AT24C256

The AT24C256 is a non-volatile EEPROM (Electrically Erasable Programmable Read-Only Memory) chip with a storage capacity of 256 kilobits, equivalent to 32 kilobytes. It is part of the AT24 series from Microchip Technology and is designed for use in applications requiring data storage and retrieval.
This EEPROM communicates via an I²C (Inter-Integrated Circuit) interface, which features two-wire serial communication using SDA (Serial Data) and SCL (Serial Clock) lines. It supports a wide range of operating voltages, typically from 1.7V to 5.5V, making it versatile for different systems.
The AT24C256 offers byte-level and page-level write operations, with a page size of 64 bytes. It features a write protection mechanism to safeguard data integrity and support for cascaded connections, allowing multiple devices on the same bus. The chip is available in various package types, including DIP, SOIC, and TSSOP, making it suitable for different circuit board designs.
It is commonly used in microcontroller-based applications for storing calibration data, configuration settings, and other persistent data.

Equivalent products to the AT24C256 EEPROM chip include:
1. Microchip 24LC256
2. STMicroelectronics M24C256
3. Cypress (Infineon) FM24C256
4. ROHM BR24G256
5. ON Semiconductor CAT24C256
These chips typically offer similar functionality, including 256-kilobit EEPROM with an I2C interface, and are used for non-volatile memory storage in various applications. Always check the datasheets for detailed compatibility.

The AT24C256 is a 256-kilobit (32KB) EEPROM (Electrically Erasable Programmable Read-Only Memory) device known for its non-volatile storage capabilities. Key features include:
1. I2C Interface: Supports fast-mode I2C communication with data transfer rates up to 400 kHz.
2. Memory Organization: Organized as 32,768 x 8-bit; byte and page write capabilities.
3. Page Write: Supports page write mode up to 64 bytes, improving data transmission efficiency.
4. Wide Voltage Range: Operates with a supply voltage range of 1.7V to 5.5V.
5. Low Power Consumption: Features low standby and active current consumption.
6. Hardware Write Protection: Includes a write-protect pin for safeguarding data integrity.
7. Endurance: Offers a minimum of 1,000,000 write cycles per byte with over 100 years of data retention.
8. Small Package Options: Available in various space-saving packages such as 8-lead SOIC and TSSOP.
The AT24C256 is suitable for applications requiring reliable data storage with low power and simple interfacing, such as consumer electronics, industrial equipment, and embedded systems.

The AT24C256 is manufactured by Microchip Technology Inc. This company is a leading American manufacturer of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. Microchip Technology provides a wide range of semiconductor products and is known for its focus on embedded control solutions. The company serves various industries, including automotive, industrial, consumer, aerospace, and communication sectors, by offering a broad portfolio of products that enable microcontrollers, analog devices, and memory products to be used in diverse applications. Microchip's emphasis on research and development ensures that they stay at the forefront of technological advancements, providing reliable and innovative solutions to meet the needs of their global customer base.

The AT24C256 is a 256-kilobit serial Electrically Erasable Programmable Read-Only Memory (EEPROM) used in various applications. It is commonly utilized in consumer electronics for storing firmware, configuration settings, and calibration data. In industrial systems, it helps maintain operating parameters and log data. The AT24C256 is also employed in automotive applications for storing diagnostic and vehicle-specific information. Additionally, it is used in communication systems for network configurations and in medical devices for patient data storage. Its I2C interface and non-volatile memory make it suitable for any application requiring reliable, small-scale data retention and retrieval.

The AT24C256 is typically available in several package types including 8-lead SOIC (Small Outline Integrated Circuit), 8-lead TSSOP (Thin Shrink Small Outline Package), and 8-lead PDIP (Plastic Dual In-line Package). These configurations allow for flexibility in mounting and space considerations in various electronic applications.