DAQ 6023E/6024E/6025E Multifunction I/O Devices User Manual

Table Of Contents
Appendix A Specifications for PCI and PXI Buses
© National Instruments Corporation A-7 6023E/6024E/6025E User Manual
Digital I/O
Number of channels
6025E .............................................. 32 input/output
6023E and 6024E............................ 8 input/output
Compatibility ......................................... TTL/CMOS
DIO<0..7>
Digital logic levels
Power-on state........................................ Input (High-Z),
50 kpull up to +5 VDC
Data transfers ......................................... Programmed I/O
PA<0..7>,PB<0..7>,PC<0..7>
6025E only
Digital logic levels
Level Min Max
Input low voltage
Input high voltage
Input low current (V
in
=0V)
Input high current (V
in
=5V)
0V
2V
0.8 V
5V
320 µA
10 µA
Output low voltage (I
OL
=24mA)
Output high voltage (I
OH
=13mA)
4.35 V
0.4 V
Level Min Max
Input low voltage
Input high voltage
Input low current (V
in
=0V,100k pull up)
Input high current (V
in
=5V,100k pull up)
0V
2.2 V
0.8 V
5V
75 µA
10 µA
Output low voltage (I
OL
=2.5mA)
Output high voltage (I
OH
=2.5mA)
3.7 V
0.4 V