GS4900B Datasheet, PDF (33/102 Pages) Semtech Corporation – SD Clock and Timing Generator with GENLOCK

2.4 Solder Reflow Profiles
The device is manufactured with Matte-Sn terminations and is compatible with both
standard eutectic and Pb-free solder reflow profiles. MSL qualification was performed
using the maximum Pb-free reflow profile shown in Figure 2-2. The recommended
standard Pb reflow profile is shown in Figure 2-3.
Temperature
260°C
250°C
217°C
200°C
3°C/sec max
60-150 sec.
20-40 sec.
6°C/sec max
150°C
25°C
60-180 sec. max
8 min. max
Time
Figure 2-2: Maximum Pb-free Solder Reflow Profile (preferred)
Temperature
230°C
220°C
183°C
150°C
3°C/sec max
60-150 sec.
10-20 sec.
6°C/sec max
100°C
25°C
120 sec. max
6 min. max
Time
Figure 2-3: Standard Pb Solder Reflow Profile
GS4901B/GS4900B SD Clock and Timing Generator
with GENLOCK
Data Sheet
37703 - 4
December 2009
33 of 102