AT25DF321A-SH-T

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AT25DF321A-SH-T

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IC FLASH 32MBIT SPI 100MHZ 8SOIC

  • HerstellerAdesto Technologies

  • Herstellerteil #AT25DF321A-SH-T

  • Paket SOIC-W-8

  • Auf Lager6999

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Not For New Designs
MemoryType Non-Volatile
MemoryFormat FLASH
Technology FLASH
MemorySize 32Mb (256 Bytes x 16384 pages)
MemoryInterface SPI
ClockFrequency 100 MHz
WriteCycleTime-WordPage 7µs, 3ms
Voltage-Supply 2.7V ~ 3.6V
OperatingTemperature -40°C ~ 85°C (TC)
MountingType Surface Mount
Package/Case 8-SOIC (0.209, 5.30mm Width)

Übersicht

Description

The AT25DF321A-SH-T is a 32-megabit (4 megabytes) Serial Flash Memory device produced by Microchip Technology. It is designed for a wide range of applications, including data storage, firmware storage, and code shadowing in systems where high performance and reliability are essential. The device features a SPI (Serial Peripheral Interface) for communication, which allows for high-speed data transfer and minimizes the number of pins needed for interfacing.
Key features of the AT25DF321A-SH-T include low power consumption, fast read access time, and the ability to execute in-place (XIP) operations. It supports dual and quad I/O for enhanced performance, and it offers advanced security features such as software and hardware protection modes to safeguard data integrity. The device operates over a wide voltage range, making it suitable for battery-powered applications. Its compact 8-lead SOIC package makes it easy to integrate into various designs. Overall, the AT25DF321A-SH-T provides a reliable and efficient solution for embedded systems requiring non-volatile storage.

Equivalent

The AT25DF321A-SH-T is a 32Mbit (4MB) SPI serial flash memory chip. Equivalent products could include:
1. Winbond W25Q32JV: 32Mbit SPI flash memory.
2. Micron M25P32: 32Mbit SPI flash memory.
3. Cypress/Spansion S25FL032P: 32Mbit SPI flash memory.
4. Macronix MX25L3233F: 32Mbit SPI flash memory.
These equivalents offer similar capacities and interfaces, but always check datasheets for specific feature compatibility.

Features

The AT25DF321A-SH-T is a 32-megabit (4 megabyte) serial Flash memory device with several key features:
1. Interface: Utilizes an SPI (Serial Peripheral Interface) for communication, which supports high-speed data transfer.
2. Density: Offers a storage density of 32Mb, suitable for data-intensive applications.
3. Voltage: Operates within a voltage range of 2.3V to 3.6V, making it compatible with a variety of systems.
4. Performance: Provides a fast read access time and supports page and block erase operations for efficient data management.
5. Write Protection: Includes hardware and software data protection features to prevent accidental data corruption or modification.
6. Temperature: Industrial temperature range support, suitable for use in harsh environments.
7. Package: Available in an 8-lead SOIC package, facilitating easy integration into circuit boards.
8. Endurance: Offers a high endurance for write/erase cycles, enhancing reliability.
These features make the AT25DF321A-SH-T ideal for applications requiring robust, high-speed non-volatile memory storage, such as embedded systems and consumer electronics.

Pinout

The AT25DF321A-SH-T is a 32-megabit (4 megabytes) serial Flash memory device from Microchip with the following pin count and functions:
- Pin Count: 8 pins
- Pin Functions:
1. CS (Chip Select): Activates the device by pulling low to enable communication.
2. SO (Serial Output): Outputs data from the memory during read operations.
3. WP (Write Protect): Allows the write protection of specific memory areas when asserted.
4. GND (Ground): Ground reference for power supply.
5. SI (Serial Input): Receives data input for write operations.
6. SCK (Serial Clock): Synchronizes communication timings.
7. RESET: Resets the device when pulled low.
8. VCC (Power Supply): Supplies power to the device.
This device operates using SPI (Serial Peripheral Interface) and is used for storing firmware, configuration parameters, or other data in embedded systems.

Manufacturer

The AT25DF321A-SH-T is manufactured by Adesto Technologies, which was acquired by Dialog Semiconductor in 2020. Adesto Technologies is known for producing non-volatile memory products and specialized semiconductor solutions. The company is focused on designing and developing a range of semiconductor products including memory chips that are used in industrial, consumer, and communications applications. Adesto specializes in providing reliable and energy-efficient solutions tailored for the Internet of Things (IoT) and other emerging markets that require advanced data storage and processing capabilities.

Application

The AT25DF321A-SH-T, a 32-megabit serial flash memory, is commonly used in applications requiring reliable data storage and retrieval. Its primary application areas include embedded systems, consumer electronics, industrial automation systems, and automotive infotainment systems. It is suitable for firmware storage, data logging, and code shadowing due to its small form factor and efficient power usage. Additionally, it is used in devices requiring frequent updates and secure storage, such as set-top boxes, network routers, and IoT devices. Its fast read and write capabilities, combined with its durability, make it ideal for applications where performance and reliability are critical.

Package

The AT25DF321A-SH-T is a 32-megabit serial flash memory device manufactured by Adesto Technologies (now part of Dialog Semiconductor). It typically comes in an 8-lead SOIC (Small Outline Integrated Circuit) package, designed for surface mounting on PCBs. The "-T" suffix indicates it is delivered in tape and reel packaging, suitable for automated assembly.

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