National Instruments NI 9403 - Page 11

© National Instruments Corp. 11 NI 9403 Operating Instructions and Specifications
Digital logic levels
Input
Voltage ................................. –0.25
to 5.25 V
High, V
IH
.............................. 2.2 V min
Low, V
IL
............................... 0.8 V max
Hysteresis, V
H
...................... 0.2 V min
Output
High, V
OH
............................. 5.2 V max
Sourcing 100 μA ........... 4.75 V min
Sourcing 2 mA............... 4.4 V min
Low, V
OL
Sinking 100 μA ............. 0.1 V max
Sinking 2 mA................. 0.26 V max
Input current (0 V ≤ V
in
≤ 4.5 V)...... ±250 μA max
Module output current
1
..................... 64 mA max
Input capacitance .............................. 30 pF
1
Module output current is the maximum guaranteed current that the module can drive
from all the I/O lines without going into an overcurrent state.