AT25640B-XHL-T

The AT25640B-XHL-T is a 256Kb (32K x 8) Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed for a range of applications requiring non-volatile data storage. It interfaces via I2C, allowing multiple devices to be connected on the same bus, which is suitable for microcontroller communications.
Key features include a wide operating voltage range (1.8V to 5.5V), low power consumption, and fast write speeds. The device supports page write operations, making it efficient for bulk data storage. Additionally, it includes built-in write protection and supports 1,000,000 write/erase cycles, ensuring durability for long-term use.
The AT25640B-XHL-T is ideal for applications in consumer electronics, automotive, and industrial systems, where reliable and compact data storage is crucial. Its small package size also facilitates integration into space-constrained designs. Overall, this EEPROM is a robust option for developers seeking reliable, low-power non-volatile storage solutions.

The AT25640B-XHL-T is an EEPROM chip with specific characteristics. Equivalent products include the 25LC640, 93C640, and M24C640. When selecting equivalents, consider key specifications such as memory size, voltage, and interface type (SPI or I2C). Always verify compatibility with your specific application requirements.

The AT25640B-XHL-T is a 512 Kbit (64 K x 8) Serial EEPROM from Microchip Technology. Key features include:
1. Interface: Utilizes an I2C-compatible interface for easy integration.
2. Operating Voltage: Typically operates from 1.8V to 5.5V, making it versatile for various applications.
3. Data Retention: Offers a data retention period of up to 100 years, ensuring long-term reliability.
4. Endurance: Supports up to 1 million write/erase cycles per memory cell.
5. Page Write: Allows for page write operations, enhancing efficiency by writing multiple bytes in a single operation.
6. Low Power Consumption: Consumes minimal power, suitable for battery-operated devices.
7. Temperature Range: Operates within a wide temperature range of -40°C to +85°C.
8. Compact Size: Available in various packages, including TSSOP and DFN, facilitating space-constrained designs.
These features make the AT25640B-XHL-T ideal for applications such as consumer electronics, automotive, and industrial devices that require reliable non-volatile memory.

The AT25640B-XHL-T is a 256 Kbit (32 K x 8) serial EEPROM from Microchip Technology. It features a total of 8 pins. The pin functions are as follows:
1. VCC: Supply voltage (typically 2.7V to 5.5V).
2. GND: Ground.
3. SCL: Serial Clock input for synchronous communication.
4. SDA: Serial Data input/output for communication.
5. WP: Write Protect; controls write operations.
6. HOLD: Hold; used to pause communication without resetting the device.
7. NC: No Connect; not internally connected (reserved for future use).
8. NC: No Connect; as above.
The device uses I2C or SPI communication protocols, allowing easy integration into microcontroller applications.

The AT25640B-XHL-T is manufactured by Microchip Technology Inc., a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in embedded control solutions for a wide range of applications, including automotive, industrial, consumer, and communications. The company is well-known for its microcontrollers (MCUs), digital signal controllers (DSCs), and various memory products, including EEPROM and Flash memory.
Microchip's offerings are designed to be cost-effective and energy-efficient, catering to both low-power and high-performance requirements in embedded systems. The AT25640B-XHL-T specifically is an 8K-bit EEPROM (Electrically Erasable Programmable Read-Only Memory) device, often used for data storage applications in consumer electronics, automotive systems, and other embedded applications where non-volatile memory is needed. The company also emphasizes robust support and development tools, fostering innovation in the design and development of electronic systems.

The AT25640B-XHL-T is a 256 Kbit (32 K x 8) serial EEPROM primarily used in various application areas, including:
1. Consumer Electronics: For storing configurations and calibration data in devices like TVs and home appliances.
2. Industrial Automation: Used in programmable logic controllers (PLCs) and other automation systems for data retention.
3. Automotive: For storing engine parameters, infotainment settings, and safety features.
4. Smart Meters: In utility metering for retaining usage data.
5. Medical Devices: For storing patient data and device settings securely.
Its small form factor and low power consumption make it suitable for portable and battery-operated devices as well.

The AT25640B-XHL-T is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) format. This compact, surface-mount package is designed for efficient board space utilization in electronic applications.