STMicroelectronics M24C01-RMN6TP 1KB EEPROM, SO8N Package with I2C Interface

STMicroelectronics M24C01-RMN6TP EEPROM Overview

The STMicroelectronics M24C01-RMN6TP is a compact, high-reliability 1KB electrically erasable programmable read-only memory (EEPROM) designed for non-volatile data retention in space-constrained electronic systems. It features an industry-standard I2C (2-wire serial) interface, enabling seamless communication with microcontrollers, microprocessors, and other digital components-making it a go-to solution for B2B engineers working on small-scale, power-efficient designs.

As a product from STMicroelectronics, a global leader in semiconductor innovation with decades of expertise in memory technologies, the device meets strict quality and performance standards for industrial, consumer, and IoT applications. For more trusted industrial ICs and memory components, visit IC 製造商.

Technical Parameters of M24C01-RMN6TP

Key Technical Features of M24C01-RMN6TP

• 硬體寫入保護 via a dedicated WP pin, preventing accidental erasure or modification of critical data (e.g., sensor calibration values, user preferences).
• Self-timed write cycles (up to 5ms), eliminating the need for external timing circuits and simplifying software integration for designers.
• 8-byte page write capability, enabling efficient block data transfers to reduce system latency and lower power consumption during updates.
• Low standby current (typical 1??A at 3V) and low active current (typical 1mA at 3V, 1MHz), optimizing power efficiency for battery-powered devices.
• Unlimited read cycles, ensuring reliable data access without performance degradation over the device??s operational lifetime.

Advantages of M24C01-RMN6TP Over Alternative Solutions

Compared to larger EEPROMs, discrete non-volatile memory chips, or legacy parallel interfaces, the M24C01-RMN6TP offers three key advantages for B2B designs:

First, its 1KB capacity is perfectly sized for small-scale data storage needs. Larger EEPROMs (e.g., 2KB or 4KB) waste PCB space and increase cost for applications that only require storing configs, user settings, or calibration data. The M24C01-RMN6TP avoids this waste, making it a cost-effective choice for compact devices like IoT sensors or wearable tech.

Second, its I2C interface reduces design complexity. Parallel EEPROMs require 8+ data and address pins, while this device uses just two wires (SDA for data, SCL for clock). This cuts the number of PCB traces by 75%, saving valuable space-critical for miniaturized products like smart watches or portable medical monitors. It also supports multi-device communication, letting multiple sensors or memory chips share the same bus.

Third, its durability outperforms low-cost alternatives. Budget EEPROMs often offer only 100,000 write cycles and 10?C20 years of data retention, but the M24C01-RMN6TP delivers 1 million write cycles and 40 years of retention. This makes it ideal for long-life products like industrial controllers or home appliances, where frequent data updates and long-term reliability are essential.

Typical Applications of M24C01-RMN6TP

The M24C01-RMN6TP is engineered to solve small-scale non-volatile storage challenges across industries. Its key use cases include:

• 物聯網 (IoT): Storing sensor calibration data, network credentials, or device IDs in miniaturized sensors (e.g., environmental monitors, smart light bulbs) to maintain accuracy across power cycles.
• 消費性電子產品: Saving user preferences (e.g., audio volume, display brightness) in wearables (smart watches), smartphones, or portable audio devices-ensuring settings persist without reconfiguration.
• 家電: Retaining cycle settings (e.g., coffee maker brew strength, toaster timer) in small appliances, delivering consistent performance even after power disruptions.
• 工業自動化: Storing small-scale operational data (e.g., motor speed setpoints, sensor thresholds) in compact PLC modules, preventing data loss during power outages.
• 醫療設備: Preserving patient-specific settings (e.g., blood glucose monitor units, thermometer mode) in portable medical tools, complying with healthcare standards for data integrity.

常見問題 (FAQ)

Why is the 1KB capacity of the M24C01-RMN6TP useful for IoT devices?

IoT devices often only need to store small datasets like calibration values, network credentials, or device IDs-data that fits perfectly in 1KB. Using a larger EEPROM would waste space and increase cost, while the M24C01-RMN6TP??s size matches these needs, making it ideal for miniaturized IoT sensors.

How does the I2C interface simplify design for compact systems?

The I2C interface uses just two wires (SDA and SCL) instead of the 8+ pins required for parallel EEPROMs. This reduces PCB trace count, saves space, and lowers the risk of signal interference-critical for compact systems like wearables or mini IoT gateways where board real estate is limited.

Can the M24C01-RMN6TP operate in low-power battery-powered devices?

Yes, it is an excellent choice for battery-powered devices. Its 1.8V-5.5V voltage range works with common batteries (e.g., 3V coin cells, 1.8V lithium-ion), and its low standby current (1??A typical) minimizes power draw when idle. This extends battery life, a key requirement for remote IoT sensors or wearables.

What is the purpose of the write protection pin, and when should I use it?

The WP (write protection) pin disables write/erase operations when tied to VCC, protecting critical data from accidental modification. Use it in applications where data integrity is vital-for example, storing calibration values in industrial sensors or patient settings in medical devices-to prevent errors from software glitches or electrical noise.

How long will the M24C01-RMN6TP retain data, and how many times can I write to it?

It guarantees 40 years of data retention, so stored data remains intact even if the device is powered off for decades. It also supports 1 million write cycles, which is more than enough for most applications-even with daily writes, this would last over 2700 years, ensuring long-term reliability for end products.