64ch TTL Digital I/O Card w/Counter (PCL-720+-AE)
by Advantech
•Part #: PCL-720+-AE
View Detailed Description
$145.00
The PCL-720+ digital I/O and counter card is PC-compatible add-on cards with 32 digital input channels, 32 digital output channels and three programmable counter/timer channels. Their digital I/O channels are TTL-compatible and use 74LS244 driver/ buffer circuits to provide high output driving capacity. These buffered circuits also require lower input loading current than regular TTL circuits. The cards' 8254 programmable counter/timer provides three fl exible 16-bit counter/timer channels. You can generate waves and pulses by programming the 8254. Jumper settings determine the clock crystal frequency. The cards also includes a breadboard area perfect for customized circuits.
- 32 TTL-level digital input channels
- 32 TTL-level digital output channels
- High-output driving capacity
- Low-input loading
- 3 programmable counter/timer channels
- User configurable clock source
- Breadboard area for custom circuits
| General | Bus | ISA |
| Timer/Counter | Channels | 3 |
| Time Base | 1 MHz | |
| TTL DI/O | Input Channels | 32 |
| Output Channels | 32 |
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