National Instruments NI PXI-7831R User Manual page 50

Digital I/O
Reconfigurable FPGA
© National Instruments Corporation
Number of channels
NI PXI-7831R................................. 96 input/output
Compatibility ......................................... TTL
Digital logic levels
Level
Input low voltage (V
Input high voltage (V
Output low voltage (V
where I = –I (sink)
OUT max
Output high voltage (V
where I = I (source)
OUT max
Maximum output current
Driver Type (Software Selectable)
Default
Slow
Fast
Power-on state........................................ Programmable, by line
Data transfers ......................................... Interrupts, programmed I/O
Protection
Input ................................................ –0.5 to 7.0 V
Output ............................................. Short-circuit (up to eight lines
Number of logic slices ........................... 5, 120
Equivalent number of logic cells .... 11, 520
Available embedded RAM..................... 16, 384 KB
Timebase ................................................ 40 MHz
)
IL
)
IH
),
OL
),
OH
I
may be shorted at a time)
A-5
Appendix A Specifications
Min Max
0.0 V 0.8 V
2.0 V 5.5 V
— 0.4 V
2.4 V
(Source) I
max max
5.4 mA 5.0 mA
1.9 mA 1.9 mA
16 mA 14 mA
NI PXI-7831R User Manual
—
(Sink)