The **K24C080-RCTG-S** is a high-performance Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip. It is commonly used in consumer electronics, automotive modules, and industrial controllers for storing non-volatile configuration data. --- ### 1. Key Technical Specifications | Feature | Specification | | :--- | :--- | | **Memory Density** | 8 Kbits (1,024 bytes x 8 bits) | | **Interface** | I2C (2-Wire Serial Interface) | | **Operating Voltage** | 1.8V to 5.5V | | **Clock Frequency** | 400 kHz (Fast Mode) / 1 MHz (at 5V) | | **Package Type** | SOP-8 / TSSOP-8 (typically "S" denotes SOP) | | **Endurance** | 1,000,000 Write Cycles | | **Data Retention** | > 100 Years | --- ### 2. Functional Components 1. **Memory Array**: Organized into 64 pages of 16 bytes each. This architecture allows for efficient writing and reading of small data blocks. 2. **I2C Control Logic**: Manages the Start/Stop conditions, device addressing, and acknowledgment bits (ACK/NACK). 3. **Charge Pump**: An internal circuit that generates the high voltage required for erasing and programming the memory cells from a low-voltage supply. 4. **Write Protect (WP)**: A physical pin that, when connected to VCC, prevents any write operations to the memory, ensuring data security against accidental overwrites. --- ### 3. Pin Configuration | Pin Number | Name | Description | | :---: | :--- | :--- | | 1-3 | A0, A1, A2 | **Device Address Inputs**: Used to hardwire the chip's address (up to 8 devices on one bus). | | 4 | GND | **Ground**. | | 5 | SDA | **Serial Data**: Bidirectional pin for data transfer. | | 6 | SCL | **Serial Clock**: Synchronizes data transfer. | | 7 | WP | **Write Protect**: Hardware protection pin. | | 8 | VCC | **Power Supply**. | --- ### 4. Implementation Example (C++ Pseudo-code) To interact with this chip using an Arduino-like I2C library: ```cpp #include #define EEPROM_ADDR 0x50 // Base address for K24C08 void writeEEPROM(int address, byte data) { Wire.beginTransmission(EEPROM_ADDR); Wire.write((int)(address >> 8)); // MSB Wire.write((int)(address & 0xFF)); // LSB Wire.write(data); Wire.endTransmission(); delay(5); // Minimum write cycle time } ``` --- ### 5. Part Number Breakdown (Suffix Meaning) * **K24C08**: Series name (8K I2C EEPROM). * **R**: Generally denotes the Operating Voltage range (1.8V-5.5V). * **C**: Commercial or Industrial grade temperature rating. * **TG**: Refers to Green/Lead-free materials and Tape & Reel packaging. * **S**: SOP-8 (Small Outline Package) footprint.