National Instruments DAQCard-6533, User Manual

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© National Instruments Corporation A-1 NI 653X User Manual
A
Specifications
This appendix lists features and specifications for the NI 653 X devices and
the NI PCI/PXI-7030/6533. Specifications are typical at 25
°
C unless
otherwise noted.
Digital I/O
Number of channels ............................... 32 input/output;
4 dedicated output and control;
4 dedicated input and status
Compatibility ......................................... TTL/CMOS (standard or
open collector)
Hysteresis ............................................... 500 mV
Digital logic levels
Level Min Max
Input low voltage 0 V 0.8 V
Input high voltage 2 V 5 V
Input low current for data lines
(V
in
= 0.4 V)
DPULL high
DPULL low
—
— –70
µ
A
–10
µ
A
Input high current for data lines
(V
in
= 2.4 V)
DPULL high
DPULL low —
— 10
µ
A
40
µ
A
Input low current for control lines
(V
in
= 0.4 V)
CPULL high
CPULL low —
— –2.5 mA
–200
µ
A