ADLINK DAQe-2502 - Manual (Page 15)

Introduction 5
General Purpose Digital I/O (G. P. DIO)
X
Channels: 24 programmable input/output
X
Compatibility: TTL/CMOS
X
Input voltage:
Z
Logic Low: VIL=0.8 V max; IIL=0.2 mA max
Z
High: VIH=2.0 V max; IIH=0.02 mA max
X
Output voltage:
Z
Low: VOL=0.5 V max; IOL=8 mA max
Z
High: VOH=2.7 V min; IOH=400 µ A
General Purpose Timer/ Counter (GPTC)
X Channels: Two up/down timer/counters
X Resolution: 16-bit
X
Compatibility: TTL/CMOS
X
Clock source: Internal or external
X
Maximum source frequency: 10 MHz
Analog Trigger (A.Trig)
X
Source: External analog trigger (EXTATRIG)
X
Level: ±10V external
X
Resolution: 8-bit
X
Slope: Positive or negative (software selectable)
X
Hysteresis: Programmable
X
Bandwidth: 400 KHz
X
External Analog Trigger Input (EXTATRIG)
X
Impedance: 40 K
Ω
X Coupling: DC
X
Protection: Continuous ±35V maximum