National Instruments 6508 PCI-DIO-96 - Manual (Page 71)

© 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 k
Ω
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
(Iout = 2.5 mA)
Output high voltage
(Iout = -40
µ
A)
(Iout = -2.5 mA)
—
4.2 V
3.7 V
0.4 V
—
—