National Instruments NI 9401 User Manual
Page 13
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© National Instruments Corp.
13
NI 9401 Operating Instructions and Specifications
Digital logic levels
Input
Voltage ................................. 5.25 V max
High, V
IH
.............................. 2 V min
Low, V
IL
............................... 0.8 V max
Output
High, V
OH
............................. 5.25 V max
Sourcing 100
μA ...........4.7 V min
Sourcing 2 mA............... 4.3 V min
Low, V
OL
Sinking 100
μA .............0.1 V max
Sinking 2 mA................. 0.4 V max
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