W78E54
Package Dimensions, continued
44-pin PLCC
H
D
D
1
6
44
40
Dimension in inches
Dimension in mm
Symbol
A
Nom.
Nom.
Min.
Max.
0.185
Min.
Max.
4.699
7
39
0.020
0.145
0.026
0.508
3.683
0.66
A
A
b
b
c
D
E
e
1
2
1
0.150
0.028
3.81
3.937
0.813
0.559
0.356
16.71
16.71
0.155
0.032
0.022
0.014
0.711
0.406
0.203
16.46
16.46
0.016
0.008
0.018
0.010
0.457
0.254
H E
G E
E
16.59
16.59
0.648
0.648
0.653
0.653
0.658
0.658
0.050
BSC
1.27
BSC
0.590
0.590
0.680
0.680
0.090
14.99
14.99
17.27
17.27
2.296
15.49
15.49
17.53
17.53
2.54
16.00
16.00
17.78
17.78
2.794
0.10
17
29
0.610
0.610
0.690
0.690
0.100
0.630
0.630
0.700
0.700
0.110
0.004
G
G
H
H E
L
D
E
D
18
28
c
y
L
Notes:
A
2
A
1. Dimension D & E do not include interlead
flash.
2. Dimension b1 does not include dambar
q
e
b
A 1
protrusion/intrusion.
3. Controlling dimension: Inches
4. General appearance spec. should be based
on final visual inspection spec.
b 1
y
Seating Plane
G
D
44-pin QFP
H D
Dimension in mm
Dimension in inch
Symbol
D
Nom.
---
Nom.
---
Min.
---
Max. Min.
Max.
---
34
44
---
---
A
A
A
b
0.002
0.01
0.02
0.25
2.05
0.05
1.90
0.25
0.5
1
2
0.081 0.087
2.20
0.45
0.075
0.01
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
c
10.1
10.1
0.952
13.45
13.45
0.95
1.905
0.08
7
D
E
e
H
H
L
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
0.510
0.025
E
11
0.8
1.6
0.051 0.063 0.075
0.003
1.295
1
L
y
12
22
e
b
7
0
0
q
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
1
A
L
y
See Detail F
Seating Plane
L
1
Detail F
- 22 -
WINBOND [ WINBOND ]
