AT25SF161-MHD-T Adesto Technologies IC FLASH 16MBIT SPI 104MHZ 8UDFN


The AT25SF161-MHD-T is a Flash memory IC (Integrated Circuit) manufactured by Adesto Technologies, with the following specifications:


  • Manufacturer: Adesto Technologies
  • Model: AT25SF161-MHD-T
  • Type: Flash Memory
  • Capacity: 16Mbit (2MB)
  • Interface: Serial Peripheral Interface (SPI)
  • Maximum Clock Speed: 104MHz
  • Package: 8-UDFN (Ultra-Thin Dual Flat No-Lead Package)
  • DataSheet

    AT25SF161-MHD-T PDF

Key Features:

  1. Flash Memory Type: The AT25SF161-MHD-T is a Flash memory IC, which allows for non-volatile memory storage.

  2. Capacity: This specific model has a storage capacity of 16Mbit, which translates to 2MB of memory.

  3. Interface: The Flash memory chip communicates using the Serial Peripheral Interface (SPI) protocol, which is commonly used for communication between microcontrollers and peripherals.

  4. Clock Speed: It supports a maximum clock speed of 104MHz, allowing for fast data transfer rates.

Common Applications:

  • Data Storage: Used for storing firmware, configuration data, program parameters, and other non-volatile data in embedded systems.

  • Code Execution: Flash memory is often used to store program code for microcontrollers or processors.

  • Data Logging: Suitable for applications requiring data logging where persistent storage is necessary.

  • Bootloaders: Flash memory can store bootloader code, enabling firmware updates and system booting.

Working Principle:

  • Data can be written to and read from the Flash memory IC using SPI communication, allowing for easy integration with microcontroller-based systems.

  • The non-volatile nature of Flash memory ensures that data remains stored even when power is removed.

Interface and Connection:

  • The chip typically requires connections for SPI signals, including clock, data in, data out, and chip select pins, to communicate with a microcontroller or host device.

  • Control signals like write enable and output enable may also be involved in the interface.

Performance and Speed:

  • The high maximum clock speed of 104MHz allows for fast data transfer rates, enabling efficient read/write operations.

Application Examples:

  1. Embedded Systems: Used in a wide range of embedded systems, including IoT devices, consumer electronics, and industrial control systems.

  2. Data Storage Devices: Integrated into devices like USB drives, SD cards, and solid-state drives for data storage.

  3. Networking Devices: Employed in routers, switches, and network equipment for firmware storage and program execution.

  4. Automotive Electronics: Used in automotive electronics for storing firmware, configuration settings, and data logging.

Data Security:

  • Some Flash memory chips offer security features like write protection or hardware encryption to secure stored data.

Before integrating the AT25SF161-MHD-T Flash memory IC into your design, refer to the datasheet provided by Adesto Technologies for detailed information on electrical characteristics, interface protocols, timing diagrams, and application guidelines to effectively incorporate the Flash memory chip into your system design.