SMSC COM20020 Bedienungsanleitung PDF herunterladen (Seite 57)

57

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

1 2 ... 52 53 54 55 56 57 58 59 60

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