STPCI2HDYI STMicroelectronics, STPCI2HDYI Datasheet - Page 72
STPCI2HDYI
Manufacturer Part Number
STPCI2HDYI
Description
Manufacturer
STMicroelectronics
Datasheet
1.STPCI2HDYI.pdf
(108 pages)
Specifications of STPCI2HDYI
Operating Temperature (min)
-40C
Operating Temperature (max)
115C
Processing Unit
Microprocessor
Operating Supply Voltage (min)
2.45/3V
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
2.7/3.6V
Package Type
BGA
Screening Level
Industrial
Pin Count
516
Mounting
Surface Mount
Rad Hardened
No
Lead Free Status / RoHS Status
Supplier Unconfirmed
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STPC® ATLAS
5.3. SOLDERING RECOMMENDATIONS
High quality, low defect soldering requires
identifying the optimum temperature profile for
reflowing the solder paste, therefore optimizing the
process. The heating and cooling rise rates must
be compatible with the solder paste and
components. A typical profile consists of a
preheat, dryout, reflow and cooling sections.
The most critical parameter in the preheat
section is to minimize the rate of temperature rise
to less than 2°C / second, in order to minimize
thermal
components.
72/108
1
Figure 5-7. Reflow soldering temperature range
250
200
150
100
50
0
Temperature (
0
shock
PREHEAT
°
C )
on
the
semi-conductor
DRYOUT
Dryout section is used primarily to ensure that
the solder paste is fully dried before hitting reflow
temperatures.
Solder reflow is accomplished in the reflow zone,
where the solder paste is elevated to a
temperature greater than the melting point of the
solder. Melting temperature must be exceeded by
approximately 20°C to ensure quality reflow.
In reality the profile is not a line, but rather a range
of temperatures all solder joints must be
exposed. The total temperature deviation from
component thermal mismatch, oven loading and
oven uniformity must be within the band.
REFLOW
240
COOLING
Time ( s )
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