W49F020-70B Просмотр технического описания (PDF) - Winbond
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W49F020-70B Datasheet PDF : 21 Pages
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Preliminary W49F020
PACKAGE DIMENSIONS
32-pin P-DIP
32
E1
1
S
A A2
L
D
B
e1
B1
17
16
E
A1 Base Plane
Seating Plane
a
eA
Dimension in inches Dimension in mm
Symbol
Min. Nom. Max. Min. Nom. Max.
A
0.210
5.33
A 1 0.010
0.25
A 2 0.150 0.155 0.160 3.81 3.94 4.06
B
0.016 0.018 0.022 0.41 0.46 0.56
B 1 0.048 0.050 0.054 1.22 1.27 1.37
c
0.008 0.010 0.014 0.20 0.25 0.36
D
1.650 1.660
41.91 42.16
E
0.590 0.600 0.610 14.99 15.24 15.49
E1
0.545 0.550 0.555 13.84 13.97 14.10
e1
0.090 0.100 0.110 2.29 2.54 2.79
L
0.120 0.130 0.140 3.05 3.30 3.56
a
0
15
0
15
eA
0.630 0.650 0.670 16.00 16.51 17.02
S
0.085
2.16
Notes:
1.Dimensions D Max. & S include mold flash or
c
tie bar burrs.
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.
32-pin PLCC
4
5
HE
E
1 32
30
29
D HD
13
14
21
20
L
θ
Seating Plane
e
b
b1
GE
A2 A
A1
y
GD
c
Symbol
A
A1
A2
b1
b
c
D
E
e
GD
GE
HD
HE
L
y
θ
Dimension in Inches
Min. Nom. Max.
0.140
0.020
0.105 0.110 0.115
0.026 0.028 0.032
0.016 0.018 0.022
0.008 0.010 0.014
0.547 0.550 0.553
0.447 0.450 0.453
0.044 0.050 0.056
0.490
0.390
0.51
0
0.410
0.530
0.430
0.585 0.590 0.595
0.485
0.075
0.49
0
0.090
0.495
0.095
0.004
0°
10°
Dimension in mm
Min. Nom. Max.
3.56
0.50
2.67
2.80
2.93
0.66
0.71
0.81
0.41
0.46
0.56
0.20
0.25
0.35
13.89 13.97 14.05
11.35 11.43 11.51
1.12
1.27
1.42
12.45
9.91
12.9
5
10.41
13.46
10.92
14.86 14.99 15.11
12.32 12.45 12.57
1.91
2.29
2.41
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 sepc.
- 19 -
Publication Release Date: October 1999
Revision A1
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