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
