AT25640B-XHL-T

The AT25640B-XHL-T is a high-performance, 256K-bit (32K x 8) Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It utilizes I²C (Inter-Integrated Circuit) communication protocol, making it suitable for various embedded applications requiring non-volatile data storage. With a maximum clock speed of 1MHz, it offers efficient data transfer rates.
Key features include a wide operating voltage range, typically from 1.7V to 5.5V, making it compatible with both low-voltage and standard systems. The device supports multiple addressing modes, allowing for easy integration into existing designs. It also incorporates advanced features like self-timed programming and write protection mechanisms to enhance data integrity and reliability.
The AT25640B-XHL-T is often used in applications such as consumer electronics, automotive systems, and industrial controls, where reliable data storage and retrieval are essential. Its small package size and low power consumption further contribute to its appeal in space-constrained environments.

The AT25640B-XHL-T is a 256K-bit (32K x 8) serial EEPROM from Microchip Technology. Key features include:
1. Interface: It utilizes I2C (Inter-Integrated Circuit) protocol for communication, ensuring easy integration with microcontrollers.
2. Capacity: Offers a storage capacity of 256Kb, organized as 32K x 8 bits.
3. Voltage Range: Operates over a wide voltage range, typically from 1.8V to 5.5V, accommodating various applications.
4. Speed: Supports fast mode I2C operation with a maximum clock speed of 1 MHz.
5. Write Cycle: Provides EEPROM functionality with a typical write cycle time of around 5 ms.
6. Endurance: Features a high endurance of up to 1 million write/erase cycles, ensuring reliability over time.
7. Data Retention: Data retention is typically guaranteed for up to 100 years.
8. Packaging: Available in various package options, including TSSOP and SOIC, facilitating flexible design implementations.
These features make the AT25640B-XHL-T suitable for applications in consumer electronics, automotive, and industrial sectors where persistent data storage is critical.

The AT25640B-XHL-T is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for compact and efficient integration onto printed circuit boards.

The AT25640B-XHL-T is a 256K-bit EEPROM (Electrically Erasable Programmable Read-Only Memory) device from Microchip Technology. It has a total of 8 pins.
The pin configuration and their functions are as follows:
1. A0: Address pin for selecting the memory location.
2. A1: Address pin for selecting the memory location.
3. A2: Address pin for selecting the memory location.
4. VCC: Power supply pin (typically +2.7V to +5.5V).
5. GND: Ground pin.
6. SCL: Serial clock input for SPI communication.
7. SDA: Serial data line for data input/output.
8. WP: Write protect pin, used to enable or disable write operations.
The AT25640B-XHL-T supports SPI protocol for data transfer and is often used in applications requiring non-volatile memory storage.

The manufacturer of the AT25640B-XHL-T is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company specializes in designing and manufacturing a wide range of integrated circuits and related products, catering primarily to the embedded control market. Microchip serves various industries, including automotive, industrial, consumer, and communications sectors. Their products are widely used in applications for automation, connectivity, and data management.

The AT25640B-XHL-T is a 256K-bit serial EEPROM, commonly used in applications such as consumer electronics, automotive systems, industrial control, and smart meters. Its non-volatile memory is ideal for data storage in settings requiring reliable data retention, configuration settings, calibration data, and firmware updates. Applications include memory expansion, secure key storage, and user preference storage in devices like wearables and IoT products.

The AT25640B-XHL-T is a 512K-bit (64KB) EEPROM. Equivalent products include:
1. 93C46 (Microchip)
2. M95020 (STMicroelectronics)
3. 25AA640 (Microchip)
4. CAT24C640 (Cypress)
Always verify compatibility in terms of voltage, pin configuration, and timing specifications before substitution.