AT25SF321B-SHB-T

The AT25SF321B-SHB-T is a serial flash memory device that provides non-volatile storage for digital data in embedded systems. It belongs to Dialog Semiconductor's portfolio of memory solutions, which are tailored for applications in consumer electronics, automotive, industrial, and IoT (Internet of Things) devices.

Key Features:

• Serial Interface: The AT25SF321B-SHB-T utilizes a serial interface, such as SPI (Serial Peripheral Interface) or Quad SPI, for communication with the host microcontroller or system. This interface enables high-speed data transfer and simple integration into various embedded platforms.

• Large Storage Capacity: With a storage capacity of 32 megabits (Mb) or 4 megabytes (MB), the AT25SF321B-SHB-T offers ample space for storing program code, firmware updates, configuration data, user settings, and other digital content.

• High-Speed Read and Write Operations: The flash memory device supports fast read and write operations, allowing for efficient access to stored data and rapid system boot-up times in embedded applications.

• Low Power Consumption: Dialog Semiconductor prioritizes power efficiency in its memory solutions, and the AT25SF321B-SHB-T is designed to minimize power consumption during both active and standby modes, making it suitable for battery-powered and energy-efficient devices.

• Wide Operating Voltage Range: The device operates over a wide voltage range, typically from 2.7 volts to 3.6 volts, ensuring compatibility with various power supply configurations and system requirements.

• Sector Erase and Program Operations: It supports sector erase and program operations, allowing for flexible data management and storage organization within the memory array.

• Extended Temperature Range: The AT25SF321B-SHB-T is capable of operating reliably across an extended temperature range, making it suitable for deployment in harsh environmental conditions and industrial applications.

• Security Features: Dialog Semiconductor may incorporate security features into its memory devices, such as hardware write protection, secure boot, and data encryption, to enhance data integrity and protect against unauthorized access.

Applications:

• Embedded Systems: The AT25SF321B-SHB-T is widely used in embedded systems, including microcontroller-based devices, industrial control systems, IoT edge devices, and smart appliances, for storing firmware, configuration parameters, and application data.

• Automotive Electronics: It finds applications in automotive electronics, such as infotainment systems, instrument clusters, advanced driver assistance systems (ADAS), and engine control units (ECUs), for storing program code and calibration data.

• Consumer Electronics: The flash memory device is employed in consumer electronics products, including smart TVs, set-top boxes, gaming consoles, and digital cameras, for firmware storage, software updates, and user data storage.

• Networking and Communications: Used in networking equipment, such as routers, switches, access points, and network storage devices, for firmware storage, configuration management, and log storage.

• Industrial Automation: Deployed in industrial automation and control systems for storing PLC (Programmable Logic Controller) programs, HMI (Human-Machine Interface) configurations, and production data logs.

• Medical Devices: Applied in medical devices and instruments, such as patient monitors, diagnostic equipment, and infusion pumps, for firmware storage and parameter settings.