AT45DB321E-SHF-B

The AT45DB321E-SHF-B is a 32-megabit DataFlash memory device by Microchip Technology. It is designed for use in a wide range of applications requiring high-density storage, such as embedded systems, portable devices, and industrial applications. The memory operates on a single 2.5V to 3.6V power supply and features a serial peripheral interface (SPI) for data transmission, offering efficient data transfer rates.
Key features include a page size of 528 bytes, allowing for flexible read/write operations. The device supports advanced security features such as hardware and software data protection, ensuring data integrity and reliability. It also offers features like page and block erase, as well as a built-in error correction mechanism for enhanced performance.
The AT45DB321E-SHF-B is available in various packaging options, including an 8-lead SOIC and a 24-ball BGA, making it suitable for space-constrained applications. Its low power consumption and high endurance make it ideal for battery-operated devices, while its robust design ensures long-term data retention and reliability.

The AT45DB321E-SHF-B is a 32-Mbit DataFlash memory chip. Equivalent products include:
1. Winbond W25Q32JV - A 32-Mbit serial Flash memory with similar SPI interface and features.
2. Macronix MX25L3206E - Another 32-Mbit serial Flash with comparable specifications.
3. ISSI IS25LP032 - A 32-Mbit serial Flash offering similar performance and interface options.
These alternatives offer similar capacity and functionality for applications requiring serial Flash memory.

The AT45DB321E-SHF-B is a 32 Mbit (4 MByte) DataFlash memory, organized as 8,192 pages of 528 bytes each. Key features include:
1. Interface: Utilizes a Serial Peripheral Interface (SPI) for efficient communication.
2. Performance: Supports high-speed operation with a maximum clock frequency of up to 85 MHz.
3. Dual & Quad I/O: Allows for enhanced data transfer rates with dual and quad I/O modes.
4. Page Erase and Program: Offers flexible erase and program options, including page and block erase.
5. Security: Features include a 128-bit unique ID for device identification and a security register for user-defined data storage.
6. Data Retention: Ensures data retention for 20 years, with a minimum of 100,000 program/erase cycles per page.
7. Low Power Consumption: Designed for efficient power usage, supporting both standby and deep power-down modes.
These specifications make the AT45DB321E-SHF-B ideal for applications demanding reliable and high-speed memory solutions, such as data logging, storage systems, and embedded systems.

The AT45DB321E-SHF-B is a 32-megabit DataFlash memory by Microchip Technology. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. CS (Chip Select): Activates the device when low.
2. SCK (Serial Clock): Provides the clock for data in/out operations.
3. SI (Serial Input): Inputs data to the device.
4. SO (Serial Output): Outputs data from the device.
5. RESET: Resets the device.
6. WP (Write Protect): Protects certain sections of memory from being modified.
7. RDY/BUSY: Indicates the device's status (ready or busy).
8. VCC: Power supply pin.
This memory device is used for high-reliability data storage, supporting advanced functions like page and block erase, and featuring a low-power design suitable for battery-operated applications.

The AT45DB321E-SHF-B is manufactured by Adesto Technologies, which is now a part of Dialog Semiconductor, a subsidiary of Renesas Electronics Corporation. Adesto Technologies was known for producing non-volatile memory solutions, including DataFlash memory, which is used in a variety of applications like consumer electronics, industrial devices, and IoT systems.
Dialog Semiconductor, acquired by Renesas Electronics in 2021, is a leading provider of integrated circuits, focusing on power management, AC/DC power conversion, solid-state lighting, and Bluetooth low-energy technology. Renesas Electronics is a major Japanese semiconductor manufacturer known for its microcontroller and system-on-chip (SoC) solutions, providing advanced and reliable semiconductor products for automotive, industrial, and consumer applications. This acquisition expanded Renesas's offerings in the IoT and industrial automation sectors.
Overall, these companies are key players in the semiconductor industry, contributing to the development and innovation of memory and microcontroller technologies for a wide range of applications.

The AT45DB321E-SHF-B is a high-performance flash memory chip commonly used in various applications requiring reliable data storage and fast access times. Key application areas include embedded systems, consumer electronics, industrial automation, automotive electronics, and communication devices. It is suitable for use in firmware storage, data logging, boot code storage, and other applications where non-volatile memory is required. Its properties, such as low power consumption, high endurance, and data retention capabilities, make it ideal for systems requiring robust and efficient memory solutions.

The AT45DB321E-SHF-B is a serial flash memory device with a package type of 8-lead SOIC (Small Outline Integrated Circuit). This package is compact and suitable for surface-mount technology, facilitating easy integration into various electronic devices and systems.