24AA256UIDT-I/SN

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24AA256UIDT-I/SN

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IC EEPROM 256KBIT I2C 8SOIC

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Thông số kỹ thuật

thuộc tính Giá trị
PartStatus Active
DigiKeyProgrammable Not Verified
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 256Kbit
MemoryOrganization 32K x 8
MemoryInterface I2C
ClockFrequency 400 kHz
WriteCycleTime-Word,Page 5ms
AccessTime 900 ns
Voltage-Supply 1.7V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber 24AA256

Tổng quan

Description

The 24AA256UIDT-I/SN is a 256 Kbit (32 Kbyte) I2C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It operates at a supply voltage range of 1.8V to 5.5V, making it suitable for low-power applications. The device features a 2-wire I2C interface, allowing multiple EEPROMs to be connected on the same bus while addressing them individually via unique identifiers.
With a maximum clock speed of 1 MHz, the 24AA256UIDT-I/SN supports fast data transfer rates, making it efficient for applications requiring quick data retrieval and storage. It offers up to 1 million write cycles and a data retention period of over 100 years, ensuring durability and longevity.
This EEPROM is commonly used in consumer electronics, automotive applications, and industrial devices for data storage, configuration settings, and calibration. The “I/SN” suffix indicates the device comes in a small, surface-mount package, suitable for space-constrained designs.

Equivalent

The 24AA256UIDT-I/SN is a 256Kb I2C EEPROM. Equivalent products include Microchip's 24LC256, 24C256, and 24AA256. Other alternatives from different manufacturers may include STMicroelectronics' M24C256 and NXP's PCF8572. Always verify compatibility in terms of voltage, memory size, and communication protocol before substitution.

Features

The 24AA256UIDT-I/SN is a 256 Kbit (32 K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) device. Key features include:
1. Interface: I²C compatible 2-wire serial interface for easy integration.
2. Operating Voltage: Supports a voltage range of 1.7V to 5.5V, allowing for versatile application in low-power devices.
3. Data Retention: Offers data retention of over 200 years, ensuring long-term storage without power.
4. Write Cycle Time: Fast write cycle time of approximately 5 ms, which enhances efficiency in writing data.
5. Endurance: Capable of enduring over 1 million write cycles, making it suitable for frequent data updates.
6. Package Options: Available in various packages, including 8-lead SOIC, for flexibility in design.
7. Page Write Mode: Supports page write operations, allowing multiple bytes to be written in a single operation.
This combination of features makes the 24AA256UIDT-I/SN ideal for applications requiring reliable non-volatile memory storage.

Pinout

The 24AA256UIDT-I/SN is a 256 Kbit I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) with a pin count of 8.
Pin Functions:
1. VCC (Pin 1): Supply voltage (2.5V to 5.5V).
2. GND (Pin 2): Ground.
3. SDA (Pin 3): Serial Data Line for data transfer.
4. SCL (Pin 4): Serial Clock Line for synchronizing data transfer.
5. WP (Pin 5): Write Protect; enables write protection when tied to high.
6. A0 (Pin 6): Address pin (used for device addressing).
7. A1 (Pin 7): Address pin (used for device addressing).
8. A2 (Pin 8): Address pin (used for device addressing).
The device supports multiple configurations through the address pins, allowing connection of multiple devices on the same I2C bus.

Manufacturer

The manufacturer of the 24AA256UIDT-I/SN is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, the company is known for its development of microcontrollers and is recognized for its extensive portfolio of integrated circuits (ICs), including memory devices, such as EEPROMs and Flash memory.
Microchip serves a wide range of industries, including automotive, industrial, consumer, and communications, providing innovative solutions for embedded control applications. The company focuses on offering low-risk product development and reduced total system cost, which is essential for companies looking to implement reliable and efficient electronic designs. With a strong emphasis on customer support and design resources, Microchip enables engineers to develop complex systems while maintaining design simplicity. Their products are widely used in applications that require reliable data storage and retrieval, making them a key player in the semiconductor industry.

Application

The 24AA256UIDT-I/SN is a 256 Kbit EEPROM (Electrically Erasable Programmable Read-Only Memory) that is commonly used in various application areas including:
1. Consumer Electronics: For storing configuration settings in devices like TVs and audio systems.
2. Industrial Automation: In PLCs and sensors for data logging and configuration.
3. Automotive: For storing calibration data and configuration parameters in ECUs.
4. Medical Devices: In equipment for storing patient data and device settings.
5. Networking: For MAC address and configuration storage in routers and switches.
Its I2C interface makes it suitable for various embedded systems.

Package

The 24AA256UIDT-I/SN is packaged in an 8-pin MLF (Micro Lead Frame) form factor. This surface-mount package is designed for space-efficient applications, allowing for easy integration on printed circuit boards.

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