COM20019I Datasheet, PDF (60/65 Pages) SMSC Corporation – Low Cost ARCNET(ANSI 878.1) Controller with 2k X 8 On-Board RAM

Low Cost ARCNET (ANSI 878.1) Controller with 2K x 8 On-Board RAM
Chapter 9 Package Outlines
9.1 28 Pin PLCC Package Outline and Parameters
G
E
PIN NO.
J
1
A
F
B1
D3
B
D2
R
J
J
C
D1
D
A1
D IM
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. 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.
Rev. 04-15-05
Page 60
DATASHEET
SMSC COM20019I