Part Number: M24C16-WMN6TP

Manufacturer: STMicroelectronics

Description: IC EEPROM 16KBIT I2C 400KHZ 8SO

Shipped from: Shenzhen/HK Warehouse

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The M24C16-WMN6TP9 is a powerful EEPROM (electrically erasable programmable memory) with 16 Kbits and I2C compatibility. It comes in an 8-SO form. This memory IC can be used for many different tasks in electronics and embedded systems because it is set up as 2K by 8 bits. This guide is meant to help you learn everything you need to know about the M24C16-WMN6TP9, including its features, specs, and how to use it in your projects. Whether a new engineer or an old pro, this piece will give you the information you need to use this EEPROM memory IC to its fullest.

Introduction to the M24C16-WMN6TP9 EEPROM Memory IC

High-performance EEPROM (electrically erasable programmable memory) integrated circuit made by STMicroelectronics is called the M24C16-WMN6TP9. For data storage in many electronic devices and applications, it provides a convenient and dependable solution. Since EEPROMs are non-volatile memory devices and keep data even when the power is turned off, they are excellent for storing important data.

An explanation of its 16-Kbit capacity and 2K x 8-bit organization The M24C16-WMN6TP9’s total storage capacity, or 16,384 bits, is indicated by the “16-Kbit” specification. The memory is set up as 2K x 8 bits, where “2K” stands for 2 kilobits (2,048 bits) and “8 bits” denotes the capacity of 8 binary digits (bits) per memory location. The IC can store 2,048 bytes of information thanks to this structure.

Applications and Benefits of the I2C-Compatible Interface

The I2C (Inter-Integrated Circuit) interface is used by the M24C16-WMN6TP9, which offers a number of benefits and makes it a popular option for many applications.

Simple Two-Wire Serial Communication Interface

  • The I2C protocol uses a straightforward two-wire serial communication interface that makes it simple to integrate into a variety of electrical systems. Fewer pins are needed, which lessens the complexity of circuit designs.


  • The I2C interface enables easy integration of numerous ICs into a system by allowing multiple devices to interact on the same bus. For applications requiring several memory devices or peripheral components, this makes it the perfect option.

Low Power Consumption

  • The I2C interface uses less power when transmitting data, making it suited for battery-operated and energy-efficient devices.
  • I2C offers hot-swapping, which enables the addition or removal of devices from the bus without impacting the operation of other devices connected to the same bus.
  • I2C has been widely adopted by a variety of industries, which has resulted in a large number of devices and parts that are compatible with it.

The M24C16-WMN6TP9 EEPROM can be used in a variety of I2C-compatible systems, including but not restricted to:

Data storage

  • The process by which microcontrollers, sensors, and other electronic systems store calibration data, user preferences, and configuration settings.
  • Applied in embedded systems to store important data and firmware upgrades.

Industrial Control

  • Used to store crucial data in PLCs (Programmable Logic Controllers) and industrial control systems.

Consumer Electronics

  • Used to store user preferences and settings in gadgets like smart TVs, set-top boxes, and music players.

Internet of Things (IoT)

  • The M24C16-WMN6TP9 can store sensor data and configuration information for IoT applications.
  • Integrated with wearables like smartwatches and fitness trackers for data logging and configuration storage.

M24C16-WMN6TP9 Features and Specifications

  1. Key Features
    • 16-Kbit capacity (2K x 8 bits) for ample data storage.
    • I2C-compatible interface for easy integration.
    • Low power consumption for energy efficiency.
    • High reliability and data integrity.
    • Built-in write protection for secure data.
    • High endurance for frequent data updates.
    • Page write and random read capabilities.
    • Suitable for industrial applications.
  2. Supply Voltage Range for Variants:
    • M24C16-W: 2.5 V to 5.5 V (standard applications).
    • M24C16-R: 1.8 V to 5.5 V (lower voltage applications).
    • M24C16-F: 1.7 V to 5.5 V, extended to 1.6 V to 1.7 V (with restrictions).
  3. Extended Supply Voltage (M24C16-F):
    • Supports 1.6 V to 1.7 V.
    • Restrictions: Reduced speed, limited endurance, shorter data retention.
  4. Clock Frequency Options:
    • Operates at 400 kHz or lower.
    • Higher frequency for faster data transfer.
    • Clock selection is based on speed and power requirements.

I2C Communication Protocol

A popular two-wire serial interface that enables communication between numerous devices is the I2C communication protocol. It uses a serial data line (SDA) and a serial clock line (SCL) in a master-slave architecture to function. 7-bit addresses are used to uniquely identify devices. Both regular mode (up to 100 kHz) and rapid mode (up to 400 kHz) are options for data transport.

The I2C-based M24C16-WMN6TP9 EEPROM has a 7-bit address and uses I2C. Addressing, data transfer, and acknowledgment are all components of communication. It requires suitable hardware connections, I2C initialization, addressing, data transfer, and error handling to interface the EEPROM with microcontrollers and other devices.

Read and Write Operations for M24C16-WMN6TP9

Reading Data from the Memory

  • Initialize I2C and set it as a master device.
  • Send start condition to initiate communication.
  • Send device address and Read bit (R/W = 1).
  • Receive data from the EEPROM by clocking in bits.
  • Send stop condition to conclude.

Best Practices for Writing Data

  • Use page writes for multiple bytes in a single cycle.
  • Minimize frequent erasures to prolong EEPROM lifespan.
  • Implement error checking for data integrity.
  • Backup critical data to prevent loss.

Handling Data Erasure and Rewriting:

  • Erase data by overwriting with new values.
  • For partial rewriting, modify specific bytes in a page.
  • Consider wear-leveling to evenly distribute write cycles.
  • Verify data after erasure and rewriting.

Power Supply Considerations for M24C16-WMN6TP9

Specified Supply Voltage Range:

  • Crucial for reliable operation.
  • Ensures stable performance.
  • Operating within range prevents damage.

Power Consumption and Battery-Powered Applications:

  • Low power design for efficiency.
  • Extends battery life.
  • Enables smaller, portable devices.

Voltage Regulators and Noise Suppression:

  • Maintain a stable power supply.
  • Prevents data corruption.
  • Enhances device longevity and performance.


In conclusion, the M24C16-WMN6TP9 EEPROM memory IC is an exceptional and versatile solution for data storage in electronics projects. Mastering its features, specifications, and communication via the I2C protocol is crucial for seamless integration. This comprehensive guide equips you with the necessary knowledge to harness the full potential of the M24C16-WMN6TP9 in your future endeavors.

To fully unleash the remarkable features of the M24C16-WMN6TP9 and elevate your electronic designs, we strongly encourage you to act now and order from ICRFQ, China’s leading distributor of electronic components. Our unwavering commitment to quality and reliable services ensures a smooth and successful integration of this EEPROM into your projects. Don’t let this opportunity slip away; seize it today and revolutionize your electronic designs with the M24C16-WMN6TP9.

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