24C02 Serial EEPROM SMD 2Kbit I2C SOIC-8

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Pin Configuration The pin configuration in tabular is detailed below: Pin Number Pin Name Function 1 A0 Address0 pin 2 A1 Address1 pin 3 A2 Address2 pin 4 GND Ground Pin 5 SDA Open-drain Serial Data line pin 6 SCL Serial Clock line pin 7 WP Write Protect pin 8 VCC Positive Power supply pin Address pins These are the address pins of the integrated EEPROM chip. It is capable of connecting eight different 1K/2K devices on a single bus. I2C Interface The device has an inter-integrated circuit for data communication between the devices and EEPROM. SCL is the clock line of the protocol while SDA is a dual-directional line for transferring serial data. Write Protect The write protection is provided to the device to prevent any data modification. When it is connected to GND, it serves normal Write/Read operations. To enable the write protection attribute, connect it to the power supply pin. Block Diagram The block diagram to understand the internal circuitry of the EEPROM is as shown: 24C02 Key Features Low-voltage and Standard-voltage Operation 2.7 (VCC = 2.7V to 5.5V) 1.8 (VCC = 1.8V to 5.5V) Internally Organized 256 x 8 (2K) Two-wire Serial Interface Schmitt Trigger, Filtered Inputs for Noise Suppression Bidirectional Data Transfer Protocol 100 kHz (1.8V) and 400 kHz (2.7V, 5V) Compatibility Write Protect Pin for Hardware Data Protection 8-byte Page (1K, 2K) Write Modes Partial Page Writes Allowed Self-timed Write Cycle (5 ms max) High-reliability Endurance: 1 Million Write Cycles Data Retention: 100 Years Applications Communication systems Automobiles Data Storage Consumer electronics Industrial applications Testing devices 24C02 Datasheet