STMicroelectronics M95640-DRMN3TP/K Automotive EEPROM | 64Kbit SPI 20MHz Memory IC

Reliable Automotive Memory Solutions: STMicroelectronics M95640-DRMN3TP/K 64Kbit SPI EEPROM

Engineered for demanding automotive and industrial applications, the STMicroelectronics M95640-DRMN3TP/K represents the pinnacle of non-volatile memory technology. This automotive-grade SPI EEPROM combines high-performance specifications with exceptional reliability, making it an ideal choice for critical systems requiring data integrity across extreme operating conditions.

Technical Excellence in Compact Packaging

At its core, the M95640-DRMN3TP/K features 64Kbits (8K x 8) of EEPROM memory, delivering efficient data storage through a high-speed SPI interface operating at 20MHz. The 8-SOIC package (3.90mm width) integrates seamlessly into modern PCB designs while maintaining compatibility with automated assembly processes. Its surface-mount configuration ensures optimal thermal performance and mechanical stability in vibration-prone environments.

Key Technical Specifications

This memory device's wide voltage range enables operation across diverse power architectures, while its industrial temperature rating (-40°C to 125°C) ensures functionality in both extreme cold and high-heat environments typical of automotive applications. The 4ms write cycle time balances speed with data retention reliability, crucial for frequent write operations in real-time systems.

Automotive-Grade Performance

As part of STMicroelectronics' AEC-Q100 qualified portfolio, the M95640-DRMN3TP/K meets stringent automotive reliability standards. This certification guarantees robust performance in vehicle systems such as engine control units (ECUs), body control modules, and advanced driver assistance systems (ADAS). The device's SPI interface simplifies integration with microcontrollers and processors, while its high clock frequency enables rapid data transactions critical for modern automotive electronics.

Flexible Voltage Adaptability

The wide 1.8V to 5.5V operating range provides designers with exceptional flexibility. This feature enables direct interfacing with various logic voltage levels commonly found in mixed-voltage systems, eliminating the need for external level shifters. The voltage tolerance simplifies power supply design while maintaining compatibility across generations of electronic components.

Industrial Applications and System Integration

Beyond automotive systems, this EEPROM finds application in industrial automation equipment, medical devices, and communication infrastructure. Its surface-mount SOIC package supports high-density PCB layouts while maintaining serviceability. The device's non-volatile memory retains critical configuration data during power cycles, making it ideal for systems requiring persistent storage of calibration parameters, device settings, or diagnostic information.

Durability and Long-Term Reliability

STMicroelectronics' proprietary EEPROM technology ensures exceptional endurance, with write/erase cycles exceeding industry standards. This durability makes the M95640-DRMN3TP/K suitable for applications requiring frequent data updates without compromising memory lifespan. The device's packaging also provides protection against moisture and thermal stress, crucial for maintaining performance over extended operational periods.

Supply Chain and Inventory Considerations

With standard packaging in tape & reel format (TR), the M95640-DRMN3TP/K supports efficient automated handling and soldering processes. The active product status ensures ongoing availability through authorized distribution channels. Designers can confidently implement this component in production designs knowing it meets current and future supply chain requirements.

Conclusion: A Trusted Memory Solution

The STMicroelectronics M95640-DRMN3TP/K stands out as a premier memory solution combining automotive-grade reliability with modern performance specifications. Its SPI interface, wide operating voltage, and industrial temperature range make it versatile for diverse applications. Whether implementing data logging in vehicle systems, storing configuration parameters in industrial controllers, or maintaining settings in medical equipment, this EEPROM provides a dependable foundation for critical memory needs. With its comprehensive feature set and proven reliability, the M95640-DRMN3TP/K continues to establish benchmarks in the memory IC market for demanding applications.

Tags: Automotive Memory, SPI Interface IC, Industrial EEPROM, Non-Volatile Storage, High-Temperature Memory