W24257A
Package Dimensions, continued
28-pin SO Wide Body
Symbol
Dimension in Inches
Dimension in mm
Min. Nom. Max.
0.112
0.004
0.093
0.014
0.008
0.098
0.016
0.010
0.713
0.326
0.044
0.453
0.028
0.059
0.331
0.050
0.465
0.036
0.067
0.103
0.020
0.014
0.733
0.336
0.056
0.477
0.044
0.075
0.047
0.004
0
10
Min. Nom. Max.
2.85
0.10
2.36
0.36
0.20
2.49
0.41
0.25
18.11
8.28
1.12
11.51
0.71
1.50
8.41
1.27
11.81
0.91
1.70
2.62
0.51
0.36
18.62
8.53
1.42
12.12
1.12
1.91
1.19
0.10
0
10
28
15
e
1
E
H
E
θ
L
Detail F
1
b
14
A
A
1
A
2
b
c
D
E
e
H
E
L
L
E
S
y
θ
Notes:
D
e
1
c
A A
2
S
e
y
A
1
L
E
See Detail F
Seating Plane
1. Dimensions D Max. & S include mold flash
or tie bar burrs.
2. Dimension b does not include dambar
protrusion/intrusion.
3. Dimensions D & E include mold mismatch
and are determined .at the mold parting line.
4. Controlling dimension: Inches.
5. General appearance spec should be based
on final visual inspection spec.
28-pin Standard Type One TSOP
H
D
Symbol
Dimension in Inches Dimension in mm
Min. Nom.
Max.
0.047
0.002
0.035
0.007
0.004
0.461
0.311
0.520
0.040
0.008
0.006
0.465
0.315
0.528
0.022
0.020
0.024
0.010
0.000
0
3
0.004
5
0.00
0
3
0.028
0.50
0.006
0.041
0.011
0.008
0.469
0.319
0.536
0.05
0.95
0.17
0.10
11.70
7.90
13.20
1.00
0.20
0.15
11.80
8.00
13.40
0.55
0.60
0.25
0.10
5
0.70
D
c
A
A
1
A
2
b
c
D
E
H
D
e
L
L
1
Y
θ
Min. Nom. Max.
1.20
0.15
1.05
0.27
0.21
11.90
8.10
13.60
e
E
b
θ
L
L
1
A
1
A
2
A
Y
Note: Controlling dimension: Millimeters
- 10 -
WINBOND [ WINBOND ]
