Device Material Content

Device Material Content
5555 NE Moore Ct.
Hillsboro OR 97124
(503) 268-8000
[email protected]
Package:
Total Device Weight
August, 2008
% of Total
Pkg. Wt.
Weight (g)
Die
1.80%
0.103
Mold
89.35%
5.093
D/A Epoxy
0.12%
208 PQFP
5.70
Grams
with matte Sn Plating
% of Total
Weight (g)
Pkg. Wt.
MSL: 3
Peak Reflow Temp: 245°C
Substance
CAS #
Silicon chip
7440-21-3
78.36%
6.25%
4.47%
0.27%
4.467
0.357
0.255
0.015
Silica Fused
Epoxy Resin
Phenol Resin
Carbon black
60676-86-0
129915-35-1
26834-02-6
1333-86-4
0.10%
0.02%
0.006
0.0014
Silver (Ag)
other
7440-22-4
-
0.007
Notes / Assumptions:
Die size: 7.4 x 9.3 x 0.64 mm
Mold Compound Density varies between 1.7 and 2.3 grams/cc
75 to 95% Silica Fused (LSC uses 87.7% in our calculation)
5 to 10% Epoxy Resin (LSC uses 7% in our calculation).
3 to 8% Phenol Resin (LSC uses 5% in our calculation).
0.1 to 0.5% Carbon black (LSC uses 0.3% in our calculation)
Die attach epoxy Density: 4 grams/cc
(silver content: 70-90%; LSC uses 80% in our calculation)
Wire
0.11%
0.006
Gold (Au)
7440-57-5
1.0 mil wire diameter; 1 wire for each package lead; wire length 3 mm
Lead Plating
0.52%
0.030
Tin (Sn)
7440-31-5
Plating is 100% Sn; thickness is 0.015mm
Leadframe
8.10%
0.462
Copper (Cu)
Nickel (Ni)
Silicon (Si)
Magnesium (Mg)
7440-50-8
7440-02-0
7440-21-3
7439-95-4
Leadframe thickness is nominal (per Case Outline)
96.2% Cu
3.0% Ni
0.65% Si
0.15% Mg
Copper area is fixed at 55% package area
7.790%
0.243%
0.053%
0.012%
0.444
0.0138
0.003
0.0007
Notes:
The values listed above are nominal values based on studies of representatives of this particular package type, and are believed to be as accurate as possible.
Constituent substances and proportions in epoxy materials are before curing.
The information provided above is representative of the package as of the date listed, and is subject to change at any time.
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Rev. C1