Appendix A Specifications - National Instruments DAQPad-6508 User Manual

Specifications
© National Instruments Corporation
This appendix lists the specifications of the DAQPad-6507/6508 devices.
These specifications are typical at 25° C, unless otherwise stated. The
operating temperature range is 0° to 70° C.
Digital I/O
Number of channels ............................... 96 I/O
Compatibility ......................................... TTL
Absolute max voltage rating .................. –0.5 to +5.5 V with respect
Handshaking........................................... Requires 1 port
Power-on state........................................ Configured as inputs, high
Data transfers ......................................... Interrupts, programmed I/O
Digital logic levels
Level
Input low voltage
Input high voltage
Input low current (V
Input high current (V
Output low voltage (I
Output high voltage (I
Input current (0 < V
to GND
(selectable on the front panel
switch)
= 0.8 V)
in
= 2.4 V)
in
= 2.5 mA)
out
= -2.5 mA)
out
< 5 V)
in
A-1
Appendix
A
Min Max
–0.3 V 0.8 V
2.2 V 5.3 V
— –1.0 µA
— 1.0 µA
0 V 0.4 V
3.7 V 5.0 V
–1.0 µA 1.0 µA
DAQPad-6507/6508 User Manual