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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
(V
in
= 0.4 V)
DPULL high
DPULL low
—
—
–70 µA
–10 µA
Input high current for
data lines
(V
in
= 2.4 V)
DPULL high
DPULL low
—
—
10 µA
40 µA
Input low current for
control lines
(V
in
= 0.4 V)
CPULL high
CPULL low
—
—
–2.5 mA
–200 µA
Input high current for
control lines
(V
in
= 2.4 V)
CPULL high
CPULL low
—
—
200 µA
1.4 mA
Input low current for
CPULL/DPULL
(V
in
= 0.4 V) — 4 µA
Input high current for
CPULL/DPULL
(V
in
= 2.4 V) — 140 µA