| Productos->PCI->E/S - Encoders de Cuadratura e Interrupciones->PDL-DIO-64CT |
PDL-DIO-64CT |
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64-channel, 16-bit PCI digital I/O lab board w/event count streaming
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| 64 digital I/O channels, high-speed event counts streaming (2 Mwords/s) PCI digital I/O lab board. |
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| Characteristics: |
- For PCI bus
- 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)
- User-defined power-up state in 16-bit groups (High, Low, Tri-stated)
- Two Enhanced Synchronous Serial Interfaces (ESSIs) for high-speed devices such as codecs
- Three clock/interrupt lines, three 24-bit counters/timers
- Onboard 16-bit FIFO: 2k samples
- High-speed event counts streaming (2 Mwords/s)
- PowerDAQ Software for Windows NT/2000/XP and Linux/RTLinux
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| 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 |
t VO = 2.7V |
±1 μA max |
| 3-State Output Current |
t VO = 0.5V |
±1 μA max |
| Short-Circuit Current |
VO = Gnd
(momentary) |
-80 mA min
-140 mA typ
-250 mA max |
| Input Hysteresis |
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100 mV typ |
| Output Drive Characteristics |
| Output Drive Current |
t 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 |
OH = -15 mA |
3.5V typ, 4.7V max |
| Output High Voltage |
OH = -32 mA |
2.4V min, 3.0V typ |
| Output High Voltage |
OL = 64 mA |
0.2V typ, 0.55V max |
| I/O Power Off Leakage |
VI/O ≤ 4.5V |
±1 μA max |
| Counter /Timer |
| Prescaler |
1 (21-bit) |
| 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 |
| Protection |
7 kV ESD,
±30V overshoot/undershoot |
| Input Low Voltage |
0.0-0.8V |
| Input High Voltage |
2.0-5.0V |
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