W77E58 查看數據表（PDF） - Winbond
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W77E58 Datasheet PDF : 85 Pages
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Preliminary W77E58
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
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
Symbol
A
A1
A2
b1
b
c
D
E
e
GD
GE
HD
HE
L
y
Dimension in inches
Min. Nom. Max.
0.185
0.020
0.145 0.150 0.155
0.026 0.028 0.032
0.016 0.018 0.022
0.008 0.010 0.014
0.648 0.653 0.658
0.648 0.653 0.658
0.050 BSC
0.590 0.610 0.630
0.590 0.610 0.630
0.680 0.690 0.700
0.680 0.690 0.700
0.090 0.100 0.110
0.004
Dimension in mm
Min. Nom. Max.
4.699
0.508
3.683 3.81 3.937
0.66 0.711 0.813
0.406 0.457 0.559
0.203 0.254 0.356
16.46 16.59 16.71
16.46 16.59 16.71
1.27 BSC
14.99 15.49 16.00
14.99 15.49 16.00
17.27 17.53 17.78
17.27 17.53 17.78
2.296 2.54 2.794
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.
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.
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