Appendix A Specifications
DIO 6533 User Manual A-2 © National Instruments Corporation
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
(Vin = 0.4 V)
DPULL high
DPULL low —
—–70 µA
–10 µA
Input high current for
data lines
(Vin = 2.4 V)
DPULL high
DPULL low —
—10 µA
40 µA
Input low current for
control lines
(Vin = 0.4 V)
CPULL high
CPULL low —
—–2.5 mA
–200 µA
Input high current for
control lines
(Vin = 2.4 V)
CPULL high
CPULL low —
—200 µA
1.4 mA
Input low current for
CPULL/DPULL
(Vin = 0.4 V) — 4 µA
Input high current for
CPULL/DPULL
(Vin = 2.4 V) — 140 µA