
μ
PD784218, 784218Y
Data Sheet  U12304EJ2V0DS00
83
17.  RECOMMENDED SOLDERING CONDITIONS
The 
μ
PD784218 should be soldered and mounted under the following recommended conditions.  For the details
of the recommended soldering conditions, refer to the document 
Semiconductor Device Mounting Technology
Manual (C10535E)
.
For soldering methods and conditions other than those recommended below, contact your NEC sales representative.
Caution
Soldering conditions for the 
μ
PD784218YGC-
×××
-8EU and 
μ
PD784218YGF-
×××
-3BA are undetermined
because these products are under development.
Table 17-1.  Soldering Conditions for Surface Mount Type
(1)
 μ
PD784218GC-
×××
-8EU:  100-pin plastic LQFP (Fine pitch) (14 
×
 14 mm)
Soldering Method
Soldering Conditions
Recommended
Condition Symbol
Infrared reflow
Package peak temperature:  235
°
C, Time:  30 seconds max. (at 210
°
C or
higher), Count:  Two times or less, Exposure limit: 7 days
Note 
(after that,
prebake at 125
°
C for 10 hours)
IR35-107-2
VPS
Package peak temperature:  215
°
C, Time:  40 seconds max. (at 200
°
C or
higher), Count:  Two times or less, Exposure limit: 7 days
Note 
(after that,
prebake at 125
°
C for 10 hours)
VP-15-107-2
Partial heating
Pin temperature:  300
°
C max., Time:  3 seconds max. (per pin row)
—
Note
 After opening the dry pack, store it at 25
°
C or less and 65% RH or less for the allowable storage period.
Caution
Do not use different soldering methods together (except for partial heating).
(2)
 μ
PD784218GF-
×××
-3BA:  100-pin plastic QFP (14 
×
 20 mm)
Soldering Method
Soldering Conditions
Recommended
Condition Symbol
Infrared reflow
Package peak temperature:  235
°
C, Time:  30 seconds max. (at 210
°
C or
higher), Count:  Two times or less
IR35-00-2
VPS
Package peak temperature:  215
°
C, Time:  40 seconds max. (at 200
°
C or
higher), Count:  Two times or less
VP15-00-2
Wave soldering
Solder bath temperature:  260
°
C max., Time:  10 seconds max., Count:  Once,
Preheating temperature:  120
°
C max. (package surface temperature)
WS60-00-1
Partial heating
Pin temperature:  300
°
C max., Time:  3 seconds max. (per pin row)
—
Caution
Do not use different soldering methods together (except for partial heating).