User Manual

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=400µA
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