668-0011

Overview

The Digi 668-0011 is a Rabbit 3000 microprocessor IC housed in a 128-LQFP (14x14) package. It features an 8-bit core architecture operating at a maximum speed of 55MHz. The device supports I/O voltages of 3.3V and includes interfaces such as HDLC, IrDA, SDLC, and SPI. It operates within a temperature range of -55°C to 85°C.

Feature Summary

• Integrates the Rabbit 3000 processor core for embedded control applications
• Supports multiple communication protocols including HDLC, IrDA, SDLC, and SPI
• Designed for operation across extended industrial temperature ranges

Applications

• Embedded system development using Dynamic C programming environment
• Industrial automation controllers requiring robust interface support
• Legacy hardware maintenance and replacement projects

Procurement Notes

Verify component status carefully as this part is officially marked as obsolete by the manufacturer. Confirm availability through secondary market distributors or surplus suppliers. Ensure compatibility with existing PCB footprints and design specifications before procurement. Check for potential supply chain constraints due to end-of-life status.

Selection Notes

Select this component only if specific legacy compatibility with the Rabbit 3000 architecture is required. Consider the 128-LQFP package dimensions and pinout when designing or retrofitting circuits. Evaluate thermal management requirements given the wide operating temperature range. Assess long-term availability risks associated with obsolete semiconductor components.

Part Context

This microprocessor belongs to the Rabbit 3000 series produced by Digi International. It was designed for high-performance embedded applications prior to newer architectural generations. The component represents a specific generation of 8-bit processing solutions with integrated communication peripherals.