70121L45JG

Memory IC Overview

The HD64F7045FI28V is a 32-bit microcontroller from the SuperH SH7040 series, manufactured by Renesas Electronics Corporation. It features an internal oscillator and operates at a maximum speed of 28.7 MHz with a supply voltage range of 4.5 V to 5.5 V. The device includes 256 KB of flash program memory and 4 KB of RAM. It integrates eight 10-bit analog-to-digital converters (ADCs). The component is housed in a 144-QFP package and supports SCI communication interfaces.

Memory IC Feature Summary

• Integrates a 32-bit SH-2 core processor for embedded control tasks
• Includes built-in flash memory for non-volatile program storage
• Features multiple analog-to-digital conversion channels for sensor interfacing

Memory IC Applications

• Industrial control systems requiring embedded processing
• Automotive electronic modules utilizing ADC inputs
• General-purpose embedded applications with flash-based firmware

Memory IC Procurement Notes

Verify the exact suffix and package variant against the manufacturer's current datasheet, as part numbers may have specific ordering codes. Confirm that the component status aligns with project lifecycle requirements, noting potential availability constraints for discontinued items. Ensure compatibility with existing board layouts regarding the 144-QFP footprint and pinout definitions before finalizing procurement orders.

Memory IC Selection Notes

Select this component when a 32-bit RISC architecture with integrated flash and ADC capabilities is required. Consider the 28.7 MHz operating speed and 4.5 V to 5.5 V supply range for power budgeting. Evaluate the 144-pin QFP package size against available PCB real estate. Compare performance metrics with other SH7040 series variants if different memory sizes or peripheral counts are needed.

Memory IC Part Context

This microcontroller belongs to the SuperH SH7040 family, designed for high-performance embedded applications. The SH-2 core provides efficient instruction execution suitable for complex control algorithms. The integration of flash memory and ADCs reduces external component count, simplifying system design for industrial and automotive environments requiring reliable data acquisition and processing.

Memory IC Replacement Considerations

Consult official Renesas documentation for direct cross-references within the SH7040 series. Verify pin compatibility and software register mappings before substituting with similar MCU models. No public substitute part numbers are confirmed in the provided source material.