L978S-TR

Specialized ICS Overview

The L978S-TR is a specialized application-specific integrated circuit (ASIC) manufactured by STMicroelectronics, designed for automotive engine management systems. It integrates a microcontroller core operating at a maximum clock frequency of 4 MHz with 128 kB of RAM and embedded FLASH memory. The component is housed in an LQFP100 surface-mount package and functions as a multifunction IC for wide-range air-fuel sensor control interfaces.

Specialized ICS Feature Summary

• Integrates a 4 MHz microcontroller core with 128 kB RAM and FLASH memory
• Provides dedicated interface capabilities for wide-range air-fuel sensors
• Housed in an LQFP100 surface-mount package for compact integration

Specialized ICS Applications

• Automotive engine management systems
• Wide-range air-fuel sensor control interfaces
• Multifunction IC applications in vehicle power management

Specialized ICS Procurement Notes

Verify the specific suffix against official STMicroelectronics documentation to confirm exact electrical characteristics and packaging specifications. Ensure compatibility with existing design constraints before procurement. Confirm availability status through authorized distributors as supply chain conditions may vary.

Specialized ICS Selection Notes

Select this component when designing automotive engine control units requiring integrated sensor interfacing and processing capabilities. The 4 MHz speed and memory configuration suit specific real-time control tasks. Evaluate thermal and physical constraints associated with the LQFP100 package for proper board layout.

Specialized ICS Part Context

This part belongs to the L978 series of multifunction ICs from STMicroelectronics, targeting automotive applications. It combines processing logic with peripheral interfaces, distinguishing it from general-purpose microcontrollers by its specialized role in managing critical engine parameters and sensor data streams within complex vehicle architectures.

Specialized ICS Replacement Considerations

Consult official substitution lists for verified equivalents. Cross-reference pinouts and electrical specifications carefully to ensure functional compatibility without redesigning the host system.

Specialized ICS FAQ

What is the maximum clock frequency of the L978S-TR?

The L978S-TR operates with a maximum clock frequency of 4 MHz.

What type of memory does the L978S-TR include?

The device includes 128 kB of RAM and embedded FLASH memory.