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24LC256T-E/SN

Name: 24LC256T-E/SN
Rating: 4.7 (12 reviews)

IC EEPROM 256KBIT I2C 8SOIC

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製造商。部分 #24LC256T-E/SN
包 SOIC-8
資料表 24LC256T-E/SN DataSheet
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規格

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)

概述

Description

The 24LC256T-E/SN is a 256 Kbit (32 Kbyte) I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) produced by Microchip Technology. It operates on a supply voltage of 2.5V to 5.5V and supports a standard I2C interface for easy integration into various electronic circuits. This EEPROM features a fast data transfer rate of up to 1 Mbps and supports multiple devices on the same bus through its 2-wire interface.
The 24LC256T-E/SN is organized as 32 pages of 32 bytes each, allowing for efficient data storage and retrieval. It includes features such as page write capability, hardware write protection, and an industry-standard 8-bit address. This makes it suitable for applications that require non-volatile memory, such as data logging, configuration settings, and firmware storage in embedded systems. Its compact size and reliability make it a popular choice in consumer electronics, automotive, and industrial applications.

Features

The 24LC256T-E/SN is a 256 Kbit (32 K x 8) I2C EEPROM featuring the following key features:
1. Memory Organization: 32 K x 8-bit EEPROM for data storage.
2. I2C Interface: Supports standard and fast I2C modes (up to 400 kHz).
3. Single Supply Voltage: Operates from 1.7V to 5.5V, making it suitable for low-voltage applications.
4. Page Write Capability: Allows writing up to 64 bytes at a time, enhancing data transfer efficiency.
5. Write Cycle Time: Typical write cycle time is around 5 ms, which is beneficial for quick data updates.
6. Endurance: Supports a minimum of 1,000,000 write cycles per memory location, ensuring durability.
7. Data Retention: Guarantees data retention up to 100 years at 25°C.
8. Built-in Write Protection: Includes features to prevent accidental writes.
9. Available Packages: Offered in various package types, such as SOIC and TSSOP.
These features make the 24LC256T-E/SN suitable for various applications, including consumer electronics, automotive, and industrial systems.

Package

The 24LC256T-E/SN is a 256 Kbit (32 K x 8) I2C EEPROM packaged in an 8-pin SOIC (Small Outline Integrated Circuit) form factor.

Pinout

The 24LC256T-E/SN is a 256 Kbit (32 Kbyte) I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) device. It has a pin count of 8.
Pin Functions:
1. VCC: Power supply (+1.8V to +5.5V).
2. GND: Ground reference.
3. SDA: Serial Data Line for data transfer.
4. SCL: Serial Clock Line for synchronizing data transfer.
5. WP: Write Protect; when connected to VCC, it prevents writes to the memory.
6. A0, A1, A2: Address pins for selecting one of up to 8 devices on the same bus.
This device supports I2C communication and is commonly used in applications requiring non-volatile data storage.

Manufacturer

The manufacturer of the 24LC256T-E/SN is Microchip Technology Inc. Microchip is a leading American company that specializes in the design and manufacture of microcontrollers, memory products, and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip provides a wide range of solutions for various applications, including automotive, industrial, consumer electronics, and Internet of Things (IoT). The 24LC256T-E/SN is a 256 Kbit I2C EEPROM, which is commonly used in embedded systems for data storage. Microchip is known for its reliability, innovation, and support in the semiconductor industry, catering to engineers and designers across multiple sectors.

Application

The 24LC256T-E/SN is a 256 Kbit (32 K x 8) EEPROM that is commonly used in applications such as data storage in consumer electronics, industrial automation, automotive systems, and smart appliances. It is suitable for settings requiring non-volatile memory for configuration data, calibration settings, and logging information. Additionally, it is utilized in telecommunications, medical devices, and IoT applications for storing user data and firmware updates.

Equivalent

The 24LC256T-E/SN is a 256 Kbit EEPROM with I2C interface. Equivalent products include:
1. M24C256 - STMicroelectronics
2. AT24C256 - Microchip Technology
3. 24C256 - Microchip Technology (older part)
4. EEPROM 93C256 - various manufacturers (not I2C, but similar memory size)
Always check electrical characteristics and pin configurations to ensure compatibility.