參數(shù)資料
型號(hào): W78C51D
廠商: WINBOND ELECTRONICS CORP
英文描述: BOX 2.13X1.38X.58 TRANS BLU
中文描述: 8位微控制器
文件頁(yè)數(shù): 17/18頁(yè)
文件大?。?/td> 255K
代理商: W78C51D
Preliminary W78C51D
Publication Release Date: January 1999
- 17 -
Revision A1
PACKAGE DIMENSIONS
40-pin DIP
Seating Plane
1. Dimension D Max. & S include mold flash or
tie bar burrs.
2. Dimension E1 does not include interlead flash.
3. Dimension D & E1 includ.
are determined at the mold parting line.
4. Dimension B1 does not include dambar
6. General appearance spec. should be based on
final visual inspection spec.
1.372
1.219
0.054
0.048
Notes:
Symbol
Min.
Nom.
Max.
Max.
Nom.
Min.
Dimension in inch
Dimension in mm
0.050
1.27
0.210
5.334
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
A
A
A
B
B
1
c
D
E
E
1
e
L
a
A
S
1
2
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.
5. Controlling dimension: Inches.
15
0
e
A
A
a
c
E
Base Plane
1
A
1
e
L
A
S
1
E
D
1
B
B
40
21
20
1
2
44-pin PLCC
44
40
39
29
28
18
17
7
6
1
L
c
1
b
2
A
H
D
D
e
b
E
H
E
y
A
A
1
Seating Plane
D
G
G
E
Symbol
Min. Nom.
Max.
Max.
Nom.
Min.
Dimension in inch
Dimension in mm
A
A
A
b
1
e
G
D
H
E
L
y
b
c
D
E
1
2
H
D
G
E
Notes:
1. Dimension D & E do not include interlead
on final visual inspection spec.
4. General appearance spec. should be based
3. Controlling dimension: Inches
protrusion/intrusion.
2. Dimension b1 does not include dambar
flash.
0.020
0.145
0.026
0.016
0.008
0.648
0.590
0.680
0.090
0.150
0.028
0.018
0.010
0.653
0.610
0.690
0.100
0.050
BSC
0.185
0.155
0.032
0.022
0.014
0.658
0.630
0.700
0.110
0.004
0.508
3.683
0.66
0.406
0.203
16.46
14.99
17.27
2.296
3.81
0.711
0.457
0.254
16.59
15.49
17.53
2.54
1.27
4.699
3.937
0.813
0.559
0.356
16.71
16.00
17.78
2.794
0.10
BSC
16.71
16.59
16.46
0.658
0.653
0.648
16.00
15.49
14.99
0.630
0.610
0.590
17.78
17.53
17.27
0.700
0.690
0.680
θ
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