ICS1531 Datasheet, PDF (71/76 Pages) Integrated Circuit Systems – Triple 8-bit MSPS A/D Converters with Line-Locked Clock Generator

ICS1531 Data Sheet - Preliminary
Chapter 12 Package Dimensions
Chapter 12 Package Dimensions
This section gives the physical dimensions for the package for the ICS1531, which is a 144-pin LQFP.
• The lead count (N) for the package is 144 leads.
• The nominal footprint (that is the body) for the package is 20 mm × 20 mm × 1.4 mm.
Note:
1. For full mechanical specifications, see JEDEC drawing number MS-026 Rev A.
2. Table 12-1 lists the ICS1531 physical dimensions. These dimensions are:
a. For planning purposes only.
b. Subject to change.
c. Shown in Figure 12-1.
Table 12-1. Physical Dimensions for ICS1531
Symbol
Description
A
Full Package Height
A1 Package Body Standoff
A2 Package Body Thickness
b
Lead Width
c
Lead Thickness
D Tip-to-Tip Dimension
D1 Package Body Dimension
e
Lead Pitch
E
Tip-to-Tip Dimension
E1 Package Body Dimension
L
Lead Length, Entire Length
L1 Lead Length, Segment 1 (Lead Tip Length)
Θ Lead Tip Angle
Min.
–
0.05
1.35
0.17
0.09
21.8
19.9
–
21.8
19.9
–
0.45
0
Nominal
–
–
1.40
0.22
–
22.0
20.0
0.50
22.0
20.0
1.0
0.60
–
Max.
1.60
0.15
1.45
0.27
0.20
22.2
20.1
–
22.2
20.1
–
0.75
7
Unit
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
degrees
ICS1531 Rev N 12/1/99
Copyright © 1999, Integrated Circuit Systems, Inc.
All rights reserved.
71
December, 1999