com20020-5 Standard Microsystems Corp., com20020-5 Datasheet - Page 55

• Manufacturer Part Number: com20020-5
• Description: Com20020-5 Ulanc Universal Local Area Network Controller With 2k X 8 On-board Ram
• Manufacturer: Standard Microsystems Corp.

2.
NOTES:
1.
All dimensions are in inches.
Circle indicating pin 1 can appear on a top surface as shown on the drawing or
right above it on a beveled edge.
G
FIGURE 18 - 28-PIN PLCC PACKAGE DIMENSIONS
J
E
D1
D
PIN NO.
1
DIM
A
A1
B
B1
C
D
D1
D2
D3
E
F
G
J
R
55
J
.160-.180
.090-.120
.013-.021
.026-.032
.020-.045
.485-.495
.450-.456
.390-.430
.300 REF
.050 BSC
.042-.056
.042-.048
.000-.020
.025-.045
D3
28L
J
B1
F
A
A1
C
B
R
D2