M24C512-RMN6TP - 512Kbit I2C EEPROM | STMicroelectronics
MPN: M24C512-RMN6TP β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.85 | $0.85 |
| 10 | $0.76 | $7.60 |
| 100 | $0.68 | $68.00 |
| 500 | $0.61 | $305.00 |
| 1,000 | $0.55 | $550.00 |
Drop-in alternatives for M24C512-RMN6TP β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
M24C512-WMN6TP
β Drop-Inπ Reference alternative (not in catalog)
M24C512-RMN6TP-Auto
β Drop-Inπ Reference alternative (not in catalog)
M24C512-RMN6P
β Drop-Inπ Reference alternative (not in catalog)
AT24C512C-SSHM-B
β Drop-Inπ Reference alternative (not in catalog)
CAT24C512LI-G
β Drop-Inπ Reference alternative (not in catalog)
M24C512-RMN6TP Maximum Ratings & Electrical Characteristics
| Memory Size | 512 Kbit (64K x 8) |
| Interface Type | I2C |
| Maximum Clock Frequency | 1 MHz |
| Supply Voltage - Min | 1.8 V |
| Supply Voltage - Max | 5.5 V |
| Write Cycle Time | 5 ms (typical) |
| Page Size | 128 bytes |
| Number of Pages | 512 |
| Operating Temperature Range | -40C to +85C |
| Package | SOIC-8 (SO-8) |
| Mounting Style | SMD/SMT |
| Supply Current - Max | 2 mA (read) |
| Write Protect | Yes |
| RoHS | Compliant |
| Halogen Free | Yes |
M24C512-RMN6TP Pin Configuration
| Pin 1 | A0 β Address input 0 |
| Pin 2 | A1 β Address input 1 |
| Pin 3 | A2 β Address input 2 |
| Pin 4 | VSS β Ground |
| Pin 5 | SDA β Serial data |
| Pin 6 | SCL β Serial clock |
| Pin 7 | WC β Write control |
| Pin 8 | VCC β Power supply |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
M24C512-RMN6TP is suitable for 6 applications: Industrial Control Systems, Smart Meters, Medical Devices, Automotive Electronics, IoT Devices, Networking Equipment.
Industrial Control Systems
The M24C512-RMN6TP is used in industrial control systems for storing configuration parameters, calibration data, and event logs. Its wide operating voltage range (1.8V-5.5V) and high clock frequency (1 MHz) ensure reliable operation in harsh environments. The device's non-volatile memory retains data during power loss, which is critical for maintaining system state. In a typical PLC (Programmable Logic Controller), the EEPROM stores ladder logic programs and setpoints. The I2C interface allows easy integration with microcontrollers, and the write protect pin prevents accidental data corruption during field maintenance. The 128-byte page write capability reduces programming time, improving manufacturing efficiency. With an operating temperature range of -40C to +85C, it is suitable for factory floor environments. The device's low power consumption (2 mA read current) is beneficial for energy-efficient designs. Overall, the M24C512-RMN6TP provides a robust and flexible storage solution for industrial applications.
Recommended
Smart Meters
Smart meters require reliable non-volatile memory to store consumption data, tariff information, and calibration constants. The M24C512-RMN6TP's 512Kbit capacity is sufficient for storing monthly usage history. Its wide voltage range (1.8V-5.5V) accommodates battery-powered operation and various power supply designs. The I2C interface simplifies communication with the metering IC, and the high clock speed (1 MHz) enables fast data retrieval. The device's low standby current (1 uA) extends battery life, which is crucial for smart meters that operate for years on a single battery. The write protect pin ensures that calibration data is not accidentally overwritten. The 128-byte page write allows efficient storage of periodic readings. With an operating temperature range of -40C to +85C, it can withstand outdoor installation conditions. The M24C512-RMN6TP is a cost-effective solution for smart metering applications, providing high reliability and long-term data retention.
Recommended
Medical Devices
In medical devices, the M24C512-RMN6TP is used to store patient data, device settings, and firmware updates. Its non-volatile memory ensures data persistence during power cycles, which is essential for patient safety. The wide voltage range (1.8V-5.5V) allows operation from various power sources, including batteries. The I2C interface is widely supported by medical-grade microcontrollers. The device's high reliability and long data retention (typically 40 years) meet medical standards. The write protect pin prevents unauthorized modifications to critical settings. The 128-byte page write enables efficient storage of large data blocks, such as waveform recordings. With an operating temperature range of -40C to +85C, it can be used in portable and wearable medical devices. The low power consumption is beneficial for battery-powered devices. The M24C512-RMN6TP is a trusted choice for medical applications requiring secure and reliable data storage.
Recommended
Automotive Electronics
The M24C512-RMN6TP is used in automotive electronics for storing vehicle configuration, diagnostic data, and infotainment settings. Although the standard version is not AEC-Q100 qualified, the -Auto variant is available for automotive applications. The device's wide voltage range (1.8V-5.5V) supports both 3.3V and 5V automotive systems. The I2C interface is common in automotive ECUs, and the high clock speed (1 MHz) enables fast data access. The device's robust design withstands temperature extremes (-40C to +85C) and vibration. The write protect pin prevents accidental data corruption during vehicle maintenance. The 128-byte page write allows efficient storage of large data sets, such as navigation maps. The low power consumption is beneficial for battery management systems. For automotive use, it is recommended to use the AEC-Q100 qualified M24C512-RMN6TP-Auto to meet industry standards. The M24C512-RMN6TP provides a reliable storage solution for various automotive applications.
Recommended
IoT Devices
In IoT devices, the M24C512-RMN6TP is used to store device credentials, sensor calibration data, and firmware updates. Its non-volatile memory ensures data persistence during power loss, which is critical for device security. The wide voltage range (1.8V-5.5V) allows operation from batteries or energy harvesting sources. The I2C interface is simple and widely supported by IoT microcontrollers. The device's low power consumption (1 uA standby) extends battery life, which is essential for battery-powered IoT nodes. The high clock speed (1 MHz) enables fast data transfer, reducing active time. The write protect pin prevents unauthorized access to sensitive data. The 128-byte page write allows efficient storage of sensor logs. With an operating temperature range of -40C to +85C, it can be used in outdoor IoT deployments. The M24C512-RMN6TP is a compact and reliable storage solution for IoT applications, enabling secure and efficient data management.
Recommended
Networking Equipment
The M24C512-RMN6TP is used in networking equipment such as routers and switches to store configuration files, firmware images, and MAC address tables. Its non-volatile memory ensures data persistence during power cycles, which is critical for network reliability. The wide voltage range (1.8V-5.5V) supports various power supply designs. The I2C interface is commonly used for EEPROMs in networking devices, and the high clock speed (1 MHz) enables fast configuration loading. The device's high endurance (1 million write cycles) ensures long-term reliability. The write protect pin prevents accidental configuration changes. The 128-byte page write allows efficient storage of large configuration files. With an operating temperature range of -40C to +85C, it can be used in data centers and outdoor cabinets. The low power consumption is beneficial for energy-efficient networking equipment. The M24C512-RMN6TP provides a dependable storage solution for networking applications.
Recommended
Recommended Products Summary
Engineering reference data for M24C512-RMN6TP β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M24C512-WMN6TP | M24C512-RMN6TP-Auto | AT24C512C-SSHM-B | CAT24C512LI-G |
|---|---|---|---|---|---|
| Package | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 | SOIC-8 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | Microchip Technology | onsemi |
| Memory Size | 512 Kbit | 512 Kbit | 512 Kbit | 512 Kbit | 512 Kbit |
| Supply Voltage Range | 1.8V - 5.5V | 2.5V - 5.5V | 1.8V - 5.5V | 1.7V - 5.5V | 1.8V - 5.5V |
| Max Clock Frequency | 1 MHz | 1 MHz | 1 MHz | 1 MHz | 1 MHz |
| Write Cycle Time | 5 ms | 5 ms | 5 ms | 5 ms | 5 ms |
| Page Size | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
| AEC-Q100 Qualified | No | No | Yes | No | No |
Key Differentiators
- Wider voltage range than M24C512-WMN6TP (vs M24C512-WMN6TP)
- Automotive-grade variant available (vs M24C512-RMN6TP-Auto)
- Cross-brand compatibility with Microchip and onsemi (vs AT24C512C-SSHM-B)
Design Notes
Place a 0.1uF decoupling capacitor close to the VCC pin (pin 8) and a 10kOhm pull-up resistor on both SDA and SCL lines to VCC. For high-speed operation (1 MHz), keep the I2C trace lengths short and avoid stubs to minimize signal reflections.
Ensure the write protect (WC) pin is properly connected. If left floating, it may cause unpredictable write protection. Tie WC to ground for normal operation or to VCC to enable write protection. Also, verify that the device address pins (A0, A1, A2) are set correctly to avoid bus conflicts.
The M24C512-RMN6TP operates from 1.8V to 5.5V. Ensure the supply voltage is stable and within this range. During write operations, the current can spike; use a bulk capacitor (e.g., 10uF) in addition to the 0.1uF decoupling capacitor to maintain voltage stability.
Compliance Information
RoHS compliant and halogen-free per STMicroelectronics datasheet. Not AEC-Q100 qualified; use -Auto variant for automotive.
