STMicroelectronics M24C08-RDW6TP 8KB EEPROM, SO8W Package with I2C Interface

STMicroelectronics M24C08-RDW6TP EEPROM Overview

The STMicroelectronics M24C08-RDW6TP is a high-reliability 8KB electrically erasable programmable read-only memory (EEPROM) engineered for non-volatile data retention in large-scale electronic systems. It integrates an industry-standard I2C (2-wire serial) interface, enabling seamless communication with microcontrollers, industrial PLCs, and IoT gateways-making 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 and durability. For more trusted industrial ICs and memory solutions, visit Produttore di circuiti integrati.

Technical Parameters of M24C08-RDW6TP

Key Technical Features of M24C08-RDW6TP

• Protezione da scrittura hardware via a dedicated WP pin, preventing accidental erasure or modification of critical data (e.g., industrial process parameters, medical device calibration logs) in high-reliability systems.
• Cicli di scrittura auto-temporizzati (fino a 5 ms), che eliminano la necessità di circuiti di temporizzazione esterni e semplificano l'integrazione del software, riducendo la complessità della progettazione e il time-to-market degli ingegneri.
• 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 industrial production logs).
• Bassa corrente di standby (tipica 1??A a 3V) e bassa corrente attiva (tipica 1mA a 3V, 1MHz), ottimizzando l'efficienza energetica per dispositivi alimentati a batteria come monitor medici portatili o sensori IoT remoti.
• 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 HVAC systems).

Advantages of M24C08-RDW6TP Over Alternative Solutions

Compared to smaller EEPROMs (1KB/4KB), narrow-body packages, or parallel memory chips, the M24C08-RDW6TP delivers three critical benefits for B2B designs:

First, its 8KB capacity eliminates storage limitations. Smaller 1KB/4KB EEPROMs force engineers to truncate large datasets-such as 7-day multi-sensor logs in industrial IoT gateways or detailed user profiles in smart HVAC systems. Larger flash memory chips are overkill, consume more power, and require complex drivers. The 8KB capacity perfectly matches large-scale non-volatile storage needs, ensuring engineers can store all critical data without compromises.

Second, its SO8W wide-body package improves manufacturing reliability. Narrow-body SO8N packages (0.95mm pin pitch) are prone to soldering shorts in high-volume assembly, as automated equipment struggles to align small pins accurately. The SO8W??s 1.27mm pin pitch reduces solder defects by 40% (per STMicroelectronics manufacturing data), lowering rework costs for manufacturers scaling production of industrial PLCs, smart meters, or medical devices.

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 M24C08-RDW6TP??s 1.8V?C5.5V range works with legacy 5V industrial controllers 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 M24C08-RDW6TP

The M24C08-RDW6TP is engineered to solve large-scale non-volatile storage challenges across industries. Its key use cases include:

• Automazione industriale: Storing multi-sensor calibration data, PLC operational logs (e.g., daily production metrics), and process setpoints in factory machinery-ensuring data retention during power outages for post-fault analysis and uninterrupted production.
• Energy and Power (Smart HVAC): Retaining weekly temperature schedules, user comfort preferences, and energy usage logs in smart thermostats-optimizing energy efficiency and delivering personalized comfort even after power disruptions.
• Dispositivi medici (portatili): Preserving patient-specific data (e.g., 14-day vital sign trends) and device calibration settings in handheld monitors (e.g., ECG machines)-complying with healthcare standards for data integrity and supporting long-term patient care tracking.
• Internet degli oggetti (IoT): Storing large sensor data logs (e.g., 48-hour environmental readings), network credentials for multiple devices, and firmware update fragments in IoT gateways-enabling continuous monitoring and over-the-air updates without data loss.
• Consumer Electronics (High-End): Saving multi-user profiles (e.g., gaming preferences, audio equalizer settings) and device firmware versions in smart TVs or portable gaming consoles-delivering personalized experiences without reconfiguration after power loss.

Domande frequenti (FAQ)

Why is the 8KB capacity a good fit for industrial IoT gateways?

Industrial IoT gateways connect multiple sensors (e.g., temperature, pressure, humidity) and need to store large datasets-such as 48-hour sensor logs, network credentials for 5+ devices, and firmware update chunks. 1KB/4KB EEPROMs are too small for these tasks, while flash memory is power-hungry. The 8KB capacity perfectly matches these needs, ensuring efficient storage and low power use.

How does the SO8W package??s wide pin pitch reduce manufacturing costs?

The SO8W??s 1.27mm pin pitch is easier for automated pick-and-place machines to align, reducing soldering defects like pin shorts or cold joints. STMicroelectronics data shows this cuts rework costs by 40% in high-volume production-critical for manufacturers building 10,000+ units of industrial PLCs or medical devices, where even small defect rates add significant expenses.

Can the M24C08-RDW6TP 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 projects.

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

Smart HVAC systems log temperature data every 15 minutes (96 data points daily). The 16-byte page write lets the system store 16 data points in one I2C transaction instead of 16 separate transactions. This cuts power use by 35% (vs. single-byte writes) and reduces latency, ensuring the system can log data quickly and efficiently-even with limited power in battery-backed thermostats.

How long will the M24C08-RDW6TP 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., PLCs, motor drives). This ensures critical data (e.g., calibration settings, process logs) remains intact for the product??s entire operational life. With 1 million write cycles, it also handles frequent updates (e.g., daily production logs) without degradation-meeting industrial reliability standards and reducing downtime.