AT25M02-SSHD-T

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AT25M02-SSHD-T

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IC EEPROM 2MBIT SPI 5MHZ 8SOIC

  • メーカーマイクロチップ・テクノロジー

  • メーカー品番 #AT25M02-SSHD-T

  • データシート AT25M02-SSHD-T DataSheet

  • 在庫状況2027

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Part Status Active
Digi Key Programmable Not Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 2Mbit
Memory Organization 256K x 8
Memory Interface SPI
Write Cycle Time - Word, Page 10ms
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TC)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Base Product Number AT25M02
Clock Frequency 5 MHz

概要

Description

The AT25M02-SSHD-T is a high-performance 2 Mb serial EEPROM, designed for data storage in a variety of applications. This device uses the SPI (Serial Peripheral Interface) protocol, which enables fast data transfer rates and efficient communication between devices. It features 256-byte pages for writing, with a total of 262,144 bytes organized into 8,192 pages.
The EEPROM is known for its low power consumption and wide operating voltage range, typically between 1.7V to 3.6V, making it suitable for battery-powered applications. The AT25M02-SSHD-T supports both standard and high-speed modes, with clock frequencies up to 20 MHz.
It offers robust data integrity features, including hardware write protection and self-timed write cycles, ensuring data security and reliability. The device is housed in a compact 8-pin SOIC package, making it easy to integrate into various electronic designs.
Overall, the AT25M02-SSHD-T is ideal for applications requiring reliable non-volatile storage, such as consumer electronics, industrial controls, and automotive systems.

Equivalent

The AT25M02-SSHD-T is a 2-Mbit SPI serial EEPROM. Equivalent products include:
1. Microchip 25LC1024
2. STMicroelectronics M95M02
3. ON Semiconductor CAT25M02
4. Cypress (Infineon) FM25V02
These alternatives share similar specifications such as memory size, interface type, and operational voltage, but always verify pin compatibility and specifications in detail before replacing.

Features

The AT25M02-SSHD-T is a 2Mb SPI serial EEPROM memory device from Microchip Technology. Here are its key features:
1. Memory Capacity: 2 Megabits (256 Kbytes) organized in 256-byte pages.
2. Interface: SPI (Serial Peripheral Interface) compatible, supports modes 0 and 3.
3. Operating Voltage: Wide voltage range from 1.7V to 3.6V.
4. Speed: Supports clock frequencies up to 10 MHz, facilitating fast data transfer.
5. Low Power Consumption: Features low-power standby and sleep modes.
6. Endurance: Offers 1 million write cycles per page and data retention of up to 100 years.
7. Data Protection: Includes write protection features such as block write protection and software write protection.
8. Temperature Range: Operates in a wide temperature range from -40°C to +85°C.
9. Package: Available in 8-lead SOIC, TSSOP, and UDFN packaging.
These features make it suitable for data logging, industrial applications, and consumer electronics requiring reliable non-volatile memory storage.

Pinout

The AT25M02-SSHD-T is a serial EEPROM memory device from Microchip Technology. It features an 8-pin configuration. The pin functions are as follows:
1. CS (Chip Select): Enables the device for communication.
2. SO (Serial Output): Outputs data from the memory.
3. WP (Write Protect): Provides hardware protection for memory write operations.
4. GND (Ground): Ground reference for the power supply.
5. SI (Serial Input): Inputs data into the memory.
6. SCK (Serial Clock): Provides the clock signal for data transfer.
7. HOLD: Allows the device to pause communication without losing its place in the sequence.
8. VCC (Voltage Supply): Power supply for the device.
This EEPROM supports SPI (Serial Peripheral Interface) for communication and is used in applications requiring non-volatile storage.

Manufacturer

The AT25M02-SSHD-T is manufactured by Adesto Technologies, which is now part of Dialog Semiconductor, a company that was acquired by Renesas Electronics in 2021. Adesto Technologies specialized in designing and developing innovative semiconductor solutions, primarily focused on non-volatile memory products. The company provided a range of memory solutions, including serial flash, resistive RAM, and EEPROM, targeting various applications such as industrial, consumer electronics, and the Internet of Things (IoT).
Dialog Semiconductor, before the acquisition by Renesas, was known for its expertise in mixed-signal integrated circuits, including power management, audio, and Bluetooth low energy technologies. Renesas Electronics, a prominent global semiconductor company headquartered in Japan, provides comprehensive solutions in microcontrollers, automotive, and industrial applications, among other areas. Renesas’ acquisition of Dialog and Adesto has expanded its portfolio, allowing it to offer a more comprehensive range of solutions for embedded systems and IoT applications.

Application

The AT25M02-SSHD-T is a 2-Mbit serial EEPROM memory chip used in various applications. Its primary applications include data storage in consumer electronics, such as televisions and set-top boxes, for maintaining settings and configurations. It's also utilized in industrial settings for logging data and storing firmware in devices like sensors and control systems. In automotive applications, it can be used for maintaining vehicle settings and diagnostic information. Additionally, it's suitable for medical devices, where reliable data storage is crucial. Its small size, low power consumption, and high endurance make it ideal for embedded systems requiring non-volatile memory.

Package

The AT25M02-SSHD-T is a serial EEPROM memory device housed in an 8-lead SOIC (Small Outline Integrated Circuit) package type. SOIC packages are commonly used for surface-mount technology and feature gull-wing leads extending from the sides of the package, which help facilitate soldering to a PCB (Printed Circuit Board).

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