DAQ DAQ PCI-MIO E Series, Руководство пользователя

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Appendix A Specifications for PCI-MIO-16E-1 and PCI-MIO-16E-4
©
National Instruments Corporation A-9 PCI-MIO E Series User Manual
Digital logic levels
Power-on state........................................ Input (High-Z)
Data transfers ......................................... Programmed I/O
Timing I/O
Number of channels ............................... 2 up/down counter/timers,
1 frequency scaler
Resolution
Counter/timers................................. 24 bits
Frequency scaler ............................. 4 bits
Compatibility ......................................... TTL/CMOS
Base clocks available
Counter/timers................................. 20 MHz, 100 kHz
Frequency scaler ............................. 10 MHz, 100 kHz
Base clock accuracy ...............................
±
0.01%
Max source frequency ............................ 20 MHz
Min source pulse duration ..................... 10 ns, edge-detect mode
Min gate pulse duration ......................... 10 ns, edge-detect mode
Level Min Max
Input low voltage
Input high voltage
Input low current
(V
in
= 0 V)
Input high current
(V
in
= 5 V)
0.0 V
2.0 V
—
—
0.8 V
5.0 V
-320
µ
A
10
µ
A
Output low voltage
(I
OL
= 24 mA)
Output high voltage
(I
OH
= 13 mA)
—
4.35 V
0.4 V
—