Preliminary W78E51B
Package Dimensions, continued
44-pin PQFP
H D
D
Dimension in mm
Dimension in inch
Symbol
A
Nom.
---
Nom.
---
Min.
---
Max. Min.
Max.
---
34
44
---
---
0.002
0.075
0.01
0.01
0.02
0.25
2.05
0.05
1.90
0.25
0.5
1
A
0.081 0.087
2.20
0.45
A
b
c
2
33
1
0.014
0.006
0.394
0.394
0.031
0.520
0.520
0.031
0.018
0.010
0.398
0.35
0.101
9.9
0.152
10.00
0.254
0.004
0.390
10.1
10.1
0.952
13.45
13.45
0.95
1.905
0.08
7
D
E
e
9.9
0.398
0.036
0.530
0.530
0.037
10.00
0.80
0.390
0.025
0.510
E
HE
0.635
12.95
12.95
0.65
13.2
13.2
D
E
H
0.510
0.025
H
L
L
y
11
0.8
1.6
0.051 0.063 0.075
0.003
1.295
1
12
22
e
b
7
q
0
0
Notes:
1. Dimension D & E do not include interlead
flash.
c
2. Dimension b does not include dambar
protrusion/intrusion.
A
A 2
3. Controlling dimension: Millimeter
4. General appearance spec. should be based
on final visual inspection spec.
q
A 1
L
See Detail F
y
Seating Plane
L
1
Detail F
44-pin TQFP
H D
D
Dimension in inch
Dimension in mm
Symbol
A
Min. Nom. Max. Min. Nom. Max.
34
44
---
---
---
---
1.20
0.047
0.006
0.041
0.002
0.037
0.004
0.039
0.10
1.00
0.05
0.95
0.15
1.05
1
A
2
A
33
1
0.0039 0.013
0.22
0.090
9.9
0.38
0.015
0.008
0.398
0.32
---
b
c
D
E
e
0.200
0.004
0.390
---
0.394
10.00
10.1
10.1
0.952
12.10
12.10
0.75
---
9.9
0.394
0.031
0.472
0.472
0.024
0.039
0.398
0.390
0.025
0.468
10.00
0.80
E
HE
0.036
0.476
0.635
11.90
11.90
0.45
---
12.00
12.00
0.60
D
H
0.468
0.018
---
0.476
0.030
---
E
H
11
L
1.00
1
L
0.003
7
0.08
7
y
q
12
22
e
b
0
0
Notes:
1. Dimension D & E do not include interlead
flash.
c
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.
A
A 2
A 1
q
L
See Detail F
y
Seating Plane
L 1
Detail F
- 22 -
WINBOND [ WINBOND ]
