25AA512-I/SN

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25AA512-I/SN

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IC EEPROM 512KBIT SPI 8SOIC

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Especificações

Atributo Valor
Package Tube
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 512Kb (64K x 8)
MemoryInterface SPI
ClockFrequency 20 MHz
WriteCycleTime-WordPage 5ms
Voltage-Supply 1.8V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Visão Geral

Description

The 25AA512-I/SN is a Microchip Technology EEPROM memory chip offering 512 Kb (kilobits) of serial electrically erasable and programmable read-only memory. It is designed for data storage applications that require non-volatile memory, meaning it retains data even when the power is turned off. This chip communicates using the Serial Peripheral Interface (SPI) protocol, which provides a fast and efficient communication interface for data transfer.
Key features of the 25AA512-I/SN include reliable data retention, a high endurance write cycle, and low power consumption, making it suitable for battery-operated devices. It operates over a wide voltage range (1.8V to 5.5V), allowing for flexibility in various applications. The chip is often used in consumer electronics, industrial control systems, and automotive applications for tasks such as storing configuration settings, calibration data, and other critical information that needs to be preserved across power cycles.
The "-I/SN" suffix indicates the industrial temperature range (-40°C to +85°C) and SOIC-8 package type, which is a common surface-mount package for easy integration on printed circuit boards.

Equivalent

The 25AA512-I/SN is a 512Kb SPI serial EEPROM manufactured by Microchip Technology. Equivalent products include:
1. Atmel AT25M02 - 2Mb SPI EEPROM
2. STMicroelectronics M95M02 - 2Mb SPI EEPROM
3. ON Semiconductor CAT25M02 - 2Mb SPI EEPROM
These alternatives generally offer similar features such as SPI interface, memory size, and operational voltage ranges, but specific compatibility should be verified based on the application's requirements.

Features

The 25AA512-I/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip produced by Microchip Technology. Here are its key features:
1. Memory Capacity: 512 Kbit (64K x 8 bytes).
2. Interface: SPI (Serial Peripheral Interface) protocol, supporting up to 10 MHz clock frequency.
3. Operating Voltage: Wide voltage range from 1.8V to 5.5V.
4. Write Cycle: Byte and Page Write (up to 128 bytes).
5. Data Retention: Typically 200 years.
6. Endurance: Minimum of 1 million erase/write cycles.
7. Low Power Consumption: Active current typically 5 mA, standby current 1 µA.
8. Temperature Range: Operates from -40°C to +85°C.
9. Package Type: Available in 8-lead SOIC package.
10. Additional Features: Includes hardware write protection via WP pin and a status register for various control operations.
These features make the 25AA512-I/SN suitable for applications requiring reliable data storage with low power consumption and secure data integrity over long periods.

Pinout

The 25AA512-I/SN is a 512 Kbit SPI Serial EEPROM produced by Microchip Technology. It has an 8-pin configuration. Here are the pin functions:
1. CS (Chip Select): Activates the device.
2. SO (Serial Output): Outputs data from the EEPROM.
3. WP (Write Protect): Protects against inadvertent writes to the memory.
4. VSS: Ground reference.
5. SI (Serial Input): Inputs data to the EEPROM.
6. SCK (Serial Clock): Synchronizes data movement on the serial interface.
7. HOLD: Pauses serial communication while the device is still selected.
8. VCC: Power supply pin.
These pins facilitate the SPI communication protocol, which allows for efficient data transfer between the EEPROM and a microcontroller or other digital system.

Manufacturer

The 25AA512-I/SN is manufactured by Microchip Technology Inc. Microchip Technology is a leading American company specializing in the production of microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. Founded in 1989, Microchip provides a broad spectrum of embedded control solutions and has a reputation for delivering reliable and high-performance semiconductor products. Their offerings are widely used in various industries, including automotive, consumer electronics, industrial, communications, and more, catering to both commercial and industrial applications.

Application

The 25AA512-I/SN is a 512Kb serial EEPROM memory chip commonly used in various applications due to its reliability and flexible interfacing. Key application areas include:
1. Consumer Electronics: For storing configuration settings and calibration data.
2. Industrial Automation: Used in data logging and parameter storage for machinery and equipment.
3. Automotive Systems: For storing non-volatile data such as seat positions or infotainment system settings.
4. Medical Devices: Storing user settings and calibration data securely.
5. Data Communication: Used in routers and modems for firmware storage.
Its I²C interface and low power consumption make it suitable for a wide range of embedded systems and portable devices.

Package

The 25AA512-I/SN is a 512 Kbit serial EEPROM memory chip from Microchip Technology. It typically comes in an 8-lead SOIC (Small Outline Integrated Circuit) package.

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