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W78C58 Datasheet, PDF (21/22 Pages) Winbond – 8-BIT MICROCONTROLLER
W78C58
Package Dimensions, continued
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
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.
44-pin TQFP
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
Symbol
Dimension in inch
Dimension in mm
Min. Nom. Max. Min. Nom. Max.
A
---
---
0.047 ---
--- 1.20
A1
0.002 0.004 0.006 0.05 0.10 0.15
A2
0.037 0.039 0.041 0.95 1.00 1.05
b
0.0039 0.013 0.015 0.22 0.32 0.38
c
0.004
--- 0.008 0.090 ---
0.200
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
HE
L
L1
y
0.468
0.468
0.018
---
0.472
0.472
0.024
0.039
0.476
0.476
0.030
---
0.003
11.90
11.90
0.45
---
12.00
12.00
0.60
1.00
12.10
12.10
0.75
---
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.
- 21 -
Publication Release Date: December 1997
Revision A5