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24LC02B-I/SN

Name: 24LC02B-I/SN
Rating: 4.7 (12 reviews)

IC EEPROM 2KBIT I2C 400KHZ 8SOIC

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製造商。部分 #24LC02B-I/SN
包 SOIC-8
資料表 24LC02B-I/SN DataSheet
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規格

Package	Tube
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	EEPROM
Technology	EEPROM
MemorySize	2Kb (256 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)

概述

Description

The 24LC02B-I/SN is a 2Kb (256 x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It operates on a supply voltage range of 1.8V to 5.5V and communicates via the I2C interface, allowing multiple devices to be connected on the same bus. The device is organized into 256 bytes, making it suitable for applications that require non-volatile storage of small amounts of data, such as configuration settings or calibration values.
Key features include a maximum write cycle time of 5ms, an endurance of 1 million write/erase cycles, and data retention for up to 100 years. The 24LC02B-I/SN comes in various packages, including SOIC and TSSOP, making it versatile for different designs. Its low power consumption and simple interfacing make it a popular choice for embedded systems, consumer electronics, and other applications needing reliable data storage.

Package

The 24LC02B-I/SN is available in an 8-pin PDIP (Plastic Dual In-Line Package) and an 8-pin SOIC (Small Outline Integrated Circuit) package type. These packages are suited for surface-mount and through-hole applications in various electronic devices.

Pinout

The 24LC02B-I/SN is an I2C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) device with a total of 8 pins.
Pin Count and Functions:
1. VCC (Pin 1): Power supply (typically +2.5V to +5.5V).
2. GND (Pin 2): Ground reference.
3. SDA (Pin 3): Serial Data Line for data transfer.
4. SCL (Pin 4): Serial Clock Line for synchronization.
5. WP (Pin 5): Write Protect; when high, it protects the memory from writing.
6. A0 (Pin 6): Device address selection pin for multiple devices on the same bus.
7. A1 (Pin 7): Device address selection pin (optional for addressing).
8. A2 (Pin 8): Device address selection pin (optional for addressing).
This device supports up to 256 bytes of memory, organized as 128 x 8 bits, and allows for I2C communication for reading and writing data.

Manufacturer

The manufacturer of the 24LC02B-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 specializes in embedded control applications and offers a wide range of products, including microcontrollers, memory devices, and development tools. Microchip serves various industries, including automotive, consumer electronics, industrial, and telecommunications, focusing on innovation and reliability in their semiconductor products.

Application

The 24LC02B-I/SN is a 2-kbit I2C EEPROM used in various applications such as data storage for microcontrollers, configuration settings, calibration data, and small-scale data logging. Common areas include consumer electronics, automotive systems, medical devices, and industrial automation, where non-volatile memory is required for retaining information without power.

Equivalent

The 24LC02B-I/SN chip is a 2 Kbit I2C EEPROM. Equivalent products include:
1. Microchip 24LC02B
2. STMicroelectronics M24C02
3. Atmel AT24C02
4. NXP PCF8582
These alternatives may vary slightly in specifications or packaging, so it's important to check compatibility for your application.