AT25SF321B-SSHB-T

The AT25SF321B-SSHB-T is a 32-megabit (4 megabytes) serial Flash memory device from Adesto Technologies, designed for a variety of applications requiring reliable and high-performance memory solutions. It is part of the AT25SF series, which is known for its low power consumption, wide operating voltage range, and small form factor, making it ideal for embedded systems, consumer electronics, and industrial applications.
Key features of the AT25SF321B-SSHB-T include support for the Serial Peripheral Interface (SPI) for easy integration, fast read/write capabilities, and robust data retention and endurance. The device operates at a low power supply range of 2.3V to 3.6V and is housed in an 8-lead SOIC package, enhancing its suitability for space-constrained designs. It also offers protection features like block write protection and software data protection to secure data integrity.
With a temperature range suitable for industrial applications, the AT25SF321B-SSHB-T is versatile and reliable, making it a go-to solution for developers in need of compact, efficient, and durable flash memory.

The AT25SF321B-SSHB-T is a 32Mbit Serial Flash memory IC. Equivalent products include the W25Q32JV from Winbond, the MX25L3233F from Macronix, and the GD25Q32C from GigaDevice. These chips offer similar features such as SPI interface, supply voltage range, and memory capacity, making them potential substitutes depending on the specific application requirements. Always verify pin compatibility and specifications before substitution.

The AT25SF321B-SSHB-T is a 32-Mbit serial Flash memory device from Adesto Technologies. It offers several key features:
1. Memory Capacity: 32 megabits organized in a uniform 4-KB sector architecture.
2. Interface: Utilizes a standard Serial Peripheral Interface (SPI) with support for single, dual, and quad I/O operations.
3. Performance: High-speed clock frequency of up to 120 MHz for fast data transfer.
4. Erase Options: Provides flexible erase capabilities, including 4KB sector, 32KB block, 64KB block, and entire chip erase.
5. Endurance: Rated for over 100,000 program/erase cycles per sector and data retention for up to 20 years.
6. Security: Offers security features like hardware and software write protection and a unique 64-bit device identifier.
7. Supply Voltage: Operates with a wide supply voltage range from 2.3V to 3.6V.
8. Package: Available in an 8-lead SOIC package, suitable for compact designs.
These features make the AT25SF321B-SSHB-T suitable for a variety of applications requiring reliable, high-speed Flash memory.

The AT25SF321B-SSHB-T is a 32-megabit serial Flash memory chip. It typically comes in an 8-lead SOP (Small Outline Package) with the following pin configuration and functions:
1. CS (Chip Select): Enables the device for communication.
2. SO (Serial Output): Outputs data from the memory during read operations.
3. WP (Write Protect): Provides hardware protection for the memory to prevent accidental writing.
4. GND (Ground): Ground reference for the power supply.
5. SI (Serial Input): Inputs data to the memory during write operations.
6. SCK (Serial Clock): Provides the clock signal for serial communication.
7. RESET: Resets the device to its initial state.
8. VCC (Power Supply): Supplies power to the device.
This configuration supports standard SPI (Serial Peripheral Interface) operations, enabling efficient data communication with microcontrollers and other digital systems.

The AT25SF321B-SSHB-T is manufactured by Adesto Technologies, which is now part of Dialog Semiconductor, a subsidiary of Renesas Electronics Corporation. Adesto Technologies was known for specializing in non-volatile memory products, including flash memory. Dialog Semiconductor, on the other hand, is a company known for providing highly integrated standard and custom mixed-signal integrated circuits (ICs) for a variety of applications, including automotive, industrial, and consumer electronics. Since its acquisition by Renesas, it now operates within a larger entity that is heavily involved in developing semiconductor solutions for embedded processing, analog and power, and automotive and industrial markets.

The AT25SF321B-SSHB-T is a 32-Mbit serial flash memory chip commonly used in various electronic applications. Typical application areas include consumer electronics, industrial automation, automotive systems, IoT devices, and communication equipment. It is well-suited for use in firmware storage, data logging, and code shadowing due to its fast read/write capabilities and low power consumption. Its compatibility with standard SPI interfaces makes it versatile for integration into a wide range of systems requiring reliable and efficient non-volatile memory solutions.

The AT25SF321B-SSHB-T is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) form factor. This package type is commonly used for surface-mounted applications due to its compact design, making it suitable for PCB mounting with limited space.