GS4901B_09 Datasheet, PDF (98/102 Pages) Gennum Corporation – SD Clock and Timing Generator with GENLOCK

6.2 Recommended PCB Footprint
0.50
0.25
0.55
8.70 7.10
CENTER PAD
NOTE: All dimensions
are in millimeters.
7.10
8.70
The center pad of the PCB footprint should be connected to the ground plane by a minimum of
36 vias.
NOTE: Suggested dimensions only. Final dimensions should conform to customer design rules
and process optimizations.
6.3 Packaging Data
Parameter
Package Type
Moisture Sensitivity Level
Junction to Case Thermal Resistance, θ_j-c
Junction to Air Thermal Resistance, θ_j-a (at zero airflow)
Psi, ψ
Pb-free and RoHS Compliant
Value
9mm x 9mm 64-pin QFN
3
9.3°C/W
24.6°C/W
0.2°C/W
Yes
GS4901B/GS4900B SD Clock and Timing Generator
with GENLOCK
Data Sheet
37703 - 4
December 2009
98 of 102