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參數資料
型號: W921E840
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-Bit Microcontroller(4位的微控制器)
中文描述: 4-BIT, EEPROM, 4 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數: 63/64頁
文件大小: 603K
代理商: W921E840
W921E840
Publication Publication Release Date: August 1997
- 63 - Revision A1
13. PACKAGE DIMENSIONS
40-pin DIP
tie bar burrs.
2. Dimension E1 does not include interlead flash.
3. Dimension D & E1 in.
are determined at the mold parting line.
4. Dimension B1 does not include dambar
final visual inspection spec.
1.372
1.219
0.054
0.048
Note:
Symbol
Min. Nom. Max.
Max.
5.334
Nom.
Min.
Dimension in inch
Dimension in mm
A
A
A
B
B
1
c
D
E
E
1
e
L
a
A
S
1
2
0.050
1.27
0.210
0.010
0.150
0.016
0.155
0.018
0.160
0.022
3.81
0.406
0.254
3.937
0.457
4.064
0.559
0.008
0.120
0.670
0.010
0.130
0.014
0.140
0.203
3.048
0.254
3.302
0.356
3.556
0.540
0.550
0.545
13.72
13.97
13.84
17.01
15.24
14.986
15.494
0.600
0.590
0.610
2.286
2.54
2.794
0.090
0.100
0.110
1
e
2.055
2.070
52.20
52.58
0
15
0.090
2.286
0.650
0.630
16.00
16.51
protrusion/intrusion.
6.General appearance spec. should be based on
15
0
Seating Plane
e
A
2
A
a
c
E
Base Plane
1
A
1
e
L
A
S
1
E
D
1
B
B
40
21
20
1
48-pin QFP
E
H
E
y
A
A
Seating Plane
L
L
1
See Detail F
0.20
0.10
0.008
0.004
Symbol
Min. Nom. Max.
0.087
0.083
Max.
2.30
Nom.
2.20
Min.
2.10
Dimension in inch
Dimension in mm
A
A
A
b
c
D
E
e
H
D
H
E
L
L
1
y
1
2
0.006
0.15
0.090
0.008
0.008
0.013
0.017
0.20
0.20
0.33
0.40
0.390
0.061
0.098
0.003
0
7
0.394
0.066
0.398
0.072
9.90
0.75
1.55
2.50
10.00
1.70
10.10
1.85
0.398
0.394
0.390
0.600
0.590
0.580
15.25
15.00
14.75
10.10
10.00
9.90
7
0
0.75
0.024
0.036
0.126
0.110
0.60
0.90
2.79
3.20
0.002
0.05
0.35
0.014
2.00
0.080
0.030
0.580
0.590
0.600
14.75
15.00
15.25
θ
e
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