National Instruments VXI-MIO Series - Manual (Page 101)

Appendix A Specifications for VXI-MIO-64E-1
 National Instruments Corporation A-7 VXI-MIO Series User Manual
Onboard calibration reference
Level........................................... 5.000 V (
±
0.5 mV) (actual value
stored in EEPROM)
Temperature coefficient ..............
±
0.6 ppm/
°
C max
Long-term stability .....................
±
6 ppm/
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
Digital logic levels ............
Level Min Max
Input low voltage 0 V 0.8 V
Input high voltage 2 V 5 V
Input low current
(Vin = 0 V) — -320
µ
A
Input high current
(Vin = 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 —
1, 000 h