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A.
8755A
INPUT
MODE
ROOR
'+
lOR
F---~!
c-
-r
'PR
PORT
=x
__________
~x~
__
__
INPUT
~
DATA>
- - - - - - -
)(
BUS
-------
----------------------
B.
OUTPUT
MODE
lOW
\
.;
\.
~
-J.
x
GLITCH
FREE
__________
'::
~_
/ OUTPUT
PORT
OUTPUT
_
------------
-----
DATA>
- - - - -
"""\/
BUS
_____
-A
________
X
...
____
_
<DATA
BUS
TIMING
IS
SHOWN IN
FIGURE
4.
Figure
4.
110
Port Timing
eLK
(CE=1) • (CE=O)
ALE
,
REAOY---
-
....
_-----
Figure
5.
Wait State Timing (READY = 0)
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