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AT24C256C-SSHL

Name: AT24C256C-SSHL
Rating: 4.7 (12 reviews)

EEPROM

Производитель
Мфр. Часть #AT24C256C-SSHL
Пакет
Лист данных AT24C256C-SSHL DataSheet
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Спецификации

Обзор

Description

The AT24C256C-SSHL is a 256 Kbit (32 Kbyte) I2C EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It operates on a supply voltage range of 1.7V to 5.5V, making it suitable for low-power applications. The device features a 256 Kbit memory organized as 32 pages of 64 bytes each, allowing for byte-wise or page-wise data writing.
The AT24C256C uses a 2-wire I2C interface for communication, which supports multiple devices on the same bus with unique addresses. It provides a fast mode with a maximum clock frequency of 400 kHz, enabling efficient data transfer. The EEPROM supports a write cycle time of up to 5 ms and includes built-in write protection mechanisms to enhance data integrity.
Applications for the AT24C256C include data storage for microcontrollers, configuration settings, and calibration data in consumer electronics, automotive, and industrial systems. Its compact size and low power consumption make it ideal for portable devices.

Features

The AT24C256C-SSHL is a 256 Kbit (32 K x 8) EEPROM from Microchip Technology. Key features include:
1. Memory Organization: 32,768 x 8 bits of non-volatile memory.
2. Interface: Supports I2C (TWI) interface, compatible with standard and fast modes (up to 400 kHz).
3. Operating Voltage: Operates between 1.7V to 5.5V, suitable for various applications.
4. Access Time: Fast read access time of up to 300 ns.
5. Endurance: Endurance of 1,000,000 write cycles per byte, ensuring reliability.
6. Data Retention: Retains data for up to 100 years under proper conditions.
7. Page Write: Supports page write operations (up to 64 bytes at a time) for efficient data programming.
8. Addressing: Uses a 7-bit I2C address, simplifying device identification on the bus.
9. Low Power Consumption: Designed for low power operation, making it ideal for battery-powered devices.
These features make the AT24C256C-SSHL suitable for various applications, including consumer electronics, industrial control, and automotive systems.

Package

The AT24C256C-SSHL is available in an 8-pin SOIC (Small Outline Integrated Circuit) package. It features a surface-mount design that is suitable for high-density PCB applications.

Pinout

The AT24C256C-SSHL is a 256 Kbit I2C EEPROM with a 2-wire interface. It has a total of 8 pins. Here’s a brief overview of each pin's function:
1. VCC: Power supply, typically 1.7V to 5.5V.
2. GND: Ground reference.
3. SDA: Serial Data Line, used for data transfer.
4. SCL: Serial Clock Line, used for synchronizing data transmission.
5. A0, A1, A2: Address pins, used to set the device's I2C address.
6. WP: Write Protect, used to enable or disable write operations (active low).
7. NC: Not Connected, no function.
This device is commonly used for data storage applications in embedded systems.

Manufacturer

The manufacturer of the AT24C256C-SSHL is Microchip Technology Inc. Microchip is a leading American semiconductor company that specializes in developing microcontrollers, memory chips, and other embedded control products. Founded in 1989, the company provides a wide range of solutions for various applications, including automotive, industrial, consumer, and aerospace sectors. Microchip is known for its focus on innovation, quality, and customer support, offering products that enable designers to create efficient and reliable electronic systems. The AT24C256C-SSHL is a 256-kilobit Electrically Erasable Programmable Read-Only Memory (EEPROM) device, often used in applications that require non-volatile data storage.

Application

The AT24C256C-SSHL is a 256K-bit EEPROM chip commonly used in applications such as data storage, configuration settings, and calibration data retention in various electronic devices. It is ideal for consumer electronics, automotive systems, industrial control, medical devices, and telecommunications, where non-volatile memory is required for storing user preferences and system parameters. Its I2C interface allows for easy integration into microcontroller-based systems.

Equivalent

The AT24C256C-SSHL, a 256 Kbit EEPROM, has several equivalent products including:
1. Microchip 24LC256
2. STMicroelectronics M24C256
3. NXP (Philips) PCF8583
These chips share similar features, such as I2C interface and 256 Kbit memory size, but it’s essential to check specific electrical characteristics and packaging for compatibility.

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