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24AA256-I/SN

Name: 24AA256-I/SN
Rating: 4.7 (12 reviews)

IC EEPROM 256KBIT I2C 8SOIC

제조업체
Mfr.부분 #24AA256-I/SN
패키지 SOP8
데이터시트 24AA256-I/SN DataSheet
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사양

Package	Tube
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	EEPROM
Technology	EEPROM
MemorySize	256Kb (32K x 8)
MemoryInterface	I²C
ClockFrequency	400 kHz
WriteCycleTime-WordPage	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)

개요

Description

The 24AA256-I/SN is a 256 Kbit (32 Kbyte) I²C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It operates on a supply voltage of 1.8V to 5.5V and features an I²C interface that allows multiple devices to be connected on the same bus, facilitating easy integration into various applications.
Key features include a maximum clock frequency of 400 kHz, support for up to 1 million erase/write cycles, and data retention of up to 100 years. The device comes in various packaging options, including an 8-pin SOIC and TSSOP, making it suitable for space-constrained designs.
The 24AA256-I/SN is commonly used in applications such as data logging, configuration settings storage, and any scenario requiring non-volatile memory. Its low power consumption makes it ideal for battery-operated devices. The "I" designation indicates it's an industrial-grade part, ensuring greater reliability under varying environmental conditions.

Features

The 24AA256-I/SN is a 256Kb (32K x 8) I2C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. Key features include:
- Memory Size: 256Kb (32K x 8 bits).
- I2C Interface: Supports standard and fast modes (up to 400 kHz).
- Operating Voltage: Typically operates between 2.5V and 5.5V.
- Write Cycles: Endurance of 1,000,000 write cycles per byte.
- Data Retention: Retains data for over 100 years at 25°C.
- Multi-Device Capability: Supports multiple devices on the same I2C bus with unique addresses.
- Page Write Capability: Allows writing up to 16 bytes in a single operation.
- Low Power Consumption: Suitable for battery-powered applications.
- Temperature Range: Available for industrial applications (-40°C to +125°C).
These features make the 24AA256-I/SN ideal for various applications, including data logging, configuration storage, and other non-volatile memory needs.

Package

The 24AA256-I/SN is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format. It features a surface-mount design, which allows for compact and efficient PCB layouts.

Pinout

The 24AA256-I/SN is a 256 Kbit (32 Kbyte) I2C EEPROM with a pin count of 8. The pins and their functions are as follows:
1. VCC: Power supply (typically 1.8V to 5.5V).
2. GND: Ground reference.
3. SDA: Serial Data Line; used for data transfer.
4. SCL: Serial Clock Line; used to synchronize data transmission.
5. WP: Write Protect; when connected to VCC, it protects the memory from write operations.
6. A0, A1, A2: Address Pins; used to set the device's I2C address, enabling up to 8 devices on the same bus.
The device operates in a standard I2C interface, allowing for easy integration with microcontrollers and other digital devices.

Manufacturer

The manufacturer of the 24AA256-I/SN is Microchip Technology Inc. Microchip is a publicly traded company based in Chandler, Arizona, specializing in the design and production of microcontroller, memory, and analog semiconductors. Founded in 1989, Microchip serves a wide range of industries, including automotive, industrial, consumer electronics, and communications. The 24AA256-I/SN is a 256 Kbit (32 Kbyte) I2C EEPROM memory device, commonly used for data storage in electronic applications. Microchip is known for its focus on embedded control and offers a variety of development tools and solutions for engineers and developers.

Application

The 24AA256-I/SN is a 256 Kbit I²C EEPROM widely used in applications such as consumer electronics, automotive systems, industrial automation, and medical devices. Its compact size and low power consumption make it suitable for data storage in smart meters, sensors, configuration settings, and firmware storage in various embedded systems.

Equivalent

The 24AA256-I/SN is a 256 Kbit I2C EEPROM. Equivalent products include:
1. 24LC256 - Similar functionality with the same storage capacity.
2. M24C256 - Another EEPROM with compatible specifications.
3. AT24C256 - Microchip's EEPROM with similar features.
Always verify specific pin configurations and electrical characteristics when substituting components.