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Hitachi MB-6890 Service Manual page 27

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Table
5-3
EB IEIEIEI
EI III
I I I
IIIIII
IEIIEI
I
l1llIl
LL
l=
IIIIEI-B
E
L
Q~»
H
+I
H
D
0
5-25
HDHESSSVEQ
(Quadruple
Exclusive
2-input
(SV)
Vcc
38
48
4A
4Y
|4f
?v| Lo? is:
Lai
Ve;
|4i A5:
|
3
2
IA
I8
IY
2A
2B
S-25
Input
Output
Input
D D - Y
L
L
a
H
H
5-27
All manuals and user guides at all-guides.com
rising
edge,
+...
Previous
Q ..Q
o
D
input
if
Even
of
clock
edge
as
H
+L
Q
is
5-26
Gates)
OR
-OR
3A
3Y
s
|1
s
ZY
GND
Output
L
_
|
L
L
H~
H
H
L
H
L
"L"
"H"
X...
or
of
state
Q,
Qo...Q
maintainsprevious
output
changes,
rise.
does
not
CK
does
not
change
even
H
period.
OF
consiStS
4
pieces
is
I/O
table
gate
possible
of
Previous
state
Q
condition
if
when
D
changes
CK
exclusive
of
2
input
fig
5-27.
as
per

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