CAT24C256HU4IGT3

The CAT24C256HU4IGT3 is a 256-Kb (32-KB) serial Electrically Erasable Programmable Read-Only Memory (EEPROM) chip that uses the I²C (Inter-Integrated Circuit) protocol for communication. It is part of the CAT24C256 series, designed for applications requiring reliable, low-power data storage.
Key features include:
- I²C Interface: Supports standard (100 kHz), fast (400 kHz), and fast-plus (1 MHz) modes, allowing flexible integration into various systems.
- 256-Kilobit Capacity: Provides storage for up to 32,768 8-bit words, suitable for data logging, configuration settings, and calibration data.
- Low Power Consumption: Ideal for battery-powered applications due to low standby and active current requirements.
- Write Protection: Includes a write-protect pin to safeguard data from accidental changes.
- Wide Voltage Range: Operates from 1.7V to 5.5V, compatible with different power supply levels.
- High Reliability: With over 1 million write cycles and a data retention period of up to 100 years.
The CAT24C256HU4IGT3 is commonly used in consumer electronics, industrial automation, and automotive systems for efficient and reliable data storage.

The CAT24C256HU4IGT3 is a 256-Kb I2C CMOS Serial EEPROM. Equivalent products include the AT24C256 from Microchip, 24LC256 from Microchip, M24C256 from STMicroelectronics, and 24AA256 from Microchip. These chips typically feature similar memory capacity, communication protocols, and operational voltage ranges, making them suitable substitutes in many applications. Always verify compatibility with your specific application requirements.

The CAT24C256HU4IGT3 is a 256-Kb (kilobit) I2C CMOS Serial EEPROM. It typically comes in a 4-lead UDFN (Ultra-Thin Dual Flat No-Leads) package. The key features and pin functions are as follows:
- Pin Count: 4 Pins
- Pinout and Functions:
1. VSS (Ground): This pin is connected to the ground of the system.
2. SDA (Serial Data): This bidirectional pin is used for transferring data to and from the EEPROM. It acts as both input and output.
3. SCL (Serial Clock): This input pin is used to clock all data into and out of the device. It synchronizes data transfer between the EEPROM and the microcontroller.
4. VCC (Power Supply): This pin is connected to the supply voltage.
The EEPROM operates on a standard I2C interface, supporting fast data transfer rates up to 1 MHz in Fast-mode Plus. It is used for non-volatile storage of data in various applications.

The CAT24C256HU4IGT3 is manufactured by ON Semiconductor. ON Semiconductor is a leading global supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy-efficient power management, analog, sensors, logic, timing, connectivity, discrete, SoC, and custom devices. The company serves a wide range of markets, including automotive, industrial, consumer electronics, and communications. ON Semiconductor is known for its focus on developing innovative and reliable semiconductor components that aid in efficient energy usage and the advancement of electronics technology.

The CAT24C256HU4IGT3 is a 256-Kbit I2C CMOS Serial EEPROM used in various applications. It is commonly used in consumer electronics for storing calibration data and user settings, in industrial applications for configuration parameters and data logging, and in automotive systems for storing critical system information. Additionally, it is utilized in communication devices, medical equipment, and computing systems for non-volatile data storage needs. Its low power consumption and high reliability make it suitable for portable and battery-operated devices as well.

The CAT24C256HU4IGT3 is a 256-Kb EEPROM with an I²C interface and is typically available in a UDFN (Ultra-thin Dual Flat No-lead) package. This specific package type is compact, suitable for space-constrained applications, and offers a low profile, enhancing its utility in modern electronic devices.