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CHAPTER 31
RECOMMENDED SOLDERING CONDITIONS
User’s Manual U12697EJ4V1UD
Table 31-1. Soldering Conditions for Surface Mount Type (3/3)
(4)
PD784224GC-×××-8BT-A: 80-pin plastic QFP (14 × 14)
PD784225GK-×××-9EU-A: 80-pin plastic TQFP (fine pitch) (12 × 12)
Soldering Method
Soldering Conditions
Recommended
Condition Symbol
Infrared reflow
Package peak temperature: 260
°C, Time: 60 seconds max. (at 220°C or
IR60-203-3
higher), Count: Three times or less, Exposure limit: 3 daysNote (after that,
prebake at 125
°C for 20 to 72 hours)
Wave soldering
For details, contact an NEC Electronics sales representative.
—
Partial heating
Pin temperature: 350
°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).
Remark
Products that have the part numbers suffixed by “-A” are lead-free products.
(5)
PD784224YGC-×××-8BT-A: 80-pin plastic QFP (14 × 14)
PD784225GC-×××-8BT-A: 80-pin plastic QFP (14 × 14)
PD784225YGC-×××-8BT-A: 80-pin plastic QFP (14 × 14)
PD78F4225GC-8BT-A:
80-pin plastic QFP (14
× 14)
PD78F4225YGC-8BT-A:
80-pin plastic QFP (14
× 14)
PD784224GK-×××-9EU-A: 80-pin plastic TQFP (fine pitch) (12 × 12)
PD784224YGK-×××-9EU-A: 80-pin plastic TQFP (fine pitch) (12 × 12)
PD784225YGK-×××-9EU-A: 80-pin plastic TQFP (fine pitch) (12 × 12)
PD78F4225GK-9EU-A:
80-pin plastic TQFP (fine pitch) (12
× 12)
PD78F4225YGK-9EU-A:
80-pin plastic TQFP (fine pitch) (12
× 12)
Soldering Method
Soldering Conditions
Recommended
Condition Symbol
Infrared reflow
Package peak temperature: 260
°C, Time: 60 seconds max. (at 220°C or
IR60-207-3
higher), Count: Three times or less, Exposure limit: 7 daysNote (after that,
prebake at 125
°C for 20 to 72 hours)
Wave soldering
When the pin pitch of the package is 0.65 mm or more, wave soldering
—
can also be performed.
For details, contact an NEC Electronics sales representative.
Partial heating
Pin temperature: 350
°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).
Remark
Products that have the part numbers suffixed by “-A” are lead-free products.