W78C354 Datasheet, PDF (43/44 Pages) Winbond – MONITOR MICROCONTROLLER

W78C354
PACKAGE DIMENSIONS
68-pin PLCC
9
10
HD
D
1 68
61
60
E HE
26
27
L
θ
Seating Plane
48-pin DIP
e
b
b1
GD
44
43
A2 A
A1
y
GE
c
Symbol
Dimension In Inches Dimension In mm
Min. Nom. Max. Min. Nom. Max.
A
0.185
4.70
A1
0.020
0.51
A2
0.143 0.148 0.153 3.63 3.76 3.89
b1
0.026 0.028 0.032 0.66 0.71 0.81
b
0.016 0.018 0.022 0.41 0.46 0.56
c
0.006 0.008 0.012 0.15 0.20 0.30
D
0.949 0.954 0.959 24.10 24.23 24.36
E
0.949 0.954 0.959 24.10 24.23 24.36
e
0.044 0.050 0.056 1.12 1.27 1.42
G D ^{0.895 0.915 0.935 22.73 23.24 23.75}
GE ^{0.895 0.915 0.935 22.73 23.24 23.75}
HD ^{0.980 0.990 1.000 24.90 25.15 25.40}
HE
0.980 0.990 1.000 24.90 25.15 25.40
L
0.090 0.100 0.110 2.29 2.54 2.79
y
0.004
0.10
θ
0
10
0
10
Notes:
1. Dimensions D & E do not include interlead
flash.
2. Dimension b1 does not include dambar
protrusion/intrusion.
3. Controlling dimension: Inches
4. General appearance spec. should be based
on final visual inspection spec.
48
E1
1
S
A A2
L
D
B
B1
e1
25
24
E
A1
Base Plane
Seating Plane
a
e_A
Symbol
Dimension In Inches
Min. Nom. Max.
Dimension In mm
Min. Nom. Max.
A
0.21
5.3
A 1 0.01
0.2
A 2 0.15 0.15 0.16 3.8 3.9 4.0
B
0.01 0.01 0.02 0.4 0.4 0.5
B _{1 0.04 0.05 0.05 1.2 1.2 1.3}
c
0.00 0.01 0.01 0.2 0.2 0.3
D
2.45 2.46
62.2 62.4
E
0.59 0.60 0.61 14.9 15.2 15.4
E 1 0.54 0.55 0.55 13.8 13.9 14.1
e 1 _{0.09 0.10 0.11 2.2 2.5 2.7}
L
0.12 0.13 0.14 3.0 3.3 3.5
a
0
15 0
15
e A _{0.63 0.65 0.67 16.0 16.5 17.0}
S
0.08
2.1
Notes:
1. Dimensions D Max. & S include mold flash or
the bar burrs.
C 2. Dimension E1 does not include interlead flash.
3. Dimensions D & E1 include mold mismatch and
are determined at the mold parting line.
4. Dimension B1 does not include dambar
protrusion/intrusion.
5. Controlling dimension: Inches.
6. General appearance spec. should be based
on final visual inspection spec.
- 43 -
Publication Release Date: October 1996
Revision A1