ADLINK PXI-2006 - Manual (Page 20)

10 Introduction
Z Before calibration: ±0.8% of output max
Z
After calibration: ±0.02% of output max
X
General Purpose Digital I/O (G.P. DIO, 82C55A)
X
Number of channels: 24 programmable Input/Output
X
Compatibility: TTL/CMOS
X
Input voltage:
Z
Logic Low: VIL=0.8V max; IIL=0.2mA max.
Z
High: VIH=2.0V max; IIH=0.02mA max
X
Output voltage:
Z
Low: VOL=0.5V max; IOL=8mA max.
Z
High: VOH=2.7V min; IOH=400
µ
A
X Synchronous Digital Inputs (SDI, for DAQ/PXI-2010 only)
X
Number of channels: 8 digital inputs sampled simulta-
neously with the analog signal input
X
Compatibility: TTL/CMOS
X
Input voltage:
Z
Logic Low: VIL=0.8V max; IIL=0.2mA max.
Z Logic High: VIH=2.7V min; IIL=0.02mA max.
General Purpose Timer/Counter (GPTC)
X
Number of channel: 2 Up/Down Timer/Counters
X
Resolution: 16 bits
X
Compatibility: TTL
X
Clock source: Internal or external
X
Max source frequency: 10MHz