AT25DF321A-SH-B

The AT25DF321A-SH-B is a 32-megabit serial Flash memory chip produced by Microchip Technology. It utilizes the SPI (Serial Peripheral Interface) protocol for communication, making it suitable for various embedded applications requiring non-volatile storage. This device features a high-speed clock rate of up to 104 MHz, allowing for fast read, write, and erase operations.
Key features include 4KB sectors, 64KB blocks, and a 256-byte page size, enabling flexible memory management. The chip operates with a voltage range of 2.7V to 3.6V and supports multiple modes, including standard and dual I/O, enhancing performance in data transfer.
The AT25DF321A is commonly used in applications such as firmware storage, data logging, and code shadowing, making it an ideal choice for microcontrollers and other digital systems requiring reliable and fast non-volatile memory. Its compact package options and low power consumption make it suitable for space-constrained and energy-efficient designs.

The AT25DF321A-SH-B is a 32-megabit (4MB) serial Flash memory device from Microchip Technology. Key features include:
1. Interface: It uses a Serial Peripheral Interface (SPI) for fast data transfer.
2. Data Rate: Supports high-speed operation up to 104 MHz.
3. Memory Organization: Offers a 4K byte sector architecture, enabling efficient data management.
4. Erase and Programming: Features sectors that can be individually erased and programmed, with a typical page programming time of about 0.6 ms.
5. Endurance: Supports a minimum of 100,000 program/erase cycles per sector.
6. Data Retention: Provides a data retention period of up to 20 years at 85°C.
7. Low Power Consumption: Designed for low power consumption, making it suitable for battery-operated devices.
8. Security Features: Includes a hardware write protection feature for enhanced data security.
9. Package Options: Available in various packages, including SOIC and DFN, for design flexibility.
These features make it ideal for applications in consumer electronics, automotive, and industrial systems.

The AT25DF321A-SH-B is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) form factor. This package type is commonly used for surface-mount applications, providing a compact size and ease of integration into various electronic devices.

The AT25DF321A-SH-B is a 32-Mbit (4 MB) serial Flash memory device from Atmel (now part of Microchip Technology). It features a total of 8 pins:
1. CS (Chip Select): Activates the device.
2. SO (Serial Output): Data output pin for reading.
3. SI (Serial Input): Data input pin for writing.
4. SCK (Serial Clock): Clock signal for synchronizing data transfer.
5. WP (Write Protect): Enables write protection when asserted.
6. HOLD: Pauses the serial communication without resetting the chip.
7. VCC: Power supply pin (typically 2.7V to 3.6V).
8. GND: Ground reference.
This device supports commands for reading, writing, erasing, and more, facilitating easy integration into various applications, including code storage and data retention.

The AT25DF321A-SH-B is manufactured by Adesto Technologies, a company specializing in non-volatile memory solutions. Adesto is known for its innovative products in the field of semiconductor technologies, particularly for applications in industrial, automotive, and consumer electronics. The company focuses on developing advanced memory products, including Serial NOR Flash and other memory types, to support a wide range of IoT and embedded system applications. Adesto Technologies aims to provide high-performance and energy-efficient solutions to meet the growing demands of modern electronic devices.

The AT25DF321A-SH-B is a serial NOR Flash memory chip commonly used in applications such as consumer electronics, automotive systems, industrial equipment, and Internet of Things (IoT) devices. Its key uses include firmware storage, code execution, data logging, and configuration settings, enabling fast read/write capabilities and efficient data retention in various embedded systems.

The AT25DF321A-SH-B is a 32Mb serial Flash memory chip. Equivalent products include:
1. W25Q32JV (Winbond)
2. M25P32 (Micron)
3. S25FL032P (Spansion)
4. N25Q032A (NXP)
These alternatives have similar specifications, such as a 32Mb capacity and SPI interface. Always verify compatibility with specific application requirements.