24LC256T-E/SN

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24LC256T-E/SN

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IC EEPROM 256KBIT I2C 8SOIC

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR),Cut Tape (CT)
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 ~ 125°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Tổng quan

Description

The 24LC256T-E/SN is a 256-kilobit Electrically Erasable Programmable Read-Only Memory (EEPROM) chip manufactured by Microchip Technology. It is part of the 24LC256 series and is designed for use in various applications where non-volatile memory storage is required. The chip utilizes an I2C (Inter-Integrated Circuit) serial interface, making it easy to connect with microcontrollers and other devices that support this communication protocol.
Key features include:
- Capacity: 256 kilobits (32 kilobytes).
- Voltage: Operates in a range of 2.5V to 5.5V, accommodating low-voltage applications.
- Speed: Supports up to 400 kHz clock frequency, allowing for fast data transfer.
- Write Cycle: Offers more than 1 million write cycles per page, ensuring durability.
- Data Retention: Capable of retaining data for over 200 years.
- Package: The "E/SN" denotes a specific package type, typically an 8-lead SOIC (Small Outline Integrated Circuit).
The 24LC256T-E/SN is suitable for consumer electronics, automotive, and industrial systems requiring reliable data storage.

Equivalent

The 24LC256T-E/SN is a 256Kb I2C EEPROM by Microchip. Equivalent products include:
1. AT24C256C by Microchip/Atmel
2. CAT24C256 by ON Semiconductor
3. M24C256 by STMicroelectronics
4. BR24G256 by ROHM Semiconductor
These equivalents offer similar functionality, such as 256Kb memory size and I2C interface, but ensure compatibility by checking specific electrical and timing specifications.

Features

The 24LC256T-E/SN is a 256-Kbit I2C CMOS Serial EEPROM from Microchip Technology. Key features include:
1. Capacity: 32 KB of storage organized as 32,768 x 8.
2. Interface: I2C bus compatible, supports high-speed mode up to 1 MHz.
3. Voltage Range: Operates with a supply voltage from 2.5V to 5.5V.
4. Low Power: Features low power consumption with typical standby and active currents of 1 µA and 1 mA, respectively.
5. Page Write: Supports page write mode of up to 64 bytes.
6. Endurance: Offers over 1 million erase/write cycles with data retention of more than 200 years.
7. Package: Available in an 8-lead SOIC package.
8. Write Protection: Has a hardware write-protect pin to prevent inadvertent writes.
9. Temperature Range: Operates in a wide temperature range from -40°C to +85°C.
10. Reliability: Features robust data integrity with built-in hardware data protection.
These features make the 24LC256T-E/SN suitable for applications requiring reliable and low-power non-volatile memory.

Pinout

The 24LC256T-E/SN is a 256 Kbit (32 KB) I²C serial EEPROM manufactured by Microchip Technology. It is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin configuration and functions:
1. VCC (Pin 8): Power supply pin, typically 2.5V to 5.5V.
2. VSS (Pin 4): Ground pin.
3. SDA (Pin 5): Serial Data line; a bidirectional line for data transfer.
4. SCL (Pin 6): Serial Clock line; used for clock signal.
5. WP (Pin 7): Write Protect pin; when connected to VCC, write operations are disabled.
6. A0, A1, A2 (Pins 1, 2, 3): Device address pins; used to select one of up to 8 devices on the I²C bus.
The EEPROM supports standard I²C protocol for communication and is used to store data that needs to be retained when power is off. It is often used in applications like data logging, configuration settings storage, and other similar memory needs.

Manufacturer

The 24LC256T-E/SN is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. It is a publicly traded company headquartered in Chandler, Arizona, and is known for its range of semiconductor products used in embedded control applications. The company serves a wide variety of industries, including automotive, industrial, consumer electronics, and telecommunications, offering solutions that enhance the design, development, and deployment of electronic systems.

Application

The 24LC256T-E/SN is a 256 Kbit I2C serial EEPROM, commonly used for non-volatile data storage applications. Key application areas include:
1. Consumer Electronics: For storing configuration settings and user preferences.
2. Automotive Systems: Used in infotainment systems and vehicle data logging.
3. Industrial Equipment: For maintaining calibration data and operation logs.
4. Medical Devices: Storing patient data or device settings.
5. Computers and Peripherals: For BIOS storage or configuration parameters.
6. Communication Systems: Used in networking devices for storing device firmware and settings.
Its low power consumption and wide operating voltage range make it suitable for battery-operated devices.

Package

The 24LC256T-E/SN is an I2C EEPROM memory chip with a 256Kb capacity manufactured by Microchip Technology. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is commonly used for surface-mount applications.

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