STMicroelectronics M24C16-RDW6TP 16KB EEPROM, SO8W Package with I2C Interface

STMicroelectronics M24C16-RDW6TP EEPROM Overview

The STMicroelectronics M24C16-RDW6TP is a high-reliability 16KB electrically erasable programmable read-only memory (EEPROM) engineered for non-volatile data retention in large-scale, high-speed electronic systems. It integrates an industry-standard I2C (2-wire serial) interface-renowned for simplicity, multi-device compatibility, and low pin count-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 across legacy and modern systems.

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 memory solutions, visit IC Üreticisi.

Technical Parameters of M24C16-RDW6TP

Parametre	Şartname
Bellek Kapasitesi	16KB (16384 x 8 bits)
İletişim Arayüzü	I2C (2 telli seri)
Maksimum Saat Frekansı	1MHz
Çalışma Gerilim Aralığı	1,8V ila 5,5V
Paket Tipi	SO8W (8-pin Small Outline, Wide Body)
Paket Boyutları	5.0mm x 6.0mm, 1.27mm pin pitch
Çalışma Sıcaklık Aralığı	-40?? C ila +85?? C
Minimum Yazma Çevrimleri	1.000.000 döngü
Minimum Veri Saklama Süresi	40 yıl
Sayfa Yazma Boyutu	16 bayt
Write Protection	Hardware write protection via WP pin
Uyumluluk	RoHS 2 compliant

Key Technical Features of M24C16-RDW6TP

• Donanım yazma koruması via a dedicated WP pin, preventing accidental erasure or modification of critical data (e.g., industrial calibration values, smart meter billing logs) in high-reliability systems-critical for avoiding costly errors in utility or factory operations.
• 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 of smart meters or industrial sensors.
• 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 or monthly energy usage data).
• 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-extending operational life without frequent recharging.
• SO8W wide-body package with 1.27mm pin pitch, ensuring compatibility with automated surface-mount assembly processes and reducing soldering defects-critical for high-volume production where even small error rates lead to significant waste.

Advantages of M24C16-RDW6TP Over Alternative Solutions

Compared to smaller EEPROMs (4KB/8KB), narrow-body SO8N packages, or single-voltage memory chips, the M24C16-RDW6TP 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 2-month 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, avoiding both data gaps and unnecessary power use.

Second, its SO8W package improves manufacturing efficiency. 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. For example, a utility company producing 100,000 smart meters annually would save 4,000 hours of rework time-speeding up deployment and lowering total production costs.

Third, its voltage flexibility outperforms budget alternatives. Low-cost EEPROMs often restrict operation to 3.3V only, requiring external voltage regulators for 1.8V IoT sensors or 5V legacy industrial PLCs. The M24C16-RDW6TP??s 1.8V?C5.5V range works with both old and new systems, eliminating the need for additional components. Combined with its 1 million write cycles and 40-year retention, this flexibility ensures long-term reliability-reducing maintenance costs for end users like factories or utility companies.

Typical Applications of M24C16-RDW6TP

The M24C16-RDW6TP 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 (1,440 data points for 30-minute intervals), billing information, and meter calibration data-ensuring accurate tracking even during power disruptions and simplifying utility billing for thousands of households.
• Endüstriyel Otomasyon: 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 and easy troubleshooting.
• Tıbbi Cihazlar (Taşınabilir): Preserving 1-month patient diagnostic data (e.g., blood pressure trends, ECG readings) and device firmware backups in handheld tools (e.g., portable pulse oximeters)-complying with healthcare standards for data integrity and supporting continuity of care during power outages.
• Nesnelerin İnterneti (IoT) Ağ Geçitleri: Storing firmware update fragments, network credentials for 20+ connected sensors, and 30-day environmental logs-enabling over-the-air updates and continuous monitoring without data loss in remote industrial or agricultural deployments.
• Home Appliances (High-End Smart): Saving complex user profiles (e.g., smart oven cooking presets for 15+ recipes, robotic vacuum cleaning maps) and appliance firmware-delivering personalized experiences and seamless updates for premium home devices like smart refrigerators or washing machines.

Sıkça Sorulan Sorular (SSS)

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

Smart meters need to store large, continuous datasets: 2-month energy usage logs (30-minute intervals equal 1,440 data points), billing cycle information, and calibration values. 4KB/8KB EEPROMs can??t hold all this data without truncation, leading to billing errors. The 16KB capacity ensures meters track usage accurately for full billing cycles, avoiding customer disputes and reducing utility company support costs.

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

High-volume production (e.g., 50,000+ industrial sensors 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 6 hours to 1.5 hours per 1,000 units, lowering labor costs and speeding up time-to-market-critical for meeting tight production deadlines.

Can the M24C16-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 temperature sensors, it runs directly from the battery without a regulator, saving space and cost. For 5V legacy industrial PLCs, it integrates seamlessly with older microcontrollers, avoiding the need to redesign PCBs for newer components. This flexibility simplifies inventory management for engineers working across multiple projects.

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 to maintain production precision. 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% (vs. single-byte writes) and reduces latency to 2ms per update-critical for time-sensitive processes like assembly line monitoring, where delays can cause product defects or production halts.

How long will the M24C16-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., 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 for factories that operate 24/7.