The AT24C128N-SU-2.7 is a 128 Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) from Atmel (now Microchip Technology). It is organized as 16,384 words of 8 bits each. This device is optimized for use in many industrial and commercial applications where non-volatile data storage is essential.

Applications

• Consumer electronics (e.g., set-top boxes, DVD players)
• Industrial control systems (e.g., programmable logic controllers, data loggers)
• Medical devices (e.g., patient monitoring systems, diagnostic equipment)
• Automotive electronics (e.g., engine control units, infotainment systems)
• Smart cards and security systems
• Network devices

Features

• Low-voltage operation: 2.7V to 5.5V
• Two-wire serial interface: I2C compatible
• Schmitt trigger, filtered inputs for noise suppression
• Bi-directional data transfer protocol
• Write protect pin for hardware data protection
• 1 MHz clock frequency
• Self-timed write cycle (5 ms max)
• High reliability: 1,000,000 erase/write cycles
• Data retention: 100 years
• Available in standard packages: SOIC, TSSOP, PDIP

Benefits

• Non-volatile data storage: Data is retained even when power is removed.
• Easy to use: I2C interface simplifies integration into microcontroller-based systems.
• Low power consumption: Suitable for battery-powered applications.
• High endurance: Withstands a large number of write cycles, ensuring long-term reliability.
• Small footprint: Available in compact packages, saving board space.
• Data protection: Hardware write protect feature prevents accidental data corruption.
• Wide operating voltage range: Provides flexibility in system design.

Additional Details

The AT24C128N-SU-2.7 uses a 2-wire serial interface, allowing easy communication with microcontrollers. The device supports both byte write and page write operations. Page write allows up to 64 bytes to be written in a single write cycle, reducing write time and improving system performance. The device also includes a write protect feature that prevents accidental data corruption. The AT24C128N-SU-2.7 is available in various packages, including SOIC and TSSOP. It is designed for surface mount applications. The device conforms to JEDEC standards and is RoHS compliant.