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