W541E20X Datasheet, PDF (13/14 Pages) Winbond – 4 BIT FLASH EPROM MICROCONTROLLER

Package Dimensions, continued
28-Lead SOP (300 mil)
28
Preliminary W541E20X
15
c
E HE
1
Y
SEATING PLANE
14
D
A
e
b
A1
Control demensions are in milmeters .
Symbol
A
A1
b
c
E
D
e
HE
Y
L
θ
Dimension in mm
Min.
Max.
2.35
0.10
0.33
2.65
0.30
0.51
0.23
0.32
7.40
17.70
7.60
18.10
1.27 BSC
10.00
10.65
0.10
0.40
1.27
0
8
Dimension in Inches
Min.
0.093
0.004
0.013
Max.
0.104
0.012
0.020
0.009
0.291
0.697
0.013
0.299
0.713
0.050 BSC
0.394
0.419
0.004
0.016 0.050
0
8
L
0.25
θ
GAUGE PLANE
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Publication Release Date: June 2003
Revision A2