on September 2th 344

Structure and Application of M24C16-RMN6TP EEPROM Chip

Catalog

M24C16-RMN6TP is a serial electronic memory chip produced by STMicroelectronics, which belongs to the EEPROM (Electrically Erasable Programmable Read-Only Memory) series. It is widely used in video cameras, embedded logic, supercomputers, hard drives, DVD disk buffers and static random access memories. This article will introduce M24C16-RMN6TP in detail to help you better understand and apply this chip.

M24C16-RMN6TP description

M24C16-RMN6TP is a 16Kbit I2C serial electronic memory launched by STMicroelectronics. It uses an I2C serial interface and supports multiple write protection modes. This device has fast data access speed and highly integrated design, so it can be widely used in various electronic equipment. The operating voltage range of the M24C16-RMN6TP is between 2.5V and 5.5V, while its operating temperature range is -40°C to +85°C. In addition, the chip comes in an 8-pin SOIC package, which is both convenient for soldering and assembly.

Alternative models:

• BR24G16FJ-3GTE2

• CAT24C16WI-G

• M24C16-RMN6P

• 24AA16T-E/SN

Basic structure and working principle of M24C16-RMN6TP

M24C16-RMN6TP adopts 8-bit address addressing mode and contains a total of 2048 addresses. Each address corresponds to an 8-bit data storage unit. There is also a control logic unit inside the chip, which is responsible for processing the reading and writing operations of data. In addition, the chip also has a write protection function, which can effectively prevent data from being accidentally written or erased by setting the control register. And the working principle of M24C16-RMN6TP is based on the I2C bus protocol, which implements communication between a master and one or more slave devices. The master reads or writes data from the slave device by sending instructions and data. M24C16-RMN6TP completes data storage and access functions through internal registers and logic circuits.

Technical parameters of M24C16-RMN6TP

• Manufacturer: STMicroelectronics

• Package / Case: SOIC-8

• Packaging: Tape & Reel (TR)

• Access Time: 900 ns

• Memory Size: 16 kbit

• Clock Frequency: 400 kHz

• Interface Type: 2-Wire, I2C

• Supply Voltage: 1.8V ~ 5.5V

• Operating Temperature: -40°C ~ 85°C

• Maximum Clock Frequency: 400 kHz

• Mounting Style: SMD/SMT

• Length/Width/Height/: 5 mm/4 mm/1.65 mm

• Product Category: EEPROM

What are the market competitive advantages of M24C16-RMN6TP?

Multiple write protection modes

M24C16-RMN6TP supports multiple write-protection modes, which can effectively prevent data from being accidentally rewritten or lost and improve data security. This feature is especially important in devices that need to store important data for a long time.

High performance

M24C16-RMN6TP has a fast data access speed and highly integrated design to meet the performance requirements of various electronic devices on memory. Its l2C bus rate up to 400kHz, can quickly complete the data read and write operations, improve the operational efficiency of the device.

Good compatibility and ease of use

M24C16-RMN6TP has good compatibility with various I2C bus interface modes and can be easily integrated into various systems. In addition, its simple operation and easy-to-understand programming interface enable developers to easily configure and use it, reducing development difficulty and cost.

Wide range of application areas

M24C16-RMN6TP can be used in a variety of electronic devices, such as electronic locks, smart meters, memory expansion and so on. Its flexible configuration and highly integrated design enable it to meet the needs of different devices and provide reliable data storage solutions for various application scenarios.

Package of M24C16-RMN6TP

The M24C16-RMN6TP has a length of 5 mm, a width of 4 mm, and a height of 1.65 mm, and comes in SOIC-8 package and tape and reel packaging.

Data transmission process of M24C16-RMN6TP on the I2C bus

In actual applications, the host sends commands and addresses to the M24C16-RMN6TP through the I2C interface to implement read and write operations on the memory. For example, the host can send a read command and memory address, and the M24C16-RMN6TP will return the data at the corresponding address to the host through the I2C bus. Similarly, the host can send write commands and data, and the M24C16-RMN6TP will write the data to the memory at the specified address.

The transfer process includes the following steps:

Start condition: The host (such as a microcontroller) generates a start condition by pulling the SDA pin from high to low while keeping the SCL pin high. This marks the start of data transfer on the I2C bus.

Address frame: The host then outputs a 7-bit device address and a 1-bit read and write direction bit on the SDA pin. For the M24C16-RMN6TP, the device address is 1010000 (binary). Among them, when the read and write direction bit is 1, it means that the host will send data to the device (that is, a write operation); when the read and write direction bit is 0, it means that the host will receive data from the device (that is, a read operation).

Data frame: After the address frame, data is transmitted between the host and the device. The data frame includes 8 bits of data and an acknowledge bit. The host outputs data on the SDA pin and the device receives the data. After each data bit is transferred, the clock signal on the SCL pin latches the data on the SDA pin.

Acknowledgment bit: After the last data transmission of the data frame is completed, the receiving device (M24C16-RMN6TP) pulls the SDA pin low, indicating that the received data is correct. After the host detects that the response bit is low, it can continue to send the next data frame, or send a stop condition to end the data transmission.

Stop condition: The host generates a stop condition by pulling the SDA pin from low level to high level and keeping the SCL pin at high level at the same time. This marks the end of data transfer on the I2C bus.

Maximum ratings of M24C16-RMN6TP

Operating the device beyond the ratings specified in the accompanying table may result in irreversible damage. These ratings serve as stress limits exclusively, and utilizing the device under these or any other conditions not explicitly outlined in the operational segments of this specification is not inferred. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Compliant with JEDEC Std J-STD-020D (for small body, Sn-Pb or Pb-free assembly), the ST ECOPACK 7191395 specification, and the European directive on Restrictions of Hazardous Substances (RoHS directive 2011/65/EU of July 2011).

Positive and negative pulses applied on different combinations of pin connections, according to AEC-Q100-002 (compliant with ANSI/ESDA/JEDEC JS-001-2012 standard, C1=100 pF, R1=1500 Ω).

How to implement write protection mode on M24C16-RMN6TP?

The write-protect mode of M24C16-RMN6TP is realized by specific hardware design and software control. First of all, this memory has a configurable write-protect function, and the user can enable or disable the write-protection by setting the corresponding register bits. When write-protection is enabled, any attempt to write to the memory will be blocked, ensuring that the data stored in it will not be accidentally altered or corrupted. Secondly, the write-protect mode can be realized through software programming. The user can activate or deactivate write protection by sending specific commands or sequences to the M24C16-RMN6TP. This approach allows the user to dynamically change the protection status of the memory when needed to suit different application requirements. In addition, the M24C16-RMN6TP supports hardware level write protection. This means that the memory itself has some fixed hardware characteristics that prevent unauthorized write operations to it. This hardware-level protection enhances the security of the memory so that only devices with proper privileges and authentication can write to the memory.

Frequently Asked Questions [FAQ]

1. What is EEPROM used for?

EEPROM is a type of non-volatile ROM that enables individual bytes of data to be erased and reprogrammed. That is why EEPROM chips are known as byte erasable chips. EEPROM is usually used to store small amounts of data in computing and other electronic devices.

2. What is M24C16-RMN6TP?

M24C16-RMN6TP is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) integrated circuit manufactured by STMicroelectronics.

3. Can M24C16-RMN6TP be used for storing sensitive data?

While M24C16-RMN6TP provides non-volatile storage, it's not designed specifically for secure data storage. For sensitive data, additional security measures such as encryption and authentication may be necessary.