Intel Celeron Processor in the 478-Pin Package at 1.80 GHz Datasheet

Datasheet 51
Intel
®
Celeron
®
Processor in the 478-Pin Package
Figure 24 details the keep in specification for pin-side components. The Celeron processor in the
478-pin package may contain pin side capacitors mounted to the processor package.
Figure 26 details the flatness and tilt specifications for the IHS. Tilt is measured with the reference
datum set to the bottom of the processor interposer.
NOTES:
1. Pin plating consists of 0.2 micrometers Au over 2.0 micrometer Ni.
2. 0.254 mm diametric true position, pin to pin.
Figure 24. Processor Cross-Section and Keep-in
13.97mm
1.25mm
IHS
FCPGA
Component Keepin
Socket must allow clearance
for pin shoulders and mate
flush with this surface
Substrate
13.97mm
1.25mm
IHS
FCPGA
Component Keepin
Socket must allow clearance
for pin shoulders and mate
flush with this surface
Substrate
2
Figure 25. Processor Pin Detail
PINHEAD DIAMETER
Ø 0.65 MAX
KEEP OUT ZONE
Ø 1.032 MAX
2.03±0.08
SOLDER FILLET HEIGHT
0.3 MAX
ALL DIMENSIONS ARE IN MILIMETERS
Ø 0.305±0.025