Preliminary W27C4096
PACKAGE DIMENSIONS
40-pin PDIP
Dimension in inches
Dimension in mm
Symbol
A
Min. Nom.
Min. Nom. Max.
0.210
Max.
5.33
0.010
0.25
1
A
A
0.150
0.016
0.048
0.008
0.155
0.018
0.050
0.010
2.055
0.600
0.545
0.100
0.130
0.160
0.022
0.054
0.014
2.070
0.610
3.81
0.41
1.22
0.20
3.94
0.46
4.06
0.56
1.37
0.36
52.58
15.49
13.97
2.79
3.56
15
2
B
B
1.27
1
0.25
c
D
E
52.20
15.24
13.84
2.54
D
0.590
0.540
0.090
14.99
13.72
40
21
0.550
0.110
1
E
e
2.29
3.05
0
1
0.140
15
3.30
0.120
0
L
a
1
E
0.630
0.670
0.090
16.00
17.02
2.29
0.650
16.51
A
e
S
20
1
Notes:
1. Dimensions D Max & S include mold flash or
tie bar burrs.
E
S
2. Dimension E1 does not include interlead flash.
c
3. Dimensions D & E1 include mold mismatch and
Base Plane
2
A
A
L
.
A1
are determined at the mold parting line.
4. Dimension B1 does not include dambar
protrusion/intrusion.
Seating Plane
B
5. Controlling dimension: Inches.
6. General appearance spec. should be based on
final visual inspection spec.
e1
eA
a
B1
40-pin TSOP
D
H
D
Dimension in Inches
Dimension in mm
Symbol
Min. Nom. Max. Min. Nom. Max.
c
A
0.047
1.20
1
1
A
0.002
0.006 0.05
0.95
0.15
2
A
0.037 0.039 0.041
1.00 1.05
e
M
0.007 0.009 0.011 0.17 0.22 0.27
0.004 0.006 0.008 0.10 0.15 0.20
0.72 0.724 0.728 18.3 18.4 18.5
b
c
E
0.10(0.004)
D
b
0.390 0.394 0.398 9.90 10
10.10
E
20.0 20.2
0.50
D
0.780 0.787 0.795
0.020
19.8
H
e
L
0.024
0.031
0.020
0.028 0.50 0.60 0.70
0.8
1
A
L
2
A
A
0.004
5
0.000
0
0.00
0
0.10
5
Y
q
q
1
L
3
3
Y
L
1
Controlling dimension: Millimeters
Publication Release Date: March 1999
Revision A1
- 13 -
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