W78C438C_06 Datasheet, PDF (21/22 Pages) Winbond – 8-BIT MICROCONTROLLER

W78C438C
9.2 100-pin QFP
100
1
HD
D
81
80
E HE
30
31
51
e
b
50
See Detail F
Seating Plane
A2 A
A1
y
c
θ
L
L1
Detail F
Symbol ^{Dimension in inches}
Dimension in mm
Min. Nom. Max. Min. Nom. Max.
A
0.130
3.30
A1
0.004
0.10
A2
0.107 0.112 0.117 2.718 2.845 2.972
b
0.010 0.012 0.016 0.254 0.305 0.407
c
0.004 0.006 0.010 0.101 0.152 0.254
D
0.546 0.551 0.556 13.87 14.00 14.13
E
0.782 0.787 0.792 19.87 20.00 20.13
e
0.020 0.026 0.032 0.498 0.65 0.802
H D ^{0.728 0.740 0.752 18.49 18.80 19.10}
HE
0.964 0.976 0.988 24.49 24.80 25.10
L
0.039 0.047 0.055 0.991 1.194 1.397
L1
0.087 0.095 0.103 2.21 2.413 2.616
y
0.004
0.102
θ
0
12
0
12
Notes:
1. Dimension D & E do not include interlead
flash.
2. Dimension b does not include dambar
protrusion/intrusion.
3. Controlling dimension: Millimeters
4. General appearance spec. should be based
on final visual inspection spec.
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Publication Release Date: December 4, 2006
Revision A6