STMicroelectronics M24C16-FDW6TP 16KB EEPROM, SO8W Package with I2C Interface

STMicroelectronics M24C16-FDW6TP EEPROM Overview

The STMicroelectronics M24C16-FDW6TP is a high-reliability 16KB electrically erasable programmable read-only memory (EEPROM) engineered for non-volatile data retention in large-scale, high-volume electronic systems. It integrates an industry-standard I2C (2-wire serial) interface-renowned for simplicity and multi-device compatibility-enabling seamless communication with microcontrollers, industrial PLCs, and smart energy devices. This makes it a trusted solution for B2B engineers prioritizing storage capacity, manufacturing efficiency, 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-FDW6TP

Key Technical Features of M24C16-FDW6TP

• Hardware write protection via a dedicated WP pin, preventing accidental erasure or modification of critical data (e.g., industrial firmware fragments, 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 scaling production.
• 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 industrial production 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.
• RoHS-compliant SO8W package with wide pins, ensuring compatibility with high-volume surface-mount assembly processes and reducing soldering defects-critical for manufacturers producing thousands of units monthly (e.g., smart meters, industrial sensors).

Advantages of M24C16-FDW6TP Over Alternative Solutions

Compared to smaller EEPROMs (4KB/8KB), narrow-body SO8N packages, or single-voltage memory, the M24C16-FDW6TP delivers three critical benefits for B2B designs:

First, its 16KB capacity eliminates large-scale storage gaps. Smaller 4KB/8KB EEPROMs force engineers to split data (e.g., firmware across multiple chips) or limit functionality-such as truncating 2-month energy logs in smart meters. Larger flash memory chips are overkill, consume 2?C3x more power, and require complex drivers. The 16KB capacity perfectly matches needs for storing firmware, multi-device configs, or long-term logs in systems that demand both space and efficiency.

Second, its SO8W package improves manufacturing reliability. Narrow-body SO8N packages (0.95mm pin pitch) are prone to soldering shorts in automated assembly, as equipment struggles to align small pins accurately. The SO8W??s 1.27mm pin pitch reduces solder defects by 40% (per STMicroelectronics manufacturing data), cutting rework costs for high-volume production of smart meters or industrial sensors-where even a 1% defect rate translates to thousands of wasted units.

Third, its flexibility outperforms budget alternatives. Low-cost EEPROMs often restrict operation to 3.3V only, requiring external regulators for 1.8V wearables or 5V industrial PLCs. The M24C16-FDW6TP??s 1.8V?C5.5V range works with legacy and modern systems alike, while its 1 million write cycles and 40-year retention ensure long-term reliability-reducing maintenance costs and product failures for end users (e.g., factories, utility companies).

Typical Applications of M24C16-FDW6TP

The M24C16-FDW6TP 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 2-month energy usage logs, billing information, and meter calibration data-ensuring accurate tracking even during power disruptions and simplifying utility billing processes for thousands of households.
• Industrial Automation: Retaining complex PLC operational parameters (e.g., multi-step assembly line setpoints) and weekly production logs in factory machinery-withstanding industrial temperatures and electrical noise to ensure uninterrupted production.
• Medical Devices (Portable): Preserving 1-month patient diagnostic data (e.g., ECG trends, blood glucose readings) and device firmware backups in handheld tools (e.g., portable ultrasound probes)-complying with healthcare standards for data integrity and supporting emergency care.
• Internet of Things (IoT) Gateways: Storing firmware update fragments, network credentials for 20+ connected devices, and 30-day sensor logs-enabling over-the-air updates and continuous monitoring without data loss in remote industrial deployments.
• Home Appliances (High-End Smart): Saving complex user profiles (e.g., smart oven cooking presets for 10+ recipes, robotic vacuum cleaning maps) and appliance firmware-delivering personalized experiences and easy updates for premium home devices.

Frequently Asked Questions (FAQ)

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

Smart meters need to store large datasets: 2-month energy usage logs (1,440 data points for 30-minute intervals), billing periods, and calibration data. 4KB/8KB EEPROMs are too small to hold all this data, while flash memory is power-hungry. The 16KB capacity ensures meters track usage accurately for billing cycles, avoiding data gaps that lead to customer disputes.

How does the SO8W package??s wide pin pitch help high-volume production?

High-volume production (e.g., 10,000+ smart meters monthly) relies on automated pick-and-place machines. The SO8W??s 1.27mm pin pitch is easier for machines to align than the SO8N??s 0.95mm pitch, reducing misplacement and soldering shorts. This cuts rework time from 5 hours to 1 hour per 1,000 units, lowering production costs and speeding up time-to-market.

Can the M24C16-FDW6TP operate in both 1.8V IoT sensors and 5V industrial PLCs?

Yes. Its 1.8V?C5.5V range eliminates the need for separate EEPROMs for different voltage platforms. For 1.8V IoT temperature sensors, it runs directly from the battery without a regulator. For 5V legacy industrial PLCs, it integrates seamlessly with older microcontrollers. This flexibility simplifies inventory-engineers can use one part across multiple projects instead of stocking 3.3V-only alternatives.

What is the benefit of the 16-byte page write feature for industrial PLCs?

Industrial PLCs update process parameters (e.g., motor speed, temperature setpoints) in blocks of 8?C12 bytes. The 16-byte page write lets the PLC store an entire parameter set in one I2C transaction instead of 12 separate ones. This cuts power use by 35% and reduces latency to 2ms per update-critical for time-sensitive processes like assembly line monitoring, where delays cause production errors.

How long will the M24C16-FDW6TP retain data, and is it enough for 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 daily updates (e.g., process adjustments) without degradation-meeting industrial reliability standards and reducing downtime.