The AT24C128C - XHM - T is an outstanding Electrically Erasable Programmable Read - Only Memory (EEPROM) introduced by Microchip.
1. Key Features
Large - Capacity Storage
With a storage capacity of 128Kbit (16KB), organized as 16K x 8 bits, it can meet a wide variety of data storage needs. This ample space is suitable for storing complex configuration settings, calibration data, and even some small - scale software code snippets in various electronic devices.
High - Speed I²C Interface
Featuring an I²C interface, it can achieve a maximum data transfer rate of up to 1MHz. This high - speed communication capability enables quick data storage and retrieval, making it efficient for systems that require rapid access to stored information. Whether it's a microcontroller accessing configuration data or a sensor writing logged data, the I²C interface ensures smooth and fast data transfer.
Wide Operating Voltage Range
The operating power supply voltage ranges from 1.7V to 5.5V. This wide range allows it to adapt to diverse power - supply configurations. It is especially well - suited for low - power devices where power consumption needs to be carefully managed, as it can operate effectively with different voltage levels while maintaining its performance.
Broad Temperature Adaptability
Operating within a temperature range of - 40°C to + 85°C, the AT24C128C - XHM - T can function stably in harsh environments. This makes it suitable for applications in industries such as industrial control and automotive, where extreme temperature conditions are common.
High Reliability
It offers a remarkable data retention time of up to 100 years (at 25°C) and can endure up to 1,000,000 write/erase cycles. These features ensure the long - term and stable storage of data, providing peace of mind for users relying on the integrity of their stored information.
Low Power Consumption
The device has an extremely low quiescent current, which contributes to reducing the overall power consumption of the system. This is a significant advantage in battery - powered devices or applications where energy efficiency is a top priority.
2. Application Areas
Consumer Electronics
In consumer electronics like smart TVs, audio systems, and gaming consoles, the AT24C128C - XHM - T can be used to store user - specific settings. For example, in a smart TV, it can save picture and sound preferences, channel lists, and even some application - specific data. In a high - end audio system, it may store equalizer settings, presets for different music genres, and connectivity configurations.
Industrial Control
In the industrial control field, programmable logic controllers (PLCs), motor drives, and industrial sensors can benefit from the AT24C128C - XHM - T. PLCs can use it to store control programs, historical process data, and fault - diagnosis information. Motor drives can rely on it to store calibration parameters for optimal motor operation, and industrial sensors can log data such as temperature, pressure, and vibration readings over time.
Automotive Electronics
In the automotive industry, this EEPROM plays a crucial role. In engine control units (ECUs), it stores engine - specific calibration data, which affects fuel injection, ignition timing, and emission control. In in - car infotainment systems, it can store user - selected radio stations, navigation maps, and Bluetooth - paired device information. Additionally, automotive sensors like wheel - speed sensors and air - flow sensors can use it to store calibration and diagnostic data.
Smart Home
In the smart home ecosystem, devices such as smart thermostats, smart lighting systems, and home security cameras can utilize the AT24C128C - XHM - T. A smart thermostat can store temperature set - points, user - defined schedules, and calibration data for accurate temperature sensing. Smart lighting systems can save lighting patterns, brightness settings, and color preferences. Home security cameras can use it to store video - recording settings, motion - detection thresholds, and connectivity information.
In conclusion, the AT24C128C - XHM - T from Microchip is a versatile and reliable EEPROM. Its combination of large - capacity storage, high - speed I²C interface, wide voltage and temperature ranges, high reliability, and low power consumption makes it an ideal choice for a wide range of applications across different industries. Whether in consumer - facing products, industrial machinery, automotive systems, or smart home devices, it provides a robust solution for data storage and management.