- DAQCard E Series User Manual Multifunction I/O Cards for PCMCIA

Appendix A Specifications for DAQCard-AI-16E-4
 National Instruments Corporation A-5 DAQCard E Series User Manual
Digital I/O
Number of channels .......................... 8 input/output
Compatibility .................................... TTL/CMOS
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 scalers........................4 bits
Compatibility .................................... TTL/CMOS
Base clocks available
Counter/timers ............................20 MHz, 100 kHz
Frequency scalers........................10 MHz, 100 kHz
Base clock accuracy .......................... ± 0.01%
Max source frequency ....................... 20 MHz
Min source pulse duration ................. 10 ns in edge-detection mode
Min gate pulse duration..................... 10 ns in edge-detection mode
Data transfers .................................... DMA, interrupts, programmed
I/O
DMA modes...................................... Single transfer
Digital logic levels ..........
Level
Min Max
Input low voltage
0 V 0.8 V
Input high voltage 2 V 5 V
Input low current
(V
in
= 0 V)
— -320 µ A
Input high current
(V
in
= 5 V)
— 10 µ A
Output low voltage
(I
OL
= 24 mA)
— 0.4 V
Output high voltage
(I
OH
= 13 mA)
4.35 V —