AppendixA Specificationsfor PCI and PXI Buses
©NationalInstruments Corporation A-7 6023E/6024E/6025EUser Manual
Digital I/O
Numberof channels
6025E.............................................. 32 input/output
6023Eand 6024E ............................8 input/output
Compatibility......................................... TTL/CMOS
DIO<0..7>
Digitall ogic levels
Power-onstate ........................................ 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
Digitall ogic levels
Level Min Max
Inputl owvoltage
Input high voltage
Inputlow current (Vin =0V)
Inputhigh current (Vin =5V)
0V
2V
0.8 V
5V
320 µA
10 µA
Output lowvoltage (IOL =24mA)
Output high voltage (IOH=13mA)
4.35V
0.4 V
Level Min Max
Input lowvoltage
Input high voltage
Input lowcurren t (Vin=0V,100kpullup)
Input high current (Vin=5V,100kpullup)
0V
2.2V
0.8 V
5V
75 µA
10µA
Output lowvoltage (IOL =2.5mA)
Output high voltage (IOH=2.5mA)
3.7V
0.4 V