st72321j STMicroelectronics, st72321j Datasheet - Page 168

• Manufacturer Part Number: st72321j
• Description: 8-bit Mcu With Nested Interrupts, Flash, 10-bit Adc, 5 Timers, Spi, Sci, I2c Interface
• Manufacturer: STMicroelectronics

ST72321J
13.3 SOLDERING AND GLUEABILITY INFORMATION
Recommended soldering information given only as design guidelines.
Figure 107. Recommended Wave Soldering Profile (with 37% Sn and 63% Pb)
Figure 108. Recommended Reflow Soldering Oven Profile (MID JEDEC)
Recommended glue for SMD plastic packages dedicated to molding compound with silicone:
168/179
Heraeus: PD945, PD955
Loctite: 3615, 3298
Temp. [° C]
Temp. [° C]
250
200
150
100
250
200
150
100
50
50
0
0
PREHEATING
PHASE
ramp up
2°C/sec for 50sec
20
90 sec at 125°C
80° C
100
40
SOLDERING
PHASE
60
5 sec
200
150 sec above 183°C
80
100
ramp down natural
2°C/sec max
COOLING PHASE
(ROOM TEMPERATURE)
Tmax=235+/-5° C
for 25 sec
300
120
140
400
160
Time [sec]
Time [sec]