W77C58 查看數據表（PDF） - Winbond
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W77C58 Datasheet PDF : 71 Pages
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Preliminary W77C58
Package Dimensions, continued
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 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.
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.
- 70 -
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