W27C512 Datasheet, PDF (14/15 Pages) Winbond – 64K X 8 ELECTRICALLY ERASABLE EPROM

W27C512
PACKAGE DIMENSIONS
28-pin P-DIP
28
E1
1
S
A A2
L
D
15
B
e1
B1
14
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 0.058 ^0.060 0.064 ^{1.47 1.52 1.63}
c
0.008 0.010 0.014 0.20 0.25 0.36
D
1.460 1.470
37.08 37.34
E
0.590 0.600 0.610 14.99 15.24 15.49
E1
0.540 0.545 0.550 13.72 13.84 13.97
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
0.090
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 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
20
L
θ
Seating Plane
e
b
b1
GE
21
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
0.510
0.530
0.390
0.410
0.430
0.585
0.590
0.595
0.485
0.490
0.495
0.075
0.090
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
12.95
13.46
9.91
10.41
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. Dimension D & E do not include interlead flash.
2. Dimension b does not include dambar protrusion/intrusion.
3. Controlling dimension: Inches.
4. General appearance spec. should be based on final visual
inspection spec.
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