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參數(shù)資料
| 型號： | W24257ACS-10 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | SRAM |
| 英文描述： | 32K X 8 STANDARD SRAM, 10 ns, PDSO28 |
| 封裝： | 0.330 INCH, SOP-28 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 149K |
| 代理商： | W24257ACS-10 |
W24257AC
- 8 -
PACKAGE DIMENSIONS
28-pin P-DIP Skinny
1. Dimensions D Max. & S include mold flash or
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.
6. General appearance spec. should be based on
final visual inspection spec.
1.63
1.47
0.064
0.058
Notes:
Symbol
Min.
Nom.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
0.060
1.52
0.175
4.45
0.010
0.125
0.016
0.130
0.018
0.135
0.022
3.18
0.41
0.25
3.30
0.46
3.43
0.56
0.008
0.120
0.370
0.010
0.130
0.014
0.140
0.20
3.05
0.25
3.30
0.36
3.56
0.293
0.288
0.283
7.44
7.32
7.19
9.40
7.87
7.62
8.13
0.310
0.300
0.320
2.29
2.54
2.79
0.090
0.100
0.110
A
B
c
D
e
A
L
S
A
1
2
E
B 1
1
e
E 1
a
1.388
1.400
35.26
35.56
0°
15°
0.055
1.40
0.350
0.330
8.38
8.89
15°
0°
4. Dimension B1 does not include dambar
protrusion/intrusion.
5. Controlling dimension: Inches.
e
A
a
c
E
Base Plane
Mounting Plane
1
A
1
e
L
A
S
1
E
D
1
B
28
15
1
14
2
28-pin Small Outline J Band
1
y
1
e
s
1
b
c
L
e
Seating Plane
1
2
A
D
E
H
E
14
15
28
c
0.36
0.20
0.014
0.008
Symbol
Min. Nom.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
A
b
c
D
e
H E
L
y
θ
A
S
1
2
E
0.010
0.25
0.140
3.56
0.027
0.095
0.016
0.100
0.018
0.105
0.022
2.41
0.41
0.69
2.54
0.46
2.67
0.56
0.077
0.004
0
10
0.710
0.087
0.730
0.097
1.96
18.03
2.21
18.54
2.46
0.285
0.265
0.245
7.24
6.73
6.22
0
0.10
7.75
7.62
7.49
0.305
0.300
0.295
8.31
8.56
8.81
0.327
0.337
0.347
1. Dimensions D Max. & S include mold flash
or tie bar burrs.
2. Dimension b does not include dambar
protrusion/intrusion.
4. Controlling dimension: Inches.
5. General appearance spec. should be based
on final visual inspection spec.
Notes:
3. Dimensions D & E include mold mismatch
and are determined at the mold parting line.
e
b 1
0.81
0.71
0.66
0.032
0.028
0.026
0.044
0.050
0.056
1.12
1.27
1.42
0.045
1.14
10
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