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PDXI-DIO-64
PDXI-DIO-64
64 channel PXI digital I/O board
 
64 digital I/O channels, 3 counter/timers, 2 ESSI ports, 4 high-speed IRQ lines (100 ns).
 
Characteristics:
  • Available for CompactPCI/PXI
  • 64 lines (5 V/TTL) of I/O in 16-bit ports
  • Generate interrupts on any line
  • Four separate high-speed IRQ lines (100 ns)
  • Two ESSI ports for high-speed devices such as codecs
  • User-defined power-up state in 16-bit groups (High, Low, Tri-stated)
  • Three 24-bit counters/timers
  • Onboard 16-bit FIFO: 2k samples
  • PowerDAQ Software for Windows NT/2000/XP and Linux/RTLinux
 
Technical Specifications
DC Electrical Characteristics Over Operating Range
Input High Level Guaranteed logic High level 2.0V min
Input Low Level Guaranteed logic Low level 0.8V max
Input High Current VI = 5V ±1 μA max
Input Low Current VI = Gnd ±1 μA max
3-State Output Current VO = 2.7V ±1 μA max
3-State Output Current VO = 0.5V ±1 μA max
Short-Circuit Current VO = Gnd
(momentary)		 -80 mA min 
-140 mA typ
-250 mA max
Input Hysteresis   100 mV typ
Output Drive Characteristics
Output Drive Current VO = 2.5 V -32 mA per pin
-180 mA per port
Output High Voltage IOH = -3 mA 3.5V typ, 4.8V max
Output High Voltage IOH = -15 mA 3.5V typ, 4.7V max
Output High Voltage IOH = -32 mA 2.4V min, 3.0V typ
Output High Voltage IOL = 64 mA 0.2V typ, 0.55V max
I/O Power Off Leakage VI/O ≤ 4.5V ±1 μA max
Counter/Timer
Number of Channels 3
Resolution 24 bits
Maximum Frequency 16.5M S/s for external clock and
33M S/s for internal DSP clock
Minimum Frequency 0.0000002 S/s for internal clock, no
low limit for external clock
Minimum Pulse Width 20 ns
Output High Level 2.0V min @ -4 mA
Output Low Level 0.5V max @ 4 mA
Input High range from 11V to level of input supply voltage
Protection 7 kV ESD,
±30V overshoot/undershoot
Input Low Voltage 0.0-0.8V
Input High Voltage 2.0-5.0V