96-Bit Parallel Digital I/O Interface User Manual

© National Instruments Corporation A-1 PCI-DIO-96 User Manual
Appendix
A
Specifications
This appendix lists the specifications for the PCI-DIO-96. These
specifications are typical at 25° C unless otherwise noted.
Digital I/O
Number of channels ............................... 96 I/O
Compatibility .........................................TTL
Reference voltage................................... +5 V
Power on state ........................................ Inputs (High-Z), pulled up
through 100 kΩ
Digital logic levels
Level Min Max
Input low voltage
Input high voltage
-0.3 V
2.2 V
0.8 V
5.3 V
Output low voltage
(I
out
= 2.5 mA)
Output high voltage
(I
out
= -40 µA)
(I
out
= -2.5 mA)
—
4.2 V
3.7 V
0.4 V
—
—