN NOM MAX
A --- --- 1.60 --- --- .063”
A1 0.05 --- 0.15 .002” --- .006”
b 0.17 0.22 0.27 .007” .009” .011”
D 22.00 BSC .866”
D1 20.00 BSC .787”
E 22.00 BSC .866”
E1 20.00 BSC .787”
e 0.50 BSC .020”
θ
0° --- 7° 0° --- 7°
L 0.45 0.60 0.75 .018” .024” .030”
L1 1.00 REF .039” REF
TOLERANCES OF FORM AND POSITION
ddd 0.08 .003”
D1
D
e
L
θ
b
A1
A
Figure 31. 144-Pin LQFP Package Drawing
L1
Notes:
1. Controlling dimension is millimeter.
2. Dimensioning and tolerancing per ASME
Y14.5M-1994.
E1
E
M
B
SEATING PLANE
ddd
B