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Appendix A Specifications
© National Instruments Corporation A-3 DIO 6533 User Manual
Absolute max input voltage range....... –0.3 to 5 V
Power-on state for outputs ..................Tri-stated, pulled up or down
(selectable)
Data transfers......................................Programmed I/O, DMA
Strobed I/O
Pattern Generation
Direction.............................................Input or output
Modes .................................................Internally or externally timed
Output low voltage
(I
OL
= 24 mA) — 0.4 V
Output high voltage*
(I
OH
= 24 mA) 2.4 V —
* When configured as standard outputs. Drivers configured as wired-OR
outputs are tri-stated when logically high.
Level Min Max