AT24C256C-XHL-T

The AT24C256C-XHL-T is a type of EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It is part of the AT24 series and offers a storage capacity of 256 kilobits (32 kilobytes). This memory device is commonly used for storing small amounts of data that must be retained even when power is lost, such as configuration settings and calibration data.
The AT24C256C-XHL-T operates using a two-wire I2C bus interface, allowing for easy integration into various applications. It features a wide operating voltage range, typically from 1.7V to 5.5V, making it suitable for use in battery-powered and low-voltage systems. The device offers write protection features and supports both byte-level and page-level write operations, with page sizes often being 64 bytes.
This EEPROM is available in a variety of packaging options, with the "XHL" suffix indicating a specific lead-free package type designed for Halogen-free applications. The "T" in the part number typically denotes tape and reel packaging for automated assembly processes.

The AT24C256C-XHL-T is a 256-Kbit I2C-compatible EEPROM. Equivalent products are:
1. Microchip 24LC256 - 256-Kbit I2C EEPROM.
2. STMicroelectronics M24C64 - Similar EEPROM with I2C interface.
3. ON Semiconductor CAT24C256 - Another 256-Kbit I2C EEPROM option.
4. ROHM BR24G256F - EEPROM with similar specifications.
5. Cypress (Infineon) FM24C256 - Serial I2C F-RAM, not EEPROM, but similar function.
Ensure compatibility by checking voltage, speed, and package requirements.

The AT24C256C-XHL-T is a 256-Kbit I2C-compatible serial EEPROM from Microchip Technology. Key features include:
1. Memory Organization: 32K x 8 (256 Kbits).
2. Serial Interface: I2C-compatible, supporting standard (100 kHz), fast (400 kHz), and fast-plus (1 MHz) modes.
3. Voltage Range: Operates from 1.7V to 5.5V.
4. Write Protection: Features software write protection for the entire memory array.
5. Page Write Capability: Supports up to 64 bytes of data per page write.
6. Endurance: Up to 1 million write cycles per byte with data retention of 100 years.
7. Operating Temperature: Suitable for industrial temperatures ranging from -40°C to +85°C.
8. Package: Available in 8-lead TSSOP.
9. Data Security: Includes hardware data protection feature.
10. Low Power Consumption: Efficient power management with low standby and active currents.
These features make the AT24C256C-XHL-T suitable for a wide range of applications, including industrial, consumer, and computing systems, where reliable non-volatile memory storage is required.

The AT24C256C-XHL-T is a 256Kb I2C-compatible serial EEPROM. It is typically housed in an 8-pin package, such as SOIC, TSSOP, or DFN. Below are the pin functions for this device:
1. A0, A1, A2: Device address input pins. These pins are used to define the device's address on the I2C bus, allowing multiple devices to be connected to the same bus.
2. SDA: Serial Data. This pin is used for bidirectional communication of data and addresses between the device and the microcontroller.
3. SCL: Serial Clock. This pin is used to synchronize data transfer between the EEPROM and the microcontroller.
4. WP: Write Protect. This pin is used to protect the entire memory from write operations when held high.
5. VCC: Supply Voltage. This pin powers the device and typically requires a voltage between 1.7V and 5.5V.
6. GND: Ground. This pin is connected to the system ground.
These pins provide the necessary interface for communication and functionality operations with the AT24C256C-XHL-T EEPROM.

The AT24C256C-XHL-T is manufactured by Microchip Technology Inc. Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company is well-known for its development, manufacturing, and distribution of semiconductor products that include microcontrollers, memory products, and integrated circuits. These products serve a wide range of applications across various industries, including automotive, consumer electronics, industrial, and telecommunications. Microchip's solutions are designed to offer high performance and low power consumption, contributing to efficient and reliable designs.

The AT24C256C-XHL-T is a 256-Kb I2C-compatible EEPROM used in applications requiring non-volatile memory storage. Its application areas include:
1. Consumer Electronics: Used for storing configuration settings, user preferences, and calibration data in devices like TVs, audio systems, and digital cameras.

2. Industrial Equipment: Provides reliable data logging and settings storage for machinery and control systems.
3. Automotive: Used in infotainment systems, engine control units, and other electronic subsystems for data retention.
4. Medical Devices: Stores patient data, device settings, and calibration records.
5. Communication Devices: Utilized in routers, modems, and network equipment for firmware and configuration storage.
These applications benefit from its low-power operation, high endurance, and data retention capabilities.

The AT24C256C-XHL-T is an EEPROM memory IC with a package type of SOT-23-5. This package is a small outline transistor with five leads, designed for surface mounting on circuit boards. It offers a compact form factor suitable for space-constrained applications.