Microchip Technology

AT25640B-XHL-B  

Memory ICs Products

AT25640B-XHL-B Description

The AT25640B-XHL-B is a high-performance, 64Kbit EEPROM memory IC chip designed for a wide range of applications requiring reliable and efficient data storage. Manufactured by Microchip Technology, this device features an 8K x 8 memory organization, providing a total of 64Kbit of non-volatile memory. The chip operates with a clock frequency of 20 MHz, ensuring fast data access and transfer rates. It supports a wide supply voltage range of 1.8V to 5.5V, making it suitable for various power supply configurations.

The AT25640B-XHL-B is packaged in an 8TSSOP surface-mount package, which is ideal for compact and space-constrained designs. The memory interface is SPI, a widely used protocol for communication between microcontrollers and peripherals. This chip also boasts a write cycle time of 5ms for both word and page operations, ensuring efficient data writing capabilities.

AT25640B-XHL-B Features

• Memory Size and Organization: The AT25640B-XHL-B offers 64Kbit of EEPROM memory organized in an 8K x 8 format, providing ample storage for data retention.
• Clock Frequency: With a clock frequency of 20 MHz, this EEPROM chip ensures high-speed data access and transfer, making it suitable for applications requiring rapid data handling.
• Wide Voltage Range: The device operates within a supply voltage range of 1.8V to 5.5V, offering flexibility in power supply requirements.
• Fast Write Cycle Time: The write cycle time for both word and page operations is 5ms, ensuring efficient data writing and minimizing latency.
• SPI Interface: The SPI memory interface is widely supported and easy to integrate with various microcontrollers and systems.
• Surface Mount Packaging: The 8TSSOP package is ideal for surface-mount technology, enabling compact and space-efficient designs.
• Compliance and Standards: The AT25640B-XHL-B is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the chip is suitable for manufacturing processes that require protection from moisture.

AT25640B-XHL-B Applications

The AT25640B-XHL-B is ideal for a variety of applications where reliable and efficient data storage is crucial. Some specific use cases include:

• Embedded Systems: Ideal for storing configuration data, firmware, and other critical information in embedded systems.
• Industrial Automation: Suitable for storing calibration data, operational parameters, and other essential information in industrial control systems.
• Consumer Electronics: Can be used in devices such as smart meters, home automation systems, and other consumer electronics that require non-volatile memory.
• Telecommunications: Useful for storing network configuration data, device settings, and other critical information in telecommunication equipment.
• Automotive: Suitable for automotive applications where reliable data storage is essential for vehicle systems and infotainment units.

Conclusion of AT25640B-XHL-B

The AT25640B-XHL-B from Microchip Technology is a robust and versatile EEPROM memory IC chip that offers a combination of high performance, reliability, and flexibility. With its 64Kbit memory size, fast 20 MHz clock frequency, and efficient 5ms write cycle time, this chip is well-suited for a wide range of applications. The wide supply voltage range, SPI interface, and surface-mount packaging make it easy to integrate into various designs. Compliance with REACH and RoHS3 standards ensures that the AT25640B-XHL-B meets environmental and regulatory requirements. Overall, the AT25640B-XHL-B is an excellent choice for applications requiring reliable and efficient non-volatile memory storage.

AT25640B-XHL-B Documents

Download datasheets and manufacturer documentation for AT25640B-XHL-B

PCN Assembly/Origin :

AT25640Bx 31/Aug/2023      

Datasheets :

AT25320B, AT25640B      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

AT25640B Development Tool Selector      

HTML Datasheet :

AT25320B, AT25640B      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       AT25080B/160B/320B/640B 28/Feb/2020      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH