W27C4096 Datasheet, PDF (13/15 Pages) Winbond – 256K X 16 ELECTRICALLY ERASABLE EPROM

Preliminary W27C4096
PACKAGE DIMENSIONS
40-pin PDIP
40
E1
1
S
A A2
L
D
B
e1
B1
21
20
E
A1
Base Plane
Seating Plane
a
eA
Symbol
A
A1
A2
B
B1
c
D
E
E1
e1
L
a
eA
S
Dimension in inches
Min. Nom. Max.
0.210
0.010
0.150 0.155 0.160
0.016 0.018 0.022
0.048 0.050 0.054
0.008 0.010 0.014
2.055 2.070
0.590 0.600 0.610
0.540 0.545 0.550
0.090 0.100 0.110
0.120 0.130 0.140
0
15
0.630 0.650 0.670
0.090
Dimension in mm
Min. Nom. Max.
5.33
0.25
3.81 3.94 4.06
0.41 0.46 0.56
1.22 1.27 1.37
0.20 0.25 0.36
52.20 52.58
14.99 15.24 15.49
13.72 13.84 13.97
2.29 2.54 2.79
3.05 3.30 3.56
0
15
16.00 16.51 17.02
2.29
Notes:
1. Dimensions D Max & S include mold flash or
tie bar burrs.
2. Dimension E1 does not include interlead flash.
c
3. Dimensions D & E1 include mold mismatch and
are determined at the mol.d 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.
40-pin TSOP
HD
D
1
Me
0.10(0.004)
b
θ
L
L1
c
E
A
A2
A1
Y
Dimension in Inches Dimension in mm
Symbol
Min. Nom. Max. Min. Nom. Max.
A
0.047
1.20
A¹ 0.002
0.006 0.05
0.15
A 2 0.037 0.039 0.041 0.95 1.00 1.05
b 0.007 0.009 0.011 0.17 0.22 0.27
c 0.004 0.006 0.008 0.10 0.15 0.20
D 0.72 0.724 0.728 18.3 18.4 18.5
E ^{0.390 0.394 0.398 9.90 10 10.10}
H D 0.780 0.787 0.795 19.8 20.0 20.2
e
0.020
0.50
L 0.020 0.024 0.028 0.50 0.60 0.70
L1
0.031
0.8
Y 0.000
0.004 0.00
0.10
θ
0
35
0
3
5
Controlling dimension: Millimeters
- 13 -
Publication Release Date: March 1999
Revision A1