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参数资料
| 型号： | W24257C-70LL |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | SRAM |
| 英文描述： | 32K X 8 STANDARD SRAM, 70 ns, PDIP28 |
| 封装： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件页数： | 2/11页 |
| 文件大小： | 211K |
| 代理商： | W24257C-70LL |
Preliminary W24257C
- 10 -
Package Dimensions, continued
28-pin SO Wide Body
2
1
A
28
15
14
1
e
S
E
H
b
Seating Plane
A A
y
L
e
c
See Detail F
D
E
1
e
Detail F
1. Dimension D Max. & S include mold flash
or tie bar burrs.
2. Dimension b does not include dambar
protrusion/intrusion.
3. Dimension D & E include mold mismatch
and determined at the mold parting line.
.
0.25
0.20
0.010
0.008
Notes:
Symbol
Min. Nom.
Max.
Nom.
Min.
Dimension in Inches
Dimension in mm
A
b
c
D
e
HE
L
y
A
L E
1
2
E
0.014
0.36
0.112
2.85
0.004
0.093
0.014
0.098
0.016
0.103
0.020
2.36
0.36
0.10
2.49
0.41
2.62
0.51
0.059
0.004
0
10
0.713
0.067
0.733
0.075
1.50
18.11
1.70
18.62
1.91
0.477
0.465
0.453
12.12
11.81
11.51
10
0
0.10
8.53
8.41
8.28
0.336
0.331
0.326
0.71
0.91
1.12
0.028
0.036
0.044
4. Controlling dimension: Inches.
5. General appearance spec should be based
on final visual inspection spec.
1.12
1.27
1.42
0.044
0.050
0.056
S
1.19
0.047
θ
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
HE
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. Dimension 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. Dimension 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| W24257K70LL | 制造商:WINBOND 功能描述:New |
| W24257Q-70L | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x8 SRAM |
| W24257Q-70LE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x8 SRAM |
| W24257Q-70LL | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x8 SRAM |
| W24257S-70L | 制造商:未知厂家 制造商全称:未知厂家 功能描述:x8 SRAM |
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