National Instruments 6023E - Manual (Page 89)

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 k
Ω pull 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
= 0 V)
Input high current (V
in
= 5 V)
0 V
2 V
—
—
0.8 V
5 V
–320
µA
10
µA
Output low voltage (I
OL
= 24 mA)
Output high voltage (I
OH
= 13 mA)
—
4.35 V
0.4 V
—
Level Min Max
Input low voltage
Input high voltage
Input low current (V
in
= 0 V, 100 k
Ω pull up)
Input high current (V
in
= 5 V, 100 k
Ω pull up)
0 V
2.2 V
—
—
0.8 V
5 V
–75
µA
10
µA
Output low voltage (I
OL
= 2.5 mA)
Output high voltage (I
OH
= 2.5 mA)
—
3.7 V
0.4 V
—