COM20019 Datasheet, PDF (71/81 Pages) SMSC Corporation – Low Cost ARCNET (ANSI 878.1) 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
D IM
28L
NOTES:
A
.1 6 0 -.1 8 0
A1
.0 9 0 -.1 2 0
B
.0 1 3 -.0 2 1
B1
.0 2 6 -.0 3 2
C
.0 2 0 -.0 4 5
D
.4 8 5 -.4 9 5
D1
.4 5 0 -.4 5 6
D2
.3 9 0 -.4 3 0
D3
.300 REF
E
.050 BSC
F
.0 4 2 -.0 5 6
G
.0 4 2 -.0 4 8
J
.0 0 0 -.0 2 0
R
.0 2 5 -.0 4 5
1. All dimensions are in inches.
2. C ircle indicating pin 1 can appear on a top surface as show n on the draw ing or
right above it on a beveled edge.
FIGURE 21 - 28 PIN PLCC PACKAGE DIMENSIONS
71
DISCONTINUED DATASHEET