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