The AT24C01B is a 1 Kbit Electrically Erasable Programmable Read-Only Memory (EEPROM) from Atmel. It is organized as 128 words of 8 bits each. The device is accessed via a 2-wire serial interface, making it easy to integrate into various systems with minimal pin count. Given its category as END-OF-LIFE, it is no longer recommended for new designs.

Applications

• Consumer Electronics: Storing configuration data in devices like TVs, DVD players, and set-top boxes.
• Industrial Control Systems: Storing calibration data or settings for sensors and actuators.
• Automotive Electronics: Storing parameters in automotive control units.
• Medical Devices: Holding configuration settings in medical instruments.
• Security Systems: Storing access codes or encryption keys.

Features

• 1 Kbit EEPROM: Provides 1024 bits of non-volatile memory.
• 2-Wire Serial Interface: Uses a simple I2C-compatible interface for communication.
• Low Voltage Operation: Operates at a low voltage for power efficiency.
• Self-Timed Write Cycle: Simplifies write operations by handling timing internally.
• Write Protection: Offers write protection to prevent accidental data corruption.
• High Reliability: Designed for reliable data storage and retrieval.

Benefits

• Easy Integration: The 2-wire interface simplifies integration with microcontrollers.
• Non-Volatile Storage: Data is retained even when power is removed.
• Low Power Consumption: Suitable for battery-powered applications.
• Reliable Data Storage: Provides reliable storage for critical configuration data.
• Cost-Effective: Historically a cost-effective solution for small non-volatile memory requirements.

Additional Details

The AT24C01B is an END-OF-LIFE component. While it might still be found in legacy systems, it is not recommended for new designs. If a 1 Kbit EEPROM is required, consider using a newer device from Microchip or other manufacturers. Ensure that the replacement device is pin-compatible and meets the application's voltage and timing requirements. Due to its limited availability, the pricing of this component may be inflated. Consult with multiple suppliers to explore alternatives.