Z84C0020FEC

Overview

The Z84C0020FEC is a CMOS microprocessor based on the Z80 architecture, manufactured by Zilog. It operates at a maximum clock frequency of 20 MHz with an 8-bit data bus width and requires a 5 V supply voltage. The component is housed in a 44-lead LQFP package (10x10 mm) designed for surface mount technology. It supports an extended industrial temperature range from -40°C to +100°C and includes UART interface capabilities.

Feature Summary

• Enhanced Z80 microprocessor core implementation
• Extended industrial temperature operation capability
• Integrated UART serial communication interface

Applications

• Industrial control systems requiring robust environmental tolerance
• Embedded applications utilizing legacy Z80 software architectures
• Serial communication devices integrating UART functionality

Procurement Notes

Verify current availability status as this component may be obsolete or limited stock. Confirm RoHS compliance requirements against specific project standards, noting potential variations in regulatory status across different manufacturing batches or revisions. Ensure compatibility with existing PCB footprints and thermal management solutions before finalizing procurement plans.

Selection Notes

Select this part when a surface-mount Z80-compatible processor is required for high-temperature environments. The 44-LQFP package offers a compact solution for space-constrained designs. Verify that the 20 MHz speed meets system timing requirements and that the 5 V logic levels align with peripheral interfaces.

Part Context

This device belongs to the Z84C00 series of enhanced Z80 microprocessors. It represents the CMOS version of the classic NMOS Z80 CPU, offering lower power consumption while maintaining binary compatibility. The series is widely recognized in embedded systems for its reliability and extensive software ecosystem support.

Replacement Considerations

Direct substitutes include Z84C0020AEG and Z84C0020VEC. Verify pinout compatibility and package dimensions when transitioning between LQFP and PLCC variants. Ensure firmware remains compatible with the target processor's instruction set extensions.