SAM7S256_14 Datasheet, PDF (592/775 Pages) ATMEL Corporation – ARM-based Flash MCU

38.4 Soldering Profile
Table 38-11 gives the recommended soldering profile from J-STD-020C.
Table 38-11. Soldering Profile
Profile Feature
Average Ramp-up Rate (217°C to Peak)
Preheat Temperature 175°C ±25°C
Temperature Maintained Above 217°C
Time within 5° C of Actual Peak Temperature
Peak Temperature Range
Ramp-down Rate
Time 25° C to Peak Temperature
Green Package
3° C/sec. max.
180 sec. max.
60 sec. to 150 sec.
20 sec. to 40 sec.
260° C
6° C/sec. max.
8 min. max.
Note: The package is certified to be backward compatible with Pb/Sn soldering profile.
A maximum of three reflow passes is allowed per component.
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
592