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A
A1
B
B1
C
D
D1
D2
D3
E
F
G
R
.160-.180
.090-.120
.013-.021
.026-.032
.020-.045
.485-.495
.450-.456
.390-.430
.300 REF
.050 BSC
.042-.056
.042-.048
.025-.045
DIM 28L
J .000-.020
NOTES:
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.
1.
2.
PIN NO.
1
G
E
J
D3
J
D1
D
J
B1
B
A
A1
C
D2
F
R
B
a
s
e
P
l
a
n
e
S
e
a
t
i
n
g
P
l
a
n
e
FIGURE 18 - 28-PIN PLCC PACKAGE DIMENSIONS