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Appendix
A
Specifications
This appendix lists the specifications for the DAQCard-DIO-24. These
specifications are typical at 25° C, unless otherwise stated. The
operating temperature range is 0° to 70° C.
I/O Connector
I/O Signals Rating
Absolute max voltage input rating ...... 0.5 to +5.5 V with respect
to GND
Input Signals
Pins 1–24
Level
Min
Max
Input logic high voltage
2.2 V
5.3 V
Input logic low voltage
–0.3 V
0.8 V
Input current (0 < Vin < +5 V)
–1.0 µA
1.0 µA
Output Signals
Pin 25 (at +5 V) ..................................1.0 A max
© National Instruments Corporation
A-1
DAQCard-DIO-24 User Manual