W79E825A Datasheet, PDF (123/127 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E825A/824A/823B/822B Data Sheet
29 PACKAGE DIMENSIONS
29.1 20-pin SOP
20
11
c
E H_E
1
10
D
Y
SEATING PLANE
A
e
b
A1
Control demensions are in milmeters .
SYMBOL
A
A1
b
c
E
D
e
H_E
Y
L
θ
DIMENSION IN MM
MIN.
MAX.
2.35
2.65
0.10
0.30
0.33
0.51
0.23
0.32
7.40
12.60
7.60
13.00
1.27 BSC
10.00 10.65
0.10
0.40
1.27
0
8
DIMENSION IN INCH
MIN.
0.093
MAX.
0.104
0.004
0.013
0.012
0.020
0.009
0.291
0.013
0.299
0.496
0.512
0.050 BSC
0.394
0.419
0.004
0.016
0
0.050
8
Figure 29-1: 20L SOP-300mil
L
O
0.25
GAUGE PLANE
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Publication Release Date: February 21, 2008
Revision A9