Rainbow Electronics W27E512 - Manual (Page 15)

W27E512
Publication Release Date: November 1999
- 15 - Revision A8
Package Dimensions, continued
28-pin Standard Type One TSOP
A
A
A
2
1 L
L
1
Y
c
E
H
D
D
b
e
Controlling dimension: Millimeters
Min.
Dimension In Inches
Nom. Max. Min. Nom. Max.
Symbol
1.20
0.05 0.15
1.05 1.00 0.95
0.17
0.10
11.70
7.90
13.20
0.50
0.00
0
0.20 0.27
0.15 0.21
11.80 11.90
8.00 8.10
13.40 13.60
0.55
0.60 0.70
0.25
0.10
3 5
0.047
0.006
0.041 0.040 0.035
0.007 0.008 0.011
0.004 0.006 0.008
0.461 0.465 0.469
0.311 0.315 0.319
0.520 0.528 0.536
0.022
0.020 0.024 0.028
0.010
0.000 0.004
0 3 5
0.002 A
A
b
c
D
E
e
L
L
Y
1
1
2
A
H D
θ
Dimension In mm
θ
1
32-pin PLCC
L
c
1 b
2 A
H
E
E
e b
D H D
y
A
A 1
Seating Plane
E G
G D
1
13
14 20
29
32 4
5
21
30
Notes:
Symbol Min. Nom. Max. Max. Nom. Min.
Dimension in Inches Dimension in mm
A
b
c
D
e
H
E
L
y
A
A 1
2
E
b 1
G D
3.56
0.50
2.80 2.67 2.93
0.71 0.66 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
1.27
H D
G
E
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
0.004
0.095 0.090 0.075
0.495 0.49
0 0.485
0.595 0.590 0.585
0.430 0.410 0.390
0.530 0.510 0.490
0.050
0.453 0.450 0.447
0.553 0.550 0.547
0.014 0.010 0.008
0.022 0.018 0.016
0.032 0.026 0.028
0.115 0.105 0.110
0.020
0.140
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.
1.12 1.42 0.044 0.056
0 10 10 0
0.10
2.41
θ
θ