24AA256T-I/ST

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24AA256T-I/ST

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IC EEPROM 256KBIT I2C 8TSSOP

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Especificações

Atributo Valor
PartStatus Active
DigiKeyProgrammable Verified
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 256Kbit
MemoryOrganization 32K x 8
MemoryInterface I2C
WriteCycleTime-Word,Page 5ms
Voltage-Supply 1.7V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-TSSOP (0.173", 4.40mm Width)
SupplierDevicePackage 8-TSSOP
BaseProductNumber 24AA256
ClockFrequency 400 kHz
AccessTime 900 ns

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Description

The 24AA256T-I/ST is a 256-Kilobit Electrically Erasable Programmable Read-Only Memory (EEPROM) from Microchip Technology. It is designed for applications requiring rapid data storage and retrieval. This EEPROM is organized as 32,768 words of 8 bits each, providing ample storage for small to medium-sized datasets.
Operating on a supply voltage range from 1.7V to 5.5V, the 24AA256T-I/ST supports a standard I²C serial interface, facilitating seamless communication with microcontrollers and other I²C-compatible devices. It features a low-power CMOS technology, making it energy efficient for battery-powered applications. The device includes built-in features such as a write-protect pin to safeguard data integrity and endurance of over 1 million erase/write cycles, ensuring long-term reliability.
With a wide operational temperature range from -40°C to +85°C, the 24AA256T-I/ST is suitable for use in various environments. Its small 8-lead SOIC package enhances versatility in circuit board design, making it ideal for consumer electronics, automotive, industrial, and medical applications.

Equivalent

The 24AA256T-I/ST is a 256Kb I2C EEPROM from Microchip Technology. Equivalent products from other manufacturers include:
1. AT24C256 - from Atmel (now part of Microchip)
2. M24C256 - from STMicroelectronics
3. CAT24C256 - from ON Semiconductor
4. BR24G256 - from ROHM Semiconductor
These chips offer similar storage capacity, interface, and functionality, making them suitable substitutes for applications requiring a 256Kb I2C EEPROM. Always verify pin compatibility and other specifications before substituting.

Features

The 24AA256T-I/ST is a 256-Kilobit (32K x 8) Serial Electrically Erasable PROM (EEPROM) from Microchip Technology. Key features include:
1. I2C Interface: It supports a 2-wire serial interface, compatible with I2C, allowing for easy integration with various microcontrollers.
2. High-Endurance: The EEPROM offers over 1 million erase/write cycles for reliable data retention.
3. Wide Operating Voltage: It operates from 1.7V to 5.5V, making it suitable for a variety of applications.
4. Temperature Range: It is designed for industrial temperature ranges from -40°C to +85°C.
5. Data Retention: The device provides data retention of more than 200 years, ensuring the longevity of stored information.
6. Page Write Capability: It features a 64-byte page write capability, enabling efficient data management.
7. Low Power Consumption: The EEPROM is designed for low power usage, with a standby current of less than 1 µA.
8. Package Options: Available in SOIC and TSSOP packages, offering flexibility in design and implementation.
These features make the 24AA256T-I/ST suitable for a wide range of applications requiring non-volatile memory, such as consumer electronics, automotive systems, and industrial controls.

Pinout

The 24AA256T-I/ST is a 256 Kbit I2C-compatible Serial Electrically Erasable PROM (EEPROM) manufactured by Microchip Technology. It comes in an 8-pin Small Outline Integrated Circuit (SOIC) package. The pin configuration and their functions are as follows:
1. A0, A1, A2 (Pins 1, 2, 3): Address inputs used to select one of up to eight devices of the same type on the same I2C bus.
2. VSS (Pin 4): Ground pin.
3. SDA (Pin 5): Serial Data line, used for bidirectional data transfer between the device and the I2C bus.
4. SCL (Pin 6): Serial Clock line, used to synchronize data transfer over the I2C bus.
5. WP (Pin 7): Write-Protect input, used to enable or disable write operations to the entire memory array.
6. VCC (Pin 8): Power supply pin.
This EEPROM is utilized in applications for data storage where non-volatile memory is needed.

Manufacturer

The 24AA256T-I/ST is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company was founded in 1989 and is headquartered in Chandler, Arizona. It focuses on the development and production of a wide range of semiconductor products, including microcontrollers, memory devices, and various integrated circuits used in consumer electronics, automotive, industrial, and computing applications.
Microchip is known for its emphasis on providing innovative and reliable semiconductor solutions that help customers create optimized designs. The company offers comprehensive development tools and support, making it easier for engineers to incorporate its products into their applications. The 24AA256T-I/ST, for example, is a part of Microchip's EEPROM (Electrically Erasable Programmable Read-Only Memory) offerings, which are used for non-volatile memory storage in various applications.

Application

The 24AA256T-I/ST is a 256-Kbit EEPROM memory chip commonly used in various applications due to its non-volatile storage capability and I2C interface. It is ideal for data logging, configuration settings, and calibration data storage in consumer electronics, industrial automation, medical devices, and automotive systems. It is also used in networking equipment for storing firmware and device settings. Its small form factor makes it suitable for portable devices, while its reliability and endurance make it appropriate for critical data storage in safety systems.

Package

The 24AA256T-I/ST is an I2C EEPROM IC manufactured by Microchip Technology. It comes in a SOIC-8 (Small Outline Integrated Circuit) package type.

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