Z8F0431QJ020SG

Microcontrollers Overview

The Z8F0431QJ020SG is an 8-bit microcontroller from the Zilog Z8F0 series, utilizing the eZ8 core. It features 4 kB of Flash program memory and 256 B of data RAM. The device supports a maximum clock frequency of 20 MHz and operates within a supply voltage range of 2.7 V to 3.6 V. It provides 23 I/O lines and includes two timer/counters. The component lacks an integrated ADC and is housed in a QFN-28 package suitable for surface mount installation.

Microcontrollers Feature Summary

• Integrates 4 kB of non-volatile Flash memory for program storage.
• Includes 256 bytes of static RAM for data handling.
• Features 23 general-purpose input/output pins.
• Equipped with two timer/counter peripherals.

Microcontrollers Applications

• General-purpose embedded control systems
• Industrial monitoring devices
• Consumer electronics controllers

Microcontrollers Procurement Notes

Verify the specific suffix QJ020SG against official manufacturer documentation to confirm the QFN-28 package and pinout configuration. Ensure that the absence of an ADC aligns with application requirements, as this variant differs from models with analog capabilities. Confirm RoHS compliance status through current datasheets before finalizing procurement specifications.

Microcontrollers Selection Notes

Select this model when a compact QFN-28 footprint is required alongside 23 available I/O lines. The eZ8 architecture offers efficient code execution for 8-bit applications. Consider alternative variants if analog-to-digital conversion or different packaging options are necessary for the target design constraints.

Microcontrollers Part Context

This component belongs to the Z8F0 family of 8-bit microcontrollers by Zilog. These devices are designed for cost-sensitive applications requiring reliable performance. The Z8F0431QJ020SG specifically targets designs needing moderate memory capacity without analog sensing functions.

Microcontrollers Replacement Considerations

Cross-reference part numbers such as Z8F0431SH020SG for SOIC-20 alternatives or Z8F0431PJ020SG for PDIP-28 options. Verify functional equivalence regarding memory size and I/O count before substitution.