STMicroelectronics M24C16-RMN6TP 16KB EEPROM, SO8N Package with I2C Interface

STMicroelectronics M24C16-RMN6TP EEPROM Overview

The STMicroelectronics M24C16-RMN6TP is a high-reliability 16KB electrically erasable programmable read-only memory (EEPROM) engineered for non-volatile data retention in mid-to-large-scale electronic systems. It integrates an industry-standard I2C (2-wire serial) interface, enabling seamless communication with microcontrollers, industrial PLCs, and smart energy devices-making it a trusted solution for B2B engineers prioritizing storage capacity, design flexibility, and long-term data security.

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. For more trusted industrial ICs and memory solutions, visit IC Manufacturer.

Technical Parameters of M24C16-RMN6TP

Key Technical Features of M24C16-RMN6TP

• Hardware write protection via a dedicated WP pin, preventing accidental erasure or modification of critical data (e.g., industrial process parameters, smart meter billing logs) in high-reliability systems.
• Self-timed write cycles (up to 5ms), eliminating the need for external timing circuits and simplifying software integration-reducing design complexity and shortening time-to-market for engineers.
• 16-byte page write capability, enabling efficient block data transfers to reduce system latency and lower power consumption during bulk updates (e.g., storing monthly energy usage logs).
• Low standby current (typical 1??A at 3V) and low active current (typical 1mA at 3V, 1MHz), optimizing power efficiency for battery-powered devices like portable medical monitors or remote IoT sensors.
• Unlimited read cycles, ensuring reliable data access without performance degradation over the device??s operational lifetime-critical for applications requiring frequent data retrieval (e.g., industrial process monitoring).

Advantages of M24C16-RMN6TP Over Alternative Solutions

Compared to smaller EEPROMs (4KB/8KB), parallel memory chips, or narrow-voltage-range alternatives, the M24C16-RMN6TP delivers three critical benefits for B2B designs:

First, its 16KB capacity eliminates large-scale storage compromises. Smaller 4KB/8KB EEPROMs force engineers to split data (e.g., firmware fragments across multiple chips) or limit functionality-such as truncating 30-day energy logs in smart meters. Larger flash memory chips are overkill, consume 2?C3x more power, and require complex driver support. The 16KB capacity perfectly matches needs for storing firmware backups, multi-device configs, or long-term logs in space-constrained designs.

Second, its I2C interface reduces design complexity. Parallel memory chips require 8+ data and address pins, cluttering PCB layouts and limiting miniaturization. The M24C16-RMN6TP uses just two wires (SDA for data, SCL for clock), cutting trace count by 75%. This is critical for compact systems like smart meters or portable medical monitors, where board space directly impacts product size and functionality. It also supports multi-device communication-multiple EEPROMs or sensors can share the same bus, further simplifying layouts.

Third, its flexibility and durability outperform budget alternatives. Low-cost EEPROMs often restrict operation to 3.3V only (requiring external regulators for 1.8V/5V systems) and offer just 100,000 write cycles. The M24C16-RMN6TP??s 1.8V?C5.5V range works with legacy 5V industrial PLCs and modern 1.8V IoT microcontrollers, while its 1 million write cycles and 40-year retention ensure long-term reliability-reducing maintenance costs and product failures for end users.

Typical Applications of M24C16-RMN6TP

The M24C16-RMN6TP is engineered to solve large-scale non-volatile storage challenges in industrial, energy, and medical systems. Its key use cases include:

• Energy and Power (Smart Meters): Storing monthly energy usage logs, billing information, and meter calibration data-ensuring accurate tracking even during power disruptions and simplifying utility billing processes.
• Industrial Automation: Retaining complex PLC operational parameters (e.g., multi-step assembly line setpoints) and weekly production logs in factory sensors-withstanding industrial temperatures and ensuring uninterrupted production during power outages.
• Medical Devices (Portable): Preserving patient diagnostic data (e.g., 2-week vital sign trends) and device firmware backups in handheld tools (e.g., portable ECG monitors)-complying with healthcare standards for data integrity and supporting emergency care scenarios.
• Internet of Things (IoT) Gateways: Storing firmware update fragments, multi-sensor logs (e.g., 30-day environmental readings), and network credentials for 10+ connected devices-enabling over-the-air updates and continuous monitoring without data loss.
• Home Appliances (Smart): Saving complex cycle settings (e.g., robotic vacuum cleaning schedules, smart oven cooking profiles) and user preferences-ensuring consistent performance even after power disruptions and delivering personalized experiences.

Frequently Asked Questions (FAQ)

Why is the 16KB capacity a good fit for smart meters?

Smart meters need to store large datasets: monthly energy usage logs (typically 30 days x 24 hours = 720 data points), billing periods, and meter calibration data. 4KB/8KB EEPROMs are too small to hold all this data, while flash memory is power-hungry. The 16KB capacity perfectly matches these needs, ensuring efficient storage and low power use for continuous meter operation.

How does the 1MHz clock frequency benefit industrial PLCs?

Industrial PLCs often need to update process parameters (e.g., motor speed, temperature setpoints) frequently to maintain production precision. The 1MHz clock frequency lets the M24C16-RMN6TP transfer data up to 10x faster than slower 100kHz EEPROMs, ensuring parameter updates are stored or retrieved in milliseconds. This reduces latency, critical for time-sensitive industrial processes like assembly line monitoring.

Can the M24C16-RMN6TP operate in both 1.8V IoT sensors and 5V industrial PLCs?

Yes. Its 1.8V?C5.5V operating range eliminates the need for separate EEPROMs for different voltage platforms. For 1.8V IoT sensors (e.g., environmental monitors), it runs directly from the battery without a regulator. For 5V industrial PLCs, it integrates seamlessly with legacy hardware. This flexibility simplifies inventory management and reduces design time for engineers working across multiple industries.

What is the benefit of the 16-byte page write feature for IoT gateways?

IoT gateways often log data from multiple sensors (e.g., temperature, humidity, motion) at 15-minute intervals (96 data points daily). The 16-byte page write lets the gateway store 16 data points in one I2C transaction instead of 16 separate ones. This cuts power use by 35% (vs. single-byte writes) and reduces latency, ensuring the gateway can log data quickly-even with limited power in remote, wireless deployments.

How long will the M24C16-RMN6TP 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 (e.g., factory PLCs, solar inverters). This ensures critical data (e.g., production logs, calibration settings) remains intact for the product??s entire operational life. With 1 million write cycles, it also handles frequent updates (e.g., daily process adjustments) without degradation-meeting industrial reliability standards and reducing downtime.