Z84C4306AEG

Specialized Overview

The Z84C4306AEG is an I/O controller interface IC belonging to the Z80 CMOS family, manufactured by Zilog. It integrates a Serial Input/Output (SIO) component within a single chip. The device operates at a clock frequency of 6 MHz and features an 8-bit data bus width. It is housed in a 44-lead Low Profile Quad Flat Package (LQFP) designed for surface mount technology. The component supports a supply voltage of 5V and functions reliably across an industrial temperature range from -40°C to +105°C. It is classified as moisture sensitive with an MSL rating of 3.

Specialized Feature Summary

• Integrates Z80-compatible SIO functionality into a compact CMOS package
• Supports surface mount installation via LQFP form factor
• Operates within extended industrial temperature specifications

Specialized Applications

• Serial communication interfaces in embedded systems
• I/O control modules for microcontroller-based designs
• Industrial automation equipment requiring robust serial connectivity

Specialized Procurement Notes

This component is officially discontinued and no longer in active production. Verification of availability should focus on surplus or secondary market sources rather than direct manufacturer distribution. Buyers must confirm the authenticity of existing stock due to the end-of-life status. Compliance with RoHS standards is documented, but lead-free soldering profiles must be adjusted according to the specific moisture sensitivity level indicated in the datasheet.

Specialized Selection Notes

Engineers replacing this part should verify pin compatibility with the 44-LQFP footprint. Since the device is obsolete, alternative solutions may require logic level translation or firmware adjustments if substituting with newer serial controllers. The 6 MHz speed limit and 5V operation define the electrical boundaries for any compatible replacement. Designers should account for the lack of future supply when planning long-term product lifecycles.

Specialized Part Context

The Z84C4306AEG is part of the Z84C4306 series, which expands upon the legacy Z80 architecture by integrating peripheral functions. This specific variant focuses on serial input/output capabilities, distinguishing it from general-purpose microcontrollers like the Z84C1306VEC. It serves as a specialized interface solution within the broader Zilog embedded processor ecosystem.

Specialized Replacement Considerations

No public confirmed substitute part numbers are available for this discontinued component. Engineers must evaluate functional equivalents based on pinout and electrical characteristics rather than direct cross-references.