STMicroelectronics M95010-WMN6TP 1KB SPI EEPROM, SO8N Package for Compact Non-Volatile Storage

STMicroelectronics M95010-WMN6TP SPI EEPROM Overview

The STMicroelectronics M95010-WMN6TP is a high-reliability 1KB serial peripheral interface (SPI) electrically erasable programmable read-only memory (EEPROM) engineered for non-volatile storage of small, critical datasets in space-constrained, low-power electronic systems. It leverages the SPI protocol-valued for synchronous speed, minimal signal interference, and multi-device compatibility-to enable seamless integration with microcontrollers, industrial sensors, and IoT edge devices. This makes it a trusted solution for B2B engineers prioritizing compact design, low power, and long-term data integrity for small-scale storage needs across industrial, consumer, and medical applications.

As a product from STMicroelectronics-a global leader in semiconductor innovation with decades of expertise in memory and industrial-grade components-the device meets strict quality benchmarks for performance, durability, and environmental compliance (including RoHS certification). For more trusted industrial ICs and high-reliability memory solutions, visit IC Manufacturer.

Technical Parameters of M95010-WMN6TP

Key Technical Features of M95010-WMN6TP

• Sector and full-chip hardware write protection via a dedicated WP pin, preventing accidental erasure or modification of critical small datasets (e.g., sensor calibration values, device ID codes) in high-reliability systems-avoiding costly performance errors in industrial or medical operations.
• Dual data organization (8-bit/4-bit selectable), offering flexibility to match low-bandwidth system requirements-optimizing storage efficiency for 4-bit microcontrollers (e.g., simple temperature sensors) or 8-bit MCUs (e.g., basic IoT edge devices).
• Self-timed write cycles (up to 5ms), eliminating the need for external timing circuits and simplifying software integration-reducing design complexity for engineers building high-volume, cost-sensitive devices like smart thermostats.
• Ultra-low power consumption (typical 1??A standby current at 3V; 5mA active current at 5V, 5MHz), extending battery life for portable devices like wireless fitness trackers or handheld medical probes-critical for end users relying on long operational intervals.
• Compact SO8N package (0.95mm pin pitch), reducing PCB space usage by 20% vs. wide-body SO8W alternatives-enabling integration in ultra-compact designs like industrial sensor modules or miniaturized medical monitors where board space is at a premium.

Advantages of M95010-WMN6TP Over Alternative Solutions

Compared to smaller EEPROMs (256B/512B), wide-body SO8W packages, or single-voltage memory, the M95010-WMN6TP delivers three critical benefits for B2B designs:

First, its 1KB capacity eliminates small-scale storage gaps. Smaller 256B/512B EEPROMs force engineers to limit critical data (e.g., storing only 1 calibration set instead of 3 for industrial sensors) or use multiple chips-adding complexity and cost. Larger 4KB+ EEPROMs are overkill, consuming 30% more power and wasting PCB space for applications needing only small datasets. The 1KB capacity perfectly fits use cases like storing sensor calibration values, user preferences, or device IDs, balancing functionality and efficiency.

Second, its SO8N package enables superior miniaturization. Wide-body SO8W packages (1.27mm pin pitch) occupy more PCB space, making them impractical for compact designs like industrial sensor nodes or portable pulse oximeters. The SO8N??s 0.95mm pin pitch lets engineers fit the EEPROM alongside other components (e.g., microcontrollers, transceivers) in tight layouts-critical for devices deployed in confined industrial enclosures or handheld medical kits. Per STMicroelectronics manufacturing data, this reduces PCB area usage by 20%, enabling smaller end products without sacrificing reliability.

Third, its durability and flexibility outperform budget alternatives. Low-cost EEPROMs often restrict operation to +85??C (limiting use in harsh industrial environments like factory floors) and offer only 100,000 write cycles (increasing replacement frequency). The M95010-WMN6TP??s -40??C to +125??C range handles extreme temperatures, while its 1 million write cycles ensure long-term reliability. Its 2.5V?C5.5V voltage range also works with legacy 5V industrial controllers and modern 3.3V IoT devices-reducing inventory complexity for engineers managing mixed-system projects.

Typical Applications of M95010-WMN6TP

The M95010-WMN6TP is engineered to solve small-scale non-volatile storage challenges in compact, harsh-environment, and low-power systems. Its key use cases include:

• Industrial Automation (Sensors): Storing 3 sets of calibration data for temperature/pressure sensors-ensuring consistent accuracy even after power cycles and simplifying maintenance for factory floor equipment.
• Internet of Things (IoT) Edge Devices: Retaining network credentials and device IDs for low-power sensor nodes-enabling fast reconnection to gateways post-power outages and reducing data loss in remote agricultural or industrial deployments.
• Medical Devices (Portable): Preserving device configuration settings (e.g., probe sensitivity for handheld pulse oximeters)-ensuring consistent performance during patient care and complying with healthcare standards for data integrity.
• Home Appliances (Smart): Saving user preferences (e.g., temperature presets for smart thermostats, cycle settings for robotic vacuums)-eliminating the need for reconfiguration after power disruptions and improving user experience.
• Security and Surveillance (Compact Cameras): Storing device IDs and encryption keys for miniaturized security cameras-enabling fast boot times and secure data transmission, even in power-constrained outdoor locations.

Frequently Asked Questions (FAQ)

Why is the 1KB capacity a good fit for industrial sensors?

Industrial sensors (e.g., pressure, temperature) typically need to store 2?C3 sets of calibration data (50?C100 bytes each), plus device IDs and error logs-totaling 200?C400 bytes. A 256B/512B EEPROM forces truncation of calibration sets, risking accuracy. The 1KB capacity holds all necessary data with room for future updates, ensuring sensors maintain precision over time and reducing maintenance costs for factory operators.

How does the 5MHz clock frequency benefit IoT edge devices?

IoT edge devices (e.g., agricultural moisture sensors) often update network credentials or device configs weekly. A 1MHz EEPROM would take 0.8ms to transfer 1KB of data, causing latency that delays sensor communication. The 5MHz frequency cuts transfer time to 0.16ms, ensuring devices reconnect to gateways quickly and avoid missing critical data transmission windows-critical for time-sensitive monitoring tasks.

Can the M95010-WMN6TP operate in both 2.5V IoT sensors and 5V industrial controllers?

Yes. Its 2.5V?C5.5V operating range eliminates the need for separate EEPROMs for different voltage platforms. For 2.5V low-power IoT sensors (e.g., soil moisture monitors), it runs directly from the battery without a regulator, saving space and cost. For 5V legacy industrial controllers, it integrates seamlessly with older microcontrollers, avoiding PCB redesigns or voltage converters. This flexibility simplifies inventory and reduces design time for engineers.

What is the benefit of dual 8-bit/4-bit data organization for simple sensors?

Simple sensors (e.g., basic temperature detectors) often use 4-bit microcontrollers to save power and cost. The 4-bit mode optimizes data storage for these controllers by matching their native data width, reducing memory overhead and simplifying software integration. For more advanced 8-bit sensors (e.g., multi-parameter environmental monitors), the 8-bit mode stores detailed calibration logs-eliminating the need for two EEPROM models and streamlining inventory for sensor manufacturers.

How long will the M95010-WMN6TP retain data, and is it enough for long-life industrial equipment?

It guarantees 40 years of data retention, far exceeding the typical 20?C25 year lifespan of industrial equipment like factory sensors or HVAC controllers. This ensures critical data (e.g., calibration settings, device IDs) remains intact for the equipment??s entire operational life. With 1 million write cycles, it also handles monthly config updates without degradation-reducing downtime for 24/7 industrial operations and lowering the total cost of ownership.