Matrix Vision mvBlueFOX, Техническое руководство, Страница: 71 / 255

64 CONTENTS
Note
If the digital input is not connected, the state of the input will be "1" (as you can see in wxPropView (p. 77)).
TTL compliant variant
Comment Min Typ Max Unit
I
IN
I
LOW
(INx) -
0.5 mA
U
IN
V
IH
3.
←
-
6
5.5 V
V
IL
-
0.
←
-
3
1.3 V
LVTTL compliant variant
Comment Min Typ Max Unit
I
IN
I
LOW
(INx) -
0.5 mA
U
IN
V
IH
2 3.8 V
V
IL
-
0.
← -
3
0.8 V
TTL input low level / high level time: Typ.
<
210ns
Digital outputs TTL
Figure 24: TTL digital outputs block diagram
Comment Min Typ Max Unit
I
OUT
Dig_out power +-32 mA
U
OUT
V
OH
(I
OUT
=32mA) 3.
← -
8
V
V
OH
5.25
V
OL
(I
OUT
=32mA) 0.55 V
V
OL
0.
← -
1
TTL output low level / high level time: Typ.
<
40ns
Opto-isolated digital inputs
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