The AT93C46N is a high-performance, electrically erasable, programmable read-only memory (EEPROM) device from Microchip Technology, a leader in microcontroller and analog semiconductors. This device is part of the serial EEPROM 93CXX family and is designed to provide a flexible, non-volatile data storage solution for applications that require data to be preserved across power cycles.

Key Features

• Memory Size: The AT93C46N offers 1-Kbit (128 x 8 or 64 x 16) of memory, suitable for storing configuration settings, calibration data, or small application parameters.
• Interface: It utilizes a simple, three-wire serial interface that is compatible with the SPI protocol, making it easy to integrate into a variety of microcontroller-based systems.
• Operating Voltage: This device operates within a voltage range of 4.5V to 5.5V, making it ideal for 5V systems and ensuring compatibility with a wide range of electronic components.
• Write Cycle Time: The AT93C46N boasts a fast write cycle time of only 1 ms, enabling rapid updates to stored data.
• Endurance: It offers a high write endurance of 1 million write cycles per byte and a data retention period of 100 years, ensuring the reliability and longevity of the stored information.
• Package Options: Available in various package types including 8-lead PDIP, 8-lead SOP, and 8-lead TSSOP, providing flexibility for different PCB layouts and space requirements.
• Temperature Range: The device is operational across an industrial temperature range of -40°C to +85°C, making it suitable for harsh environments.

Applications

The AT93C46N is versatile and can be used in a wide range of applications, such as:

• Device configuration storage
• Calibration data for sensors and instruments
• Electronic identification tags
• Automotive systems
• Portable consumer electronics
• Medical devices

With its robust feature set and Microchip's reputation for quality, the AT93C46N EEPROM is an excellent choice for designers looking to add reliable data storage to their electronic projects.