The part number M24C02-RMN6TP is a 2Kbit (256x8) EEPROM from STMicroelectronics. This component is used for storing data in embedded systems and other digital electronics, with a specific focus on memory storage.
Packaging and Pin Configuration:
The M24C02-RMN6TP is in an SO-8 package, which is an 8-pin Small Outline package. This is a common package for small electronic components, especially memory devices like EEPROMs.
Below is the pinout for the M24C02-RMN6TP in the SO-8 package:
Pin Number Pin Name Pin Function 1 A0 Address Pin 0 2 A1 Address Pin 1 3 A2 Address Pin 2 4 GND Ground (0V) 5 SDA Serial Data Input/Output (I2C data line) 6 SCL Serial Clock Input (I2C clock line) 7 WP Write Protect (active low) 8 VCC Supply Voltage (typically 2.5V to 5.5V)Detailed Pin Functions and Descriptions:
Pin 1: A0 (Address Pin 0) This is the least significant bit of the 3-bit address for the device. It allows you to address up to 8 different devices on the same I2C bus. Pin 2: A1 (Address Pin 1) This is the middle bit of the 3-bit address for the device. It is used in conjunction with A0 and A2 to select different devices on the bus. Pin 3: A2 (Address Pin 2) This is the most significant bit of the 3-bit address for the device. Together with A0 and A1, this determines the specific address of the EEPROM. Pin 4: GND (Ground) This pin is used to connect the ground of the EEPROM to the system ground, completing the electrical circuit. Pin 5: SDA (Serial Data Input/Output) The SDA pin is the data line for I2C communication. This is used for sending and receiving data between the EEPROM and the microcontroller or processor. Pin 6: SCL (Serial Clock Input) The SCL pin is the clock line for I2C communication. It synchronizes the data transfer on the SDA line. Pin 7: WP (Write Protect) This pin, when connected to ground, enables write protection on the EEPROM, preventing data from being written to the memory. If not connected to ground, writing is allowed. Pin 8: VCC (Supply Voltage) The VCC pin supplies the voltage to the EEPROM. It typically operates between 2.5V and 5.5V, depending on the system's requirements.Pinout Summary Table:
Pin Number Pin Name Function 1 A0 Address Pin 0 2 A1 Address Pin 1 3 A2 Address Pin 2 4 GND Ground 5 SDA Data (I2C) 6 SCL Clock (I2C) 7 WP Write Protect 8 VCC Supply VoltageFAQs on the M24C02-RMN6TP:
What is the function of the A0, A1, and A2 pins on the M24C02-RMN6TP? The A0, A1, and A2 pins are used for device addressing in I2C communication. They select the unique address of the device when there are multiple devices on the same I2C bus. How do you communicate with the M24C02-RMN6TP? The M24C02-RMN6TP uses I2C protocol for communication. The SDA (data) and SCL (clock) lines are used for transferring data. What is the purpose of the WP (Write Protect) pin? The WP pin is used to prevent writing to the memory. If connected to ground, writing to the EEPROM is enabled. If left floating or connected to VCC, write protection is enabled. What is the operating voltage range for the M24C02-RMN6TP? The device operates within a supply voltage range of 2.5V to 5.5V. What is the maximum I2C clock speed for the M24C02-RMN6TP? The maximum clock speed for I2C communication with the M24C02-RMN6TP is typically 400kHz (Fast Mode), although it can support up to 1MHz (High-Speed Mode) in some configurations. Can the M24C02-RMN6TP be used in systems with multiple devices on the same I2C bus? Yes, the A0, A1, and A2 pins allow you to assign unique addresses to multiple M24C02-RMN6TP devices on the same I2C bus. How is data written to the M24C02-RMN6TP? Data is written to the device using the I2C protocol. The data is transferred via the SDA line with each byte being clocked in by the SCL line. How is data read from the M24C02-RMN6TP? Data is read from the device using I2C by sending a read command followed by the memory address to be read. Data is then received on the SDA line. What happens if the WP pin is not connected? If the WP pin is not connected or is left floating, write protection will be disabled, and you will be able to write data to the memory.What is the memory size of the M24C02-RMN6TP?
The M24C02-RMN6TP has 2K bits of memory, organized as 256 bytes, each 8 bits wide.What is the write cycle time for the M24C02-RMN6TP?
The typical write cycle time for the M24C02-RMN6TP is around 5ms.What happens if I connect VCC and GND pins incorrectly?
If the VCC and GND pins are reversed, the device will not function, and it may be damaged. Always double-check the power connections.Can the M24C02-RMN6TP operate in systems that require low power consumption?
Yes, the M24C02-RMN6TP is designed for low power consumption, making it suitable for battery-powered applications.How can I reset the M24C02-RMN6TP?
The device doesn't have a reset pin. It resets automatically when power is applied.What is the difference between the M24C02-RMN6TP and other EEPROM models from STMicroelectronics?
The main difference lies in the memory size, voltage range, and I2C communication speeds. The M24C02-RMN6TP specifically offers 2Kbit storage and I2C interface .Can I use the M24C02-RMN6TP for storing configuration data?
Yes, the M24C02-RMN6TP is suitable for storing small amounts of configuration data in embedded systems.What is the maximum number of writes supported by the M24C02-RMN6TP?
The M24C02-RMN6TP supports up to 1 million write/erase cycles per byte.Can I use the M24C02-RMN6TP in automotive applications?
Yes, the M24C02-RMN6TP can be used in automotive applications, provided the operating voltage and temperature range are met.What are the temperature ranges for the M24C02-RMN6TP?
The typical operating temperature range is from -40°C to +85°C.How can I prevent accidental writing to the M24C02-RMN6TP?
Use the WP pin to write protect the EEPROM. Connect it to ground to enable writing, or leave it floating or connect it to VCC to prevent writing.This should provide a complete and detailed description of the M24C02-RMN6TP and its functionality. If you need any further clarification, feel free to ask!