GX4002 Datasheet, PDF (59/74 Pages) Gennum Corporation – Dynamic on-chip power management control

7. Package and Ordering Information
7.1 Package Dimensions
The GX4002 is a 5mm x 5mm, 32-pin QFN.
Pin 1 dot
by marking
5.000±0.050
3.300±0.050
Exp.DAP
5.000±0.050
32L QFN
(5 x 5mm)
0.500 Bsc
0.230±0.050
Top View
3.500
Ref.
Bottom View
Pin #1 identification
chamfer 0.400 x 45°
0.400±0.050
3.300±0.050
Exp.DAP
MAX. 0.900
A _{NOM. 0.850}
MIN. 0.800
A
0.000-0.050
7.2 Recommended PCB Footprint
0.50
Pin #1
0.3
0.6
0.40 x 45°
4.20
3.30
Notes:
1. All dimensions in mm.
2. Drawing not to scale.
3. 16 thermal relief pins, evenly spaced on centre paddle,
connected to ground plane.
4. Drill size: 0.254mm.
0.203 Ref
Side View
GX4002 2x2 14.025Gb/s Crosspoint Switch with Trace
Equalization and Output De-Emphasis
Data Sheet
55972 - 0
March 2012
59 of 74
Proprietary & Confidential