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24LC02B-I/P

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

IC EEPROM 2KBIT I2C 400KHZ 8DIP

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資料表 24LC02B-I/P DataSheet
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規格

Part Status	Active
DigiKey Programmable	Verified
Memory Type	Non-Volatile
Memory Format	EEPROM
Technology	EEPROM
Memory Size	2Kbit
Memory Organization	256 x 8
Memory Interface	I2C
Write Cycle Time - Word, Page	5ms
Voltage - Supply	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Through Hole
Package / Case	8-DIP (0.300", 7.62mm)
Supplier Device Package	8-PDIP
Base Product Number	24LC02
Clock Frequency	400 kHz
Access Time	900 ns

概述

Description

The 24LC02B-I/P is a 2Kb (256 x 8 bits) EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It operates on a voltage range of 1.8V to 5.5V, making it suitable for various low-power applications. The device uses a two-wire I2C interface for communication, allowing multiple devices to be connected on the same bus.
Key features include:
- 1,000,000 write/erase cycles, ensuring durability.
- 40 years data retention at 25°C.
- Fast write operations (up to 5 ms per byte).
- Support for multiple addressing (up to 8 devices on the same bus).
The 24LC02B-I/P is commonly used in applications requiring non-volatile memory, such as in consumer electronics, automotive, and industrial systems. Its small footprint and efficient performance make it ideal for space-constrained designs.

Features

The 24LC02B-I/P is a 2-kilobit (256 x 8-bit) EEPROM (Electrically Erasable Programmable Read-Only Memory) that utilizes I2C (Inter-Integrated Circuit) protocol for communication. Key features include:
1. Memory Organization: 256 x 8 bits, allowing storage of up to 2K bits of data.
2. I2C Interface: Supports standard and fast mode (up to 400 kHz), enabling easy integration with microcontrollers.
3. Addressing: Supports up to 8 devices on a single I2C bus, using a 3-bit address.
4. Low Power Operation: Operates with a low supply voltage (1.8V to 5.5V) and consumes minimal power during read/write operations.
5. Endurance: Capable of enduring up to 1,000,000 write cycles per memory cell.
6. Data Retention: Ensures data retention for at least 100 years at room temperature.
7. Write Protection: Features a write protection mechanism to safeguard data integrity.
These characteristics make the 24LC02B-I/P suitable for applications requiring reliable non-volatile memory in compact electronic devices.

Package

The 24LC02B-I/P is packaged in an 8-pin PDIP (Plastic Dual In-line Package) form factor. This package type is commonly used for integrated circuits, providing easy mounting on printed circuit boards.

Pinout

The 24LC02B-I/P is an I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) with a pin count of 8.
Pin Functions:
1. VCC (Pin 1): Power supply pin (typically 2.5V to 5.5V).
2. GND (Pin 2): Ground pin.
3. SDA (Pin 3): Serial Data Line for data transfer.
4. SCL (Pin 4): Serial Clock Line to synchronize data transfer.
5. WP (Pin 5): Write Protect pin; when connected to VCC, it prevents write operations.
6. A0 (Pin 6), A1 (Pin 7): Address pins used to set the device address (for multiple devices on the same bus).
7. NC (Pin 8): No Connection; not used.
The 24LC02B-I/P provides 2 Kbit of memory and supports two-wire I2C communication, making it suitable for various data storage applications in electronic devices.

Manufacturer

The 24LC02B-I/P is manufactured by Microchip Technology Inc., a leading provider of microcontroller, memory, and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in developing microcontrollers, digital signal controllers, and various integrated circuits (ICs) for a wide range of applications, including consumer electronics, automotive, industrial, and telecommunications. The company is known for its commitment to quality, innovation, and customer support, offering a range of development tools and resources to help engineers design and implement their products effectively.

Application

The 24LC02B-I/P is a two-wire EEPROM (Electrically Erasable Programmable Read-Only Memory) that is commonly used in applications such as data storage, configuration settings, calibration data, and firmware updates. It is ideal for embedded systems in consumer electronics, automotive, medical devices, and industrial control systems where low power consumption and serial communication are essential. Its small size and ease of integration make it suitable for a wide range of applications requiring persistent memory.

Equivalent

The 24LC02B-I/P is an EEPROM chip from Microchip Technology. Equivalent products include:
1. AT24C02 - from Atmel/Microchip
2. M24C02 - from STMicroelectronics
3. 93C56 - from Microchip (though with different architecture)
4. BR24L02 - from ROHM
Check the specifications for voltage, pin configuration, and functionality to ensure compatibility in your application.