National Instruments AT-MIO/AI E Series User Manual page 140

Appendix A Specifications for AT-MIO-16XE-50
Digital I/O
Timing I/O
AT-MIO/AI E Series User Manual
Number of channels ...........................8 input/output
Compatibility .....................................TTL/CMOS
Digital logic levels............
Power-on state ...................................Input (High-Z)
Data transfers.....................................Programmed I/O
Number of channels ...........................2 up/down counter/timers,
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
Level
Input low voltage
Input high voltage
Input low current
Input high current
Output low
voltage
(I OL = 24 mA)
Output high
voltage
(I OH = 13 mA)
1 frequency scaler
A-30
Min Max
0 V 0.8 V
2 V 5 V
— -320 A
— 10 A
— 0.4 V
4.35 V —
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