THREE-STATE (TRI-STATE) BUFFER
-
D Has 3 States
:
·
High (1)
·
Low (0)
·
High Impidance
Copen circuit (
In
Out C In Out
D E
-
-
&
O High Imp
.
I
S I
High Imp .
Control
E
F I S S
I control
I I I
8 A is 1
,
depends
-
↓ Y
↓ s on
G control = 1 in put
=s ~> MI . .
-
-
& Y H I
↓
.
.
G
control = G
(High impedance ,
O
and I can Reach
nor
output)
,
-
D Has 3 States
:
·
High (1)
·
Low (0)
·
High Impidance
Copen circuit (
In
Out C In Out
D E
-
-
&
O High Imp
.
I
S I
High Imp .
Control
E
F I S S
I control
I I I
8 A is 1
,
depends
-
↓ Y
↓ s on
G control = 1 in put
=s ~> MI . .
-
-
& Y H I
↓
.
.
G
control = G
(High impedance ,
O
and I can Reach
nor
output)
,
