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AT25DF081A-SH-T

Name: AT25DF081A-SH-T
Rating: 4.7 (12 reviews)

IC FLASH 8MBIT SPI 100MHZ 8SOIC

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Mfr.부분 #AT25DF081A-SH-T
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사양

Part Status	Discontinued at Digi-Key
DigiKey Programmable	Verified
Memory Type	Non-Volatile
Memory Format	FLASH
Technology	FLASH
Memory Size	8Mbit
Memory Organization	256 Bytes x 4096 pages
Memory Interface	SPI
Write Cycle Time - Word, Page	7µs, 3ms
Voltage - Supply	2.7V ~ 3.6V
Operating Temperature	-40°C ~ 85°C (TC)
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.209", 5.30mm Width)
Supplier Device Package	8-SOIC
Base Product Number	AT25DF081
Clock Frequency	100 MHz

개요

Description

The AT25DF081A-SH-T is an 8-megabit (1 MB) serial Flash memory chip from Microchip Technology, designed for high-performance data storage in embedded applications. It uses a SPI (Serial Peripheral Interface) protocol, allowing for fast data transfer rates of up to 104 MHz. This chip features a range of functionalities including fast read, program, and erase operations, making it ideal for code storage, firmware updates, and data logging in microcontroller-based systems.
The device is organized in a single block architecture with various data protection features to ensure data integrity. It operates over a wide voltage range (2.7V to 3.6V) and is available in a compact 8-pin SOIC package. The AT25DF081A-SH-T provides an efficient way to store and manage data in consumer electronics, automotive systems, and industrial applications, making it suitable for a variety of applications requiring reliable, non-volatile memory solutions.

Features

The AT25DF081A-SH-T is a serial NOR Flash memory chip designed for high-performance applications. Key features include:
1. Memory Capacity: 8 Mbit (1 MB) of storage.
2. Interface: SPI (Serial Peripheral Interface) compatible, supporting single, dual, and quad I/O modes for flexibility and speed.
3. Operating Voltage: Typically operates at 2.7V to 3.6V, making it suitable for battery-powered devices.
4. Read Speed: Fast read performance, with up to 66 MHz in quad mode.
5. Endurance: Supports up to 100,000 program/erase cycles, ensuring durability for frequent updates.
6. Data Retention: Retains data for up to 20 years at 85°C.
7. Package Options: Available in various packages, including SOIC and DFN, facilitating integration into different designs.
8. Security Features: Supports OTP (One-Time Programmable) regions and a hardware write protection feature to enhance data security.
These features make the AT25DF081A-SH-T suitable for applications like consumer electronics, automotive systems, and industrial devices.

Package

The AT25DF081A-SH-T is packaged in a SOIC-8 (Small Outline Integrated Circuit) format. This package type features a compact design suitable for surface mounting, with 8 pins for easy integration into electronic circuits.

Pinout

The AT25DF081A-SH-T is an 8-Mbit serial Flash memory device from Atmel (now part of Microchip Technology) that comes in a 16-pin SOIC packaging.
Pin Count: 16 pins
Function of Key Pins:
1. SCK (Pin 1): Serial Clock input.
2. CS (Pin 2): Chip Select input.
3. SI (Pin 3): Serial Data Input.
4. SO (Pin 4): Serial Data Output.
5. HOLD (Pin 5): Hold input to pause communication.
6. WP (Pin 6): Write Protect input.
7. VCC (Pin 8): Power supply.
8. GND (Pin 4 & Pin 16): Ground connections.
The device operates using a SPI interface, providing high-speed data transfer and supports various operations such as reading, writing, and erasing memory contents. It is commonly used in applications requiring non-volatile memory storage.

Manufacturer

The AT25DF081A-SH-T is manufactured by Adesto Technologies, a company specializing in non-volatile memory solutions. Adesto is known for its innovative memory products, particularly in the areas of serial NOR Flash memory and other memory technologies used in various applications, including consumer electronics, industrial, automotive, and Internet of Things (IoT) devices. Established in 2006 and headquartered in Santa Clara, California, Adesto focuses on providing solutions that enhance performance, efficiency, and reliability in electronic systems. The AT25DF081A-SH-T is a specific model of serial Flash memory that offers features like high-speed data access and low power consumption, making it suitable for a wide range of applications.

Application

The AT25DF081A-SH-T is an 8Mb Serial Flash memory used in various applications, including consumer electronics, automotive systems, industrial automation, and IoT devices. It is suitable for firmware storage, data logging, and configuration settings due to its fast read and write speeds, low power consumption, and serial interface. Its compact size and reliability make it ideal for embedded systems, smart appliances, and portable devices.

Equivalent

The AT25DF081A-SH-T is an 8Mb serial flash memory chip. Equivalent products include the Winbond W25Q80BV, Micron N25Q080A, and Cypress S25FL080P. These chips offer similar specifications and functionalities, such as SPI interface and 8Mb capacity. Always verify specific requirements like voltage, speed, and package type when considering replacements.