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W79E201 Datasheet, PDF (79/87 Pages) Winbond – 8-BIT MICROCONTROLLER
W79E201
25. PACKAGE DIMENSIONS
44-pin QFP
44
1
HD
D
34
11
12
e
b 22
33
E HE
Seating Plane See Detail F
A2 A
A1
y
c
θ
L
L1
Detail F
44-pin PLCC
6
7
HD
D
1 44
40
39
E
HE
17
18
29
28
L
θ
Seating Plane
e
b
b1
GD
A2 A
A1
y
GE
c
Dimension in inch
Dimension in mm
Symbol Min. Nom. Max. Min. Nom. Max.
A
---
---
---
---
---
---
A1
0.002 0.01 0.02 0.05 0.25 0.5
A2
0.075 0.081 0.087 1.90 2.05 2.20
b
0.01 0.014 0.018 0.25 0.35 0.45
c
0.004 0.006 0.010 0.101 0.152 0.254
D
0.390 0.394 0.398 9.9 10.00 10.1
E
0.390 0.394 0.398 9.9 10.00 10.1
e
0.025 0.031 0.036 0.635 0.80 0.952
HD
0.510 0.520 0.530 12.95 13.2 13.45
HE
0.510 0.520 0.530 12.95 13.2 13.45
L
0.025 0.031 0.037 0.65 0.8 0.95
L1
0.051 0.063 0.075 1.295 1.6 1.905
y
0.003
0.08
θ
0
7
0
7
Notes:
1. Dimension D & E do not include interlead
flash.
2. Dimension b does not include dambar
protrusion/intrusion.
3. Controlling dimension: Millimeter
4. General appearance spec. should be based
on final visual inspection spec.
Symbol
A
A1
A2
b1
b
c
D
E
e
GD
GE
HD
HE
L
y
Dimension in inches
Dimension in mm
Min. Nom. Max. Min. Nom. Max.
0.185
4.699
0.020
0.508
0.145 0.150 0.155 3.683 3.81 3.937
0.026 0.028 0.032 0.66 0.711 0.813
0.016 0.018 0.022 0.406 0.457 0.559
0.008 0.010 0.014 0.203 0.254 0.356
0.648 0.653 0.658 16.46 16.59 16.71
0.648 0.653 0.658 16.46 16.59 16.71
0.050 BSC
1.27 BSC
0.590 0.610 0.630 14.99 15.49 16.00
0.590 0.610 0.630 14.99 15.49 16.00
0.680 0.690 0.700 17.27 17.53 17.78
0.680 0.690 0.700 17.27 17.53 17.78
0.090 0.100 0.110 2.296 2.54 2.794
0.004
0.10
Notes:
1. Dimension D & E do not include interlead
flash.
2. Dimension b1 does not include dambar
protrusion/intrusion.
3. Controlling dimension: Inches
4. General appearance spec. should be based
on final visual inspection spec.
- 79 -
Publication Release Date: December 16, 2004
Revision A2