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24LC256-I/MS

Name: 24LC256-I/MS
Rating: 4.7 (12 reviews)

IC EEPROM 256KBIT I2C 8MSOP

Производитель
Мфр. Часть #24LC256-I/MS
Пакет
Лист данных 24LC256-I/MS DataSheet
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Спецификации

Part Status	Active
DigiKey Programmable	Verified
Memory Type	Non-Volatile
Memory Format	EEPROM
Technology	EEPROM
Memory Size	256Kbit
Memory Organization	32K 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	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-MSOP
Base Product Number	24LC256
Clock Frequency	400 kHz
Access Time	900 ns

Обзор

Description

The 24LC256-I/MS is a 256Kb (32K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) device from Microchip Technology. It operates over a wide voltage range of 1.8V to 5.5V, making it suitable for low-power applications. The device communicates via the I²C interface, supporting standard and fast modes with speeds up to 400 kHz.
Key features include:
- Memory Organization: 256Kbits organized as 32,768 words of 8 bits each.
- Endurance and Data Retention: Capable of withstanding at least 1 million write cycles and offering data retention of over 100 years.
- Page Write Capability: Allows writing up to 16 bytes in a single operation, enhancing performance.
- Write Protection: Features a hardware write protect pin to prevent accidental writes.
Ideal applications include data logging, configuration storage, and general-purpose memory storage in embedded systems. The 24LC256-I/MS is commonly found in consumer electronics, automotive, and industrial applications due to its reliability and efficiency.

Package

The 24LC256-I/MS is available in an 8-lead MSOP (Thin Shrink Small Outline Package) or an 8-lead PDIP (Plastic Dual In-line Package). These compact package types are designed for surface-mount or through-hole applications, respectively.

Pinout

The 24LC256-I/MS is a 256 Kbit EEPROM (Electrically Erasable Programmable Read-Only Memory) device featuring a total of 8 pins. The pin configuration and their functions are as follows:
1. VCC: Power supply pin (typically 2.5V to 5.5V).
2. GND: Ground pin.
3. SDA: Serial Data Line for data transfer.
4. SCL: Serial Clock Line to synchronize data transfer.
5. WP: Write Protect pin; if connected to VCC, it prevents write operations.
6. A0: Chip Select pin for device addressing (can be left unconnected for single device).
7. A1: Chip Select pin for device addressing (can be left unconnected for single device).
8. A2: Chip Select pin for device addressing (can be left unconnected for single device).
This device uses I2C (Inter-Integrated Circuit) protocol for communication, allowing multiple devices to be connected on the same bus.

Manufacturer

The manufacturer of the 24LC256-I/MS is Microchip Technology Inc. Microchip is a leading provider of microcontroller and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, the company specializes in embedded control solutions, offering a wide range of products including microcontrollers, memory, and analog devices. Microchip serves various industries such as automotive, industrial, consumer, and communications, focusing on high-performance, low-power devices. The 24LC256-I/MS is a 256 Kbit (32 K x 8) I2C EEPROM, widely used for data storage in embedded systems.

Application

The 24LC256-I/MS is a 256 Kbit EEPROM used in various applications, including data storage for microcontrollers, configuration settings, firmware updates, and calibration data in consumer electronics. It is commonly utilized in industrial automation, automotive systems, medical devices, and smart meters where non-volatile memory is needed for storing critical information that must persist after power loss.

Equivalent

The 24LC256-I/MS is a 256K-bit EEPROM. Equivalent products include:
1. AT24C256 - Microchip Technology
2. M24C256 - STMicroelectronics
3. BR24G256 - Rohm Semiconductor
4. CAT24C256 - ON Semiconductor
Ensure to verify pin compatibility and specifications for specific applications.

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