Stability, Digital i/o, Dio<0 – National Instruments 6023E User Manual
Page 98: Timing i/o
Appendix A
Specifications for PCMCIA Bus
A-16
ni.com
Stability
Offset temperature coefficient ................±50
µV/°C
Gain temperature coefficient ..................±25 ppm/°C
Digital I/O
Number of channels................................8 input/output
Compatibility ..........................................TTL/CMOS
DIO<0..7>
Digital logic levels
Power-on state.........................................Input (High-Z),
50 k
Ω pull up to +5 VDC
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
Level
Min
Max
Input low voltage
Input high voltage
Input low current (V
in
= 0 V)
Input high current (V
in
= 5 V)
0 V
2 V
—
—
0.8 V
5 V
–320
µA
10
µA
Output low voltage (I
OL
= 24 mA)
Output high voltage (I
OH
= 13 mA)
—
4.35 V
0.4 V
—