AT25M02-SSHM-T

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AT25M02-SSHM-T

IC EEPROM 2MBIT SPI 5MHZ 8SOIC

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Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 2Mb (256K x 8)
MemoryInterface SPI
ClockFrequency 5 MHz
WriteCycleTime-WordPage 10ms
Voltage-Supply 1.7V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TC)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The AT25M02-SSHM-T is a 2-megabit serial Flash memory chip from Microchip Technology, designed for high-performance applications. It utilizes the SPI (Serial Peripheral Interface) protocol for communication, allowing for easy integration with microcontrollers and other digital devices. The device operates on a supply voltage range of 2.7V to 3.6V and features fast read and write speeds, making it suitable for data storage and code execution in embedded systems.
Key features include a memory organization of 256 pages of 8 bytes each, multiple power-saving modes, and the ability to perform bulk erase, page write, and byte write operations. The chip is housed in a compact 8-pin SOIC package, facilitating space-efficient designs. Its low power consumption and reliability make it ideal for applications such as consumer electronics, automotive, and industrial automation, where non-volatile storage is crucial.

Features

The AT25M02-SSHM-T is a 2-Mbit serial Flash memory chip from Microchip Technology. Key features include:
1. Memory Density: 2 Mbit with a 256 Kbyte capacity.
2. Interface: SPI (Serial Peripheral Interface) compatible, enabling fast data transfer.
3. Voltage Range: Operates between 2.7V and 3.6V, suitable for low-power applications.
4. Speed: Supports clock frequencies up to 66 MHz for fast read operations.
5. Endurance: Capable of up to 100,000 program/erase cycles, ensuring durability.
6. Data Retention: Retains data for up to 20 years.
7. Package Options: Available in a compact 8-pin SOIC and 8-pin TDFN packages.
8. Security: Features a write protection mechanism and security register for data protection.
This chip is commonly used in applications such as consumer electronics, automotive, and industrial control systems needing reliable non-volatile memory.

Package

The AT25M02-SSHM-T is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) form factor. This surface-mount package is designed for space efficiency and ease of integration onto printed circuit boards.

Pinout

The AT25M02-SSHM-T is a 2-Mbit serial Flash memory device from Atmel (now part of Microchip Technology). It has a total of 8 pins.
Pin Count and Functions:
1. CS (Chip Select) - Active low input to select the device.
2. MOSI (Master Out Slave In) - Data input line for serial communication.
3. MISO (Master In Slave Out) - Data output line for serial communication.
4. SCK (Serial Clock) - Clock input for synchronization of data transfer.
5. VCC - Power supply pin (typically +2.7V to +3.6V).
6. GND - Ground reference pin.
7. HOLD - Input to pause operation without deselecting the chip (active low).
8. WP (Write Protect) - Input to enable/disable write protection (active low).
This device supports SPI (Serial Peripheral Interface) communication, allowing for high-speed data transfer and is suitable for applications requiring non-volatile memory storage.

Manufacturer

The AT25M02-SSHM-T is manufactured by Adesto Technologies Corporation, a company specializing in non-volatile memory solutions. Adesto focuses on providing innovative memory products that cater to various applications, including the Internet of Things (IoT), industrial, automotive, and consumer electronics. The company is known for its expertise in developing advanced flash memory technologies, particularly in areas like Serial Flash and other memory solutions that support low-power and high-performance requirements.

Application

The AT25M02-SSHM-T is a serial EEPROM used in various applications such as consumer electronics, automotive systems, industrial automation, and medical devices. Its primary functions include data storage for configuration settings, calibration data, firmware updates, and logging information. Its low power consumption and small form factor make it suitable for portable devices and IoT applications.

Equivalent

The AT25M02-SSHM-T is a 2-Mbit Serial Flash Memory chip. Equivalent products include the Winbond W25X20CL, Micron MT25Q02, and Cypress S25FL020A. Ensure compatibility in terms of voltage, pin configuration, and interface (SPI) when selecting an equivalent. Always refer to the specific datasheets for precise specifications.

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