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NEC PD78F9488 User Manual

Page 367

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CHAPTER 25 RECOMMENDED SOLDERING CONDITIONS

User’s Manual U15331EJ4V1UD

367

Table 25-1. Surface Mounting Type Soldering Conditions (2/3)


(3)

µ PD78F9489GC-8BT: 80-pin plastic QFP (14x14)

Soldering Method

Soldering Conditions

Recommended

Condition Symbol

Interface reflow

Package peak temperature: 235

°C, Time:30 seconds max. (at 210°C or higher),

Count: Twice 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: Twice or less, Exposure limit: 7 days

Note

(after that, prebake at 125

°C for

10 hours)

VP15-107-2

Wave soldering

Solder bath temperature: 260°C max., Time: 10 seconds max., Count: Once,
Preheating temperature: 120°C max. (package surface temperature)

WS60-107-1

Partial heating

Pin temperature: 350°C max., Time: 3 seconds max. (per pin row)

Note After opening the dry peak, 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).

(4)

µ PD78F9489GK-9EU: 80-pin plastic TQFP (fine pitch) (12x12)

Soldering Method

Soldering Conditions

Recommended

Condition Symbol

Interface reflow

Package peak temperature: 235

°C, Time:30 seconds max. (at 210°C or higher),

Count: Twice or less, Exposure limit: 3 days

Note

(after that, prebake at 125

°C for

10 hours)

IR35-103-2

VPS

Package peak temperature: 215

°C, Time:40 seconds max. (at 200°C or higher),

Count: Twice or less, Exposure limit: 3 days

Note

(after that, prebake at 125

°C for

10 hours)

VP15-103-2

Partial heating

Pin temperature: 350°C max., Time: 3 seconds max. (per pin row)

Note After opening the dry peak, 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).

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