STMicroelectronics M24C04-RMC6TG 4KB EEPROM, SO8N Package with I2C Interface

STMicroelectronics M24C04-RMC6TG EEPROM Overview

The STMicroelectronics M24C04-RMC6TG is a high-reliability 4KB electrically erasable programmable read-only memory (EEPROM) engineered for non-volatile data retention in mid-scale, space-constrained electronic systems. It integrates an industry-standard I2C (2-wire serial) interface, enabling seamless communication with microcontrollers, wearables, and smart home devices-making it a trusted solution for B2B engineers prioritizing balanced storage capacity, miniaturization, and long-term data security.

As a product from STMicroelectronics, a global leader in semiconductor innovation with decades of expertise in memory and consumer/industrial-grade compact components, the device meets strict quality benchmarks for performance, durability, and environmental compliance. For more trusted industrial ICs and miniaturized memory solutions, visit IC Manufacturer.

Technical Parameters of M24C04-RMC6TG

Key Technical Features of M24C04-RMC6TG

• Hardware write protection via a dedicated WP pin, preventing accidental erasure or modification of critical data (e.g., medical device calibration values, smart home user preferences) 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 daily fitness tracker 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 wireless wearables or portable medical monitors.
• 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., smart thermostat schedule checks).

Advantages of M24C04-RMC6TG Over Alternative Solutions

Compared to smaller EEPROMs (2KB), wide-body SO8W packages, or narrow-voltage-range alternatives, the M24C04-RMC6TG delivers three critical benefits for B2B designs:

First, its 4KB capacity balances storage needs and efficiency. Smaller 2KB EEPROMs force engineers to limit data logging (e.g., truncating 14-day smart thermostat schedules) or reduce configuration options, while larger 8KB+ EEPROMs waste space and increase cost. The 4KB capacity is ideal for applications like wireless fitness trackers (storing 2-week activity data) or IoT sensors (saving extended configs), eliminating compromises between storage and cost.

Second, its SO8N narrow-body package enables superior miniaturization. Wide-body SO8W packages (1.27mm pin pitch) occupy more PCB space, which is impractical for compact designs like wireless earbuds or portable blood pressure monitors. The SO8N??s 0.95mm pin pitch reduces board space usage by 20% (vs. SO8W), letting engineers integrate more features (e.g., extra sensors, larger batteries) without increasing product size-critical for consumer devices and medical tools where form factor directly impacts usability.

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 M24C04-RMC6TG??s 1.8V?C5.5V range works with legacy 5V home appliances and modern 1.8V wearables, 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 M24C04-RMC6TG

The M24C04-RMC6TG is engineered to solve mid-scale non-volatile storage challenges in consumer, IoT, and medical systems. Its key use cases include:

• Consumer Electronics (Wearables): Storing 2-week fitness data (e.g., step counts, sleep patterns) and user preferences in wireless fitness trackers-ensuring personalized experiences persist without reconfiguration after charging.
• Home Appliances (Smart): Saving extended user schedules (e.g., 14-day smart thermostat temperature settings, smart oven cooking profiles) and appliance calibration data-delivering consistent performance even after power disruptions.
• Internet of Things (IoT) Sensors: Retaining network credentials, sensor calibration values, and 30-day usage logs in miniaturized IoT sensors (e.g., smart light or moisture sensors)-enabling reliable operation in space-constrained smart home or industrial deployments.
• Medical Devices (Portable): Preserving 1-week patient vital data (e.g., daily blood pressure readings) and device configs in simple handheld monitors-complying with healthcare standards for data integrity and supporting basic patient care tracking.
• Telecommunications and Networking: Storing device IDs, network settings, and firmware fragments in miniaturized Bluetooth modules (e.g., wireless earbud chipsets)-ensuring seamless connectivity and fast boot times for wireless consumer devices.

Frequently Asked Questions (FAQ)

Why is the 4KB capacity a good fit for wireless fitness trackers?

Wireless fitness trackers need to store mid-scale data: 14-day step counts (336 data points), sleep patterns, and user goals. 2KB EEPROMs are too small to hold all this data, while 8KB+ options are unnecessary and increase cost. The 4KB capacity perfectly matches these needs, ensuring efficient storage and low power use for extended battery life.

How does the SO8N package??s narrow pin pitch improve smart home sensor design?

Smart home sensors (e.g., motion or temperature detectors) are often installed in tight spaces (e.g., wall outlets, ceiling fixtures). The SO8N??s 0.95mm pin pitch reduces PCB space usage by 20% vs. wide-body SO8W packages, letting engineers design smaller sensors that fit into these constrained areas. This miniaturization also lowers material costs, making the sensor more cost-effective for high-volume smart home deployments.

Can the M24C04-RMC6TG operate in both 1.8V wearables and 5V home appliances?

Yes. Its 1.8V?C5.5V operating range eliminates the need for separate EEPROMs for different voltage platforms. For 1.8V wireless earbuds, it runs directly from the battery without a regulator. For 5V smart ovens or legacy appliances, it integrates seamlessly with older microcontrollers. This flexibility simplifies inventory management and reduces design time for engineers working across consumer and home appliance projects.

What is the benefit of the 16-byte page write feature for smart thermostats?

Smart thermostats update temperature schedules daily (24 data points per day) and need to store 14-day schedules (336 data points total). The 16-byte page write lets the thermostat store 16 schedule entries in one I2C transaction instead of 16 separate transactions. This cuts power use by 30% (vs. single-byte writes) and reduces latency, ensuring the schedule is saved quickly-even with limited power in battery-backed thermostats during power outages.

How long will the M24C04-RMC6TG retain data, and is it enough for long-life home appliances?

It guarantees 40 years of data retention, far exceeding the typical 10?C15 year lifespan of home appliances (e.g., smart thermostats, smart ovens). This ensures critical data (e.g., user preferences, calibration settings) remains intact for the product??s entire operational life. With 1 million write cycles, it also handles frequent updates (e.g., daily schedule changes) without degradation-meeting consumer device reliability standards and reducing the need for early replacements.