PCI-DIO Series 24 and 48 Digital Input & Output Cards

Main Features:

  • 48 or 24 channel high-current TTL digital I/O lines
  • Change of State (COS) detection and interrupt capabilities
  • Compatible with industry standard 8255 PPI
  • Two 50-pin male headers with 24 digital lines each
  • User interrupt pin on each DIO connector
  • All 48 digital I/O lines buffered with 32mA source / 64mA sink current capabilities
  • Four and eight bit ports independently selectable for inputs or outputs
  • Pull-ups on DIO lines (optional pull-down)
  • 5V VCCIO (3.3V optional)
  • VCCIO available to the user on each I/O header
  • Compatible with industry standard I/O racks like Grayhill, Opto 22, Western Reserve Controls, etc.
  • Easy upgrade from PCI-DIO-48S


Factory Options:

  • 3.3V VCCIO (LVTTL)
  • Molex PC-style connector for maximum 5V VCCIO current sourcing capability
  • RoHS compliant version
  • Extended temperature operation (-40°C to +85°C)




Digital Signaling:

  • VCCIO 5V (TTL), optional 3.3V (LVTTL) on 50 pin header


Digital Inputs:

  • Logic High 2.0V to VCCIO
  • Logic Low 0V to 0.8V
  • Current ±20uA (max)


Digital Ouputs:

  • Logic High 2.0V (min); 32mA source
  • Logic Low 0.55V (max); 64mA sink
  • Power Output VCCIO (P2 & P3; pin 49) Via 0.5A resettable fuse



  • Operating Temperature: Commercial 0° to 70°C; Industrial -40° to +85°C
  • Storage Temperature: -55° to +150° C
  • Humidity: 5% to 95%, non-condensing.
  • Card Dimensions: 4.72" (120mm) long by 4.20" (106.7mm) high






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Contact Details

EPS-Tech Ltd.

Industrial park, Tzur-Igal
2 Bazelet St,

Israel, 44862

Tel: +972-9-749-8585
Fax: +972-9-749-8686
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.