The AT93C46W-10SC-1.8 is a 1-Kbit Microwire Serial EEPROM manufactured by Microchip Technology (formerly Atmel). It's organized as 64 words of 16 bits each, providing a reliable solution for non-volatile data storage in a compact form factor. This particular model is designed for low-voltage applications and operates at 1.8V.

Applications

• Small Embedded Systems: Often used in applications where a small amount of non-volatile memory is needed, such as storing configuration settings.
• Identification and Security: Used in security devices and modules for storing identification codes and access control parameters.
• Consumer Electronics: Found in consumer devices like remote controls, audio equipment, and small appliances for storing user preferences and device settings.
• Automotive Electronics: Employed in automotive applications for storing calibration data, sensor information, and system configuration.
• Industrial Control: Utilized in industrial equipment for storing operating parameters, calibration data, and equipment settings.

Features

• Microwire Serial Interface: Uses a simple 3-wire serial interface for communication with microcontrollers, minimizing pin count and simplifying hardware design.
• Low-Voltage Operation: Operates at 1.8V, making it suitable for battery-powered and low-power applications.
• Self-Timed Write Cycle: Includes an internal self-timed write cycle, simplifying the writing process and reducing the need for external timing control.
• Write Protect Feature: Provides a hardware write protect pin to prevent accidental data modification.
• High Reliability: Designed for high reliability with a data retention of 100 years and an endurance of 1 million write cycles.

Benefits

• Non-Volatile Storage: Provides reliable non-volatile data storage, ensuring data retention even when power is removed.
• Easy Integration: Simplifies system design with its simple Microwire interface and compact package.
• Data Protection: Prevents accidental data loss or corruption with the hardware write protect feature.
• Low Power Consumption: Minimizes power consumption, extending battery life in portable devices.
• Long-Term Data Storage: Ensures data is preserved over long periods of time, even in harsh environments.

Technical Specifications

The AT93C46W-10SC-1.8 EEPROM has a typical standby current of less than 1 μA and a write cycle time of 5 ms. The operating temperature range is -40°C to +85°C. It is available in a variety of packages, including SOIC and TSSOP.