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www.instrument.com - Thursday, December 4, 2008
Printer-friendly version of the page "PCI-20087W-1A Digital I/O Board "
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The PCI-20087W-1A Digital I/O Board provides forty channels of TTL-compatible signals in five groups of eight bits each. You can program each 8-bit port independently via software for use as either an input or an output port. You can also synchronize data transfer on two of these ports to external hardware events by using the channels in the fifth port as handshake control lines. Because of its small size, the PCI-20087W-1A can be installed in "short" slots.
| Parameter | Conditions | Specifications |
| Digital I/O | ||
| Number of Ports
Fully Buffered (I/O) Non-Buffered (I/O or Handshake) |
8 channels (bits) each | 5
32 channels 8 channels |
| Input Levels | TTL | |
| Output Levels
Buffered Ports Source Current Sink Current Non-buffered Ports Source Current Sink Current |
Vout=high
Vout=low Vout=high Vout=low |
15mA
24mA 200µA 1.7mA |
| System Throughput (Hardware Only) | ||
| Digital I/O | 400 kBytes/second | |
| Interrupts | ||
| Sources | Up to 3 | |
| PC Levels | 2 through 7 | |
| Physical Characteristics | ||
| Power Requirements | Vin=+5V | 425mA maximum |
| Size | Length x Height> | 5.0" x 4.2" (12.7cm x 10.7cm) |
| Operating Temperature Range | 0 to 70° C |
Copyright 1996-2008 Intelligent Instrumentation Inc.