Apex Embedded Systems LLC


Compatible Operating Systems: Linux, DOS, FreeRTOS, QNX, OSless
Supported Architectures: PC/104 (8- or 16-bit), x86, ARM

The TRACER is a high current COTS PC/104 digital I/O and counter/timer module. It is designed for use in systems where high reliability is of utmost importance while operating in harsh environments. The module provides 48-lines of 8255 compatible general purpose I/O and three 16-bit 8254 compatible counter/timers. The TRACER is available in several I/O output voltage ranges and all inputs are 5V tolerant. The TRACER-DIO-5VIO has outputs which swing 0-5V. The TRACER-DIO-3.3VIO has outputs which swing 0-3.3V which are safe ranges for newer lower voltage digital devices. Contact factory for other I/O output voltage ranges. TRACER operating temperature range is -40ºC to +85ºC. Terminal breakout boards and cable accessories are available. The TRACER is available long-term and is built in the USA. Order online 24/7. We are happy to answer any questions.


  •  High-current outputs. Each digital output can sink up to 64 mA.
  •  48 digital I/O, with three groups of 8 channels per connector (i8255). Connector pin-out compatible with many digital I/O cards.

  •  Reliability: MTBF of 724,559 hours per MIL-HDBK-217F ground benign at 25ºC.
  •  Two versions available: full 5 volt output range for driving relays and LEDs correctly, and 0 to 3.3 volt output range for driving low voltage devices safely. Other ranges available.

Military, Aerospace, Industrial, Instrumentation, Test

Contact Information

Apex Embedded Systems LLC

116 Owen Road
Monona, WI, 53716

tele: 608-256-0767 x24
fax: 608-256-0765

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