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COM20020-5 Datasheet, PDF (55/58 Pages) SMSC Corporation – Universal Local Area Network Controller with 2K x 8 On-Board RAM
G
E
PIN NO.
J
1
A
F
B1
D3
B
D2
R
J
J
C
D1
D
A1
DIM
28L
NOTES:
A
.160-.180
A1 .090-.120
B
.013-.021
B1 .026-.032
C
.020-.045
D
.485-.495
D1 .450-.456
D2 .390-.430
D3 .300 REF
E
.050 BSC
F
.042-.056
G
.042-.048
J
.000-.020
R
.025-.045
1. All dimensions are in inches.
2. Circle indicating pin 1 can appear on a top surface as shown on the drawing or
right above it on a beveled edge.
FIGURE 18 - 28-PIN PLCC PACKAGE DIMENSIONS
55