24LC256-I/SN

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24LC256-I/SN

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IC EEPROM 256KBIT I2C 8SOIC

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Especificações

Atributo Valor
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 2.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Visão Geral

Description

The 24LC256-I/SN is a 256-Kilobit Electrically Erasable Programmable Read-Only Memory (EEPROM) from Microchip Technology. It is organized as 32,768 words of 8 bits each. This non-volatile memory device is used for storing data that must be retained without power, making it suitable for various applications, including industrial, consumer, and automotive systems.
Key features include:
1. I2C Interface: It supports a two-wire I2C bus for communication, allowing multiple devices to be connected on the same bus.
2. Wide Voltage Range: Operates over a range of 2.5V to 5.5V, making it versatile for different power supply conditions.
3. Low-Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
4. Page Write Capability: Supports up to 64-byte page writes, enhancing data transfer efficiency.
5. Data Retention and Endurance: Offers over 1 million erase/write cycles and retains data for more than 200 years.
The 24LC256-I/SN is housed in an 8-pin SOIC package, making it compact and easy to integrate into PCB designs.

Equivalent

The 24LC256-I/SN is a 256Kb I2C EEPROM. Equivalent products include:
1. AT24C256C from Microchip
2. CAT24C256 from ON Semiconductor
3. M24C256 from STMicroelectronics
4. FM24C256 from Cypress (Infineon)
5. BR24G256 from ROHM
Always ensure compatibility with specifications like voltage range, temperature range, and package type when selecting an equivalent.

Features

The 24LC256-I/SN is a 256-Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) organized as 32,768 x 8 bits. It features a two-wire serial interface compatible with I²C protocol, allowing for easy integration into microcontroller-based systems. Key features include a wide operating voltage range from 2.5V to 5.5V, making it versatile for various applications. The device supports a maximum clock frequency of 400 kHz, enabling fast data transfer rates. It also provides a page write capability of up to 64 bytes, enhancing efficient memory use. Data retention is guaranteed for over 200 years, with a minimum of 1 million erase/write cycles, ensuring long-term reliability. Additional features include hardware write protection, sequential read capability, and low power consumption, making it suitable for battery-powered devices. The EEPROM is offered in a small 8-pin SOIC package, providing a compact solution for embedded applications.

Pinout

The 24LC256-I/SN is a 256Kb (32KB) I2C EEPROM with 8 pins. Here is the pin configuration and their functions:
1. A0, A1, A2 (Pins 1, 2, 3): These are address pins used for hardware addressing. They allow up to eight devices on the same I2C bus by altering the device address.
2. VSS (Pin 4): This is the ground pin and should be connected to a common ground in the circuit.
3. SDA (Pin 5): Serial Data. This pin is used for data input and output in the I2C communication protocol.
4. SCL (Pin 6): Serial Clock. This pin is used to synchronize data transfer between the microcontroller and the EEPROM.
5. WP (Pin 7): Write-Protect. This pin prevents write operations on the EEPROM when connected to VCC (logical high).
6. VCC (Pin 8): Supply Voltage. This pin should be connected to the positive supply voltage, typically between 2.5V and 5.5V.
The 24LC256-I/SN is used for non-volatile storage in various applications, retaining data even when powered off.

Manufacturer

The 24LC256-I/SN is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that designs and produces a wide range of microcontrollers, memory, and analog and interface products. The company specializes in embedded control solutions and is known for its microcontroller and memory products, including EEPROMs like the 24LC256-I/SN. Microchip serves various industries, including automotive, industrial, consumer electronics, and aerospace, providing reliable and innovative solutions that support the development of cutting-edge technology.

Application

The 24LC256-I/SN is a 256-Kilobit I²C-compatible serial EEPROM used in various applications. Common application areas include:
1. Consumer Electronics: For storing configuration settings and user preferences.
2. Industrial Automation: For data logging and storing calibration data.
3. Medical Devices: For maintaining patient records and device configurations.
4. Automotive: For non-volatile storage of vehicle settings and diagnostic data.
5. Communication Systems: To save network configurations.
6. IoT Devices: For storing firmware updates and sensor data.
7. Home Appliances: To retain user settings and operational parameters.
Its non-volatile memory and low power consumption make it ideal for systems requiring reliable data retention.

Package

The 24LC256-I/SN is an EEPROM memory chip with a capacity of 256 Kbit (32 Kbytes). It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is suitable for surface-mount technology.

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