onsemi NV250x0LV Low Voltage Automotive Serial EEPROMs

Introduction

The onsemi NV250x0LV Low Voltage Automotive Serial EEPROMs are specialized memory devices designed for low-power automotive applications. These EEPROMs offer reliable data storage solutions, making them essential components in modern automotive electronics.

Part Description

The NV250x0LV series includes EEPROMs with capacities of 1Kb, 2Kb, and 4Kb, organized as 128x8, 256x8, and 512x8 bits respectively. They utilize the Serial Peripheral Interface (SPI) protocol and feature a 16-byte page write buffer, ensuring efficient data writing. With a supply voltage range of 1.7V to 5.5V, these EEPROMs are optimized for low-power consumption. They also boast a high endurance of one million write cycles per byte and an impressive data retention capability of up to 200 years. The operating temperature range of -40°C to +125°C ensures reliability in harsh automotive environments.

Applications

• Storing configuration and calibration data in electronic control units (ECUs)
• Maintaining system parameters in infotainment and telematics modules
• Logging diagnostic and fault data for service and maintenance
• Supporting secure key storage in immobilizer and anti-theft systems
• Preserving user preferences and settings in climate control and seat memory modules

Industries

• Automotive
• Consumer Electronics
• Industrial Automation
• Telecommunications
• Medical Devices

Usage Ideas

1. ECU Calibration Storage: Use the NV250x0LV to store calibration data for an engine control unit, ensuring that the vehicle operates efficiently under various conditions.
2. Telematics Module: Implement the EEPROM in a telematics system to log vehicle diagnostics and fault data, aiding in maintenance and service planning.
3. User Preference Memory: Integrate the NV250x0LV in a climate control system to remember user settings, enhancing comfort and convenience for vehicle occupants.

Conclusion

The onsemi NV250x0LV Low Voltage Automotive Serial EEPROMs are versatile and reliable components that cater to the demanding requirements of the automotive industry. With their low power consumption, high endurance, and extensive temperature range, they are ideal for a variety of applications, ensuring that critical data is stored securely and efficiently.