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HARDWARE DESIGN
8284A
8284A
f
AEN1
SYSTEM----2.
AEN1
READY
SYSTEM
4
RDY1
READY
7 AEN2
~
RDY2
4
RDY1
7
AEN2
1K
+5
-=-
1K
(
RDY2
+5
-=-
Figure 3-21. Using RDYlIRDY2
to
Generate READY
Figure 3-22. Using AEN1/AEN2 to Generate READY
.....
74125
+5
l-~
1KQ
:
----'
......
......
J
J]
74LS04
74lS734
>CK
I
ClK
'"
v
K
0-
RDYTO 8284A
ClR
AlE-t>
Figure 3-23. Single Wait State Generator
3-19