w78e051c Winbond Electronics Corp America, w78e051c Datasheet - Page 21

• Manufacturer Part Number: w78e051c
• Description: 8-bit Microcontroller
• Manufacturer: Winbond Electronics Corp America

10. PACKAGE DIMENSIONS
10.1 40-pin DIP
10.2 44-pin PLCC
E
1
L
A
A
2
40
1
S
L
Seating Plane
17
7
θ
18
6
e
B
B
G
H
D
1
1
D
D
D
44
b
b
1
e
1
40
28
29
39
A
E
A
2
1
A
H
E
21
20
y
A
1
Base Plane
Seating Plane
- 21 -
c
a
G
E
e
E
A
Publication Release Date: November 10, 2006
W78E51C/W78E051C
c
Notes:
Symbol
1. Dimension D & E do not include interlead
2. Dimension b1 does not include dambar
3. Controlling dimension: Inches
4. General appearance spec. should be based
A
A
b
b
D
G
A
c
E
e
G
H
H
L
y
protrusion/intrusion.
flash.
on final visual inspection spec.
Notes:
1
2
1
E
Symbol
D
D
E
1. Dimension D Max. & S include mold flash or
2. Dimension E1 does not include interlead flash.
3. Dimension D & E1 include mold mismatch and
4. Dimension B1 does not include dambar
5. Controlling dimension: Inches.
6. General appearance spec. should be based on
A
A
B
c
D
E
E
e
L
a
e
S
A
B
are determined at the mold parting line.
tie bar burrs.
protrusion/intrusion.
final visual inspection spec.
A
1
2
1
1
1
Dimension in inch
0.020
0.145
0.026
0.016
0.008
0.648
0.648
0.590
0.590
0.680
0.680
0.090
Min. Nom. Max.
0.050
Dimension in inch
0.010
0.150
0.016
0.048
0.008
0.540
0.090
0.120
0.590
0.630
Min. Nom. Max.
0.150
0.028
0.018
0.010
0.653
0.653
0.610
0.610
0.690
0.690
0.100
0
BSC
0.155
0.018
0.050
0.010
2.055
0.600
0.100
0.130
0.650
0.545
0.185
0.155
0.032
0.022
0.014
0.658
0.658
0.630
0.630
0.700
0.700
0.110
0.004
0.160
0.022
0.610
0.110
0.140
.
0.210
0.054
0.014
2.070
0.550
0.670
0.090
15
0.508
0.406
0.203
16.46
16.46
14.99
14.99
17.27
17.27
2.296
3.683
Dimension in mm
0.66
Min.
1.27
14.986
2.286
3.048
16.00
Dimension in mm
13.72
3.81
0.406
1.219
0.254
0.203
Min.
0.457
16.59
16.59
15.49
15.49
0.711
0.254
17.53
17.53
Nom.
3.81
0
2.54
BSC
Nom.
52.20
15.24
13.84
3.302
16.51
3.937
0.457
1.27
0.254
2.54
3.937
4.699
16.71
16.71
16.00
16.00
17.78
17.78
2.794
0.813
0.559
Revision A4
0.356
Max.
0.10
15.494
52.58
5.334
4.064
0.559
1.372
0.356
13.97
2.794
3.556
17.01
Max.
2.286
15