M24C32-RMN6TP - 32Kbit I2C EEPROM | STMicroelectronics
MPN: M24C32-RMN6TP β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.45 | $0.45 |
| 10 | $0.4 | $4.00 |
| 100 | $0.35 | $35.00 |
| 500 | $0.3 | $150.00 |
| 1,000 | $0.25 | $250.00 |
Drop-in alternatives for M24C32-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:
M24C32-WMN6TP
β Drop-Inπ Reference alternative (not in catalog)
M24C32-RMN6P
β Drop-Inπ Reference alternative (not in catalog)
M24C32-RMN6TG
β Drop-Inπ Reference alternative (not in catalog)
AT24C32E-SSHM-T
β Drop-Inπ Reference alternative (not in catalog)
CAT24C32WI-GT3
β Drop-Inπ Reference alternative (not in catalog)
24AA32AT-I/SN
β Drop-Inπ Reference alternative (not in catalog)
M24C32-RMN6TP Maximum Ratings & Electrical Characteristics
| Memory Size | 32 Kbit (4 Kbyte) |
| Organization | 4096 x 8 bits |
| Interface Type | I2C (2-wire) |
| Maximum Clock Frequency | 400 kHz (Fast mode), 1 MHz (Fast mode Plus) |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Write Cycle Time | 5 ms (typical) |
| Page Size | 32 bytes |
| Write Protect | Yes (WC pin) |
| Operating Temperature Range | -40Β°C to +85Β°C |
| Standby Current | 1 uA (typical) |
| Active Current (Read) | 0.5 mA (typical at 400 kHz) |
| Endurance | 1 million write cycles |
| Data Retention | 40 years |
| Package | SO-8N (150 mil) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Halogen Free | Yes |
M24C32-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 (I2C) |
| Pin 6 | SCL β Serial clock (I2C) |
| Pin 7 | WC β Write control (active high) |
| 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
M24C32-RMN6TP is suitable for 6 applications: Industrial Sensor Calibration, Medical Device Configuration, Networking Equipment Configuration, Consumer Electronics Firmware Storage, IoT Device Parameter Storage, Automotive Electronics.
Industrial Sensor Calibration
The M24C32-RMN6TP is used to store calibration coefficients and configuration data in industrial sensors. Its wide voltage range (1.8V-5.5V) and industrial temperature range (-40Β°C to +85Β°C) ensure reliable operation in harsh environments. The I2C interface allows easy integration with microcontrollers, and the low standby current (1 uA) is ideal for battery-powered sensors. In a typical application, the sensor's microcontroller reads calibration data from the EEPROM at power-up and updates it periodically. The write protect pin (WC) can be used to prevent accidental writes during operation. The 32-Kbit capacity is sufficient for storing multiple calibration tables and device parameters. The high endurance (1 million cycles) ensures long-term reliability in applications that require frequent calibration updates.
Recommended
Medical Device Configuration
In medical devices, the M24C32-RMN6TP stores device configuration, calibration data, and usage logs. Its high reliability (40-year data retention, 1 million write cycles) is critical for patient safety and regulatory compliance. The wide voltage range allows operation from 3.3V or 5V supplies commonly used in medical electronics. The small SO-8 package saves PCB space in compact devices. The I2C interface simplifies communication with the main processor. The write protect feature prevents accidental data corruption. The low power consumption extends battery life in portable medical monitors. The industrial temperature range ensures operation in clinical environments. The device is RoHS compliant and halogen-free, meeting medical device environmental standards.
Recommended
Networking Equipment Configuration
The M24C32-RMN6TP is used in networking equipment (routers, switches) to store MAC addresses, device configuration, and firmware update metadata. Its fast write cycle (5 ms) and page write mode (32 bytes) enable efficient configuration updates. The wide voltage range (1.8V-5.5V) supports various logic levels in networking hardware. The high endurance (1 million cycles) is suitable for frequent configuration changes. The I2C interface is widely supported by network processors and management controllers. The small package allows placement on dense PCBs. The industrial temperature range ensures operation in equipment rooms with varying temperatures. The device's reliability ensures that network settings are preserved across power cycles.
Recommended
Consumer Electronics Firmware Storage
In consumer electronics (smart TVs, set-top boxes, gaming consoles), the M24C32-RMN6TP stores firmware update metadata, user settings, and device serial numbers. Its low cost and small footprint make it ideal for high-volume production. The wide voltage range (1.8V-5.5V) is compatible with various SoC power domains. The fast write cycle (5 ms) allows quick firmware updates. The page write mode (32 bytes) reduces write time for large data blocks. The high endurance (1 million cycles) supports frequent updates. The I2C interface is standard in consumer SoCs. The device's reliability ensures that user settings are retained across power cycles. The RoHS compliance meets global environmental regulations.
Recommended
IoT Device Parameter Storage
The M24C32-RMN6TP is ideal for IoT devices that need to store device credentials, sensor calibration, and network configuration. Its ultra-low standby current (1 uA) is critical for battery-powered IoT nodes. The wide voltage range (1.8V-5.5V) supports energy harvesting and battery chemistries. The small SO-8 package fits in compact IoT modules. The I2C interface is supported by most microcontrollers and wireless SoCs. The write protect pin (WC) prevents unauthorized writes, enhancing security. The high endurance (1 million cycles) supports frequent updates in dynamic environments. The 40-year data retention ensures long-term operation in the field. The industrial temperature range allows deployment in outdoor and industrial IoT applications.
Recommended
Automotive Electronics
In automotive electronics, the M24C32-RMN6TP stores odometer data, seat position settings, and infotainment system configuration. Its wide voltage range (1.8V-5.5V) and industrial temperature range (-40Β°C to +85Β°C) meet automotive requirements. The high endurance (1 million cycles) supports frequent writes in applications like trip computers. The I2C interface is widely used in automotive ECUs. The small SO-8 package is suitable for space-constrained modules. The write protect feature prevents accidental data corruption. The device's reliability is critical for safety-related data. The RoHS compliance meets automotive environmental standards. The 40-year data retention ensures data persists for the vehicle's lifetime.
Recommended
Recommended Products Summary
Engineering reference data for M24C32-RMN6TP β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | M24C32-WMN6TP | AT24C32E-SSHM-T | CAT24C32WI-GT3 |
|---|---|---|---|---|
| Package | SO-8N (150 mil) | SO-8N (150 mil) - same | SO-8N (150 mil) - same | SO-8N (150 mil) - same |
| Brand | STMicroelectronics | STMicroelectronics | Microchip Technology | onsemi |
| Memory Size | 32 Kbit | 32 Kbit | 32 Kbit | 32 Kbit |
| Operating Voltage Range | 1.8V to 5.5V | 2.5V to 5.5V | 1.7V to 5.5V | 1.8V to 5.5V |
| Maximum Clock Frequency | 1 MHz | 1 MHz | 1 MHz | 1 MHz |
| Write Cycle Time | 5 ms | 5 ms | 5 ms | 5 ms |
| Page Size | 32 bytes | 32 bytes | 32 bytes | 32 bytes |
| Endurance | 1 million cycles | 1 million cycles | 1 million cycles | 1 million cycles |
Key Differentiators
- Wider voltage range than same-brand alternative (vs M24C32-WMN6TP)
- Higher maximum clock frequency than some cross-brand alternatives (vs AT24C32E-SSHM-T)
- STMicroelectronics brand reliability (vs CAT24C32WI-GT3)
Design Notes
Place a 0.1 uF ceramic decoupling capacitor as close as possible to the VCC pin (pin 8) and ground. The capacitor should be connected between VCC and VSS with short traces. For I2C bus, use pull-up resistors (typically 4.7 kOhm for 100 kHz, 2.2 kOhm for 400 kHz, 1 kOhm for 1 MHz) on SDA and SCL lines. The pull-up resistors should be connected to the same supply voltage as the EEPROM's VCC. Ensure the bus capacitance does not exceed the maximum specified in the datasheet (typically 400 pF).
Do not exceed the maximum write cycle time of 5 ms when performing consecutive writes. The device will not acknowledge during the write cycle, so the master must wait for the write cycle to complete before sending the next command. Also, ensure the WC pin is properly tied to ground for write operations or to VCC for write protection. Floating the WC pin can cause unpredictable behavior. Additionally, verify that the I2C address pins (A0, A1, A2) are correctly tied to VCC or VSS to avoid address conflicts on the bus.
The M24C32-RMN6TP has a standby current of 1 uA and an active read current of 0.5 mA at 400 kHz. For battery-powered applications, use the device's standby mode by ensuring the I2C bus is idle. The device automatically enters standby mode when the bus is inactive. To minimize power consumption, avoid continuous polling and use the device's sequential read feature to read multiple bytes in one operation. Also, consider using the write protect pin to prevent accidental writes that could increase power consumption.
Compliance Information
RoHS compliant and halogen-free per STMicroelectronics product page. Not AEC-Q100 qualified; for automotive, consider AEC-Q100 qualified variants if available.
