The KM28C64A-20 is a 64K-bit CMOS Electrically Erasable and Programmable Read Only Memory (EEPROM) manufactured by Samsung. It is organized as 8K x 8 bits, providing non-volatile storage that retains data even when power is off. This memory device is designed for applications requiring in-system programmability and low power consumption.

Applications

• Embedded Systems: Commonly used for storing configuration settings, calibration data, and firmware in various embedded systems such as industrial control systems and consumer electronics.
• Smart Cards: Can be found in smart cards for storing user credentials, payment information, and application-specific data.
• Instrumentation: Used in instruments for storing calibration curves, device settings, and measurement results.
• Telecommunications Equipment: Used in telecommunications devices for storing network parameters, configuration settings, and user profiles.
• Automotive Electronics: Deployed in automotive applications for storing engine control parameters, diagnostic information, and vehicle settings.

Features

• Fast Access Time: Features a 200 ns access time, enabling quick data retrieval and program execution.
• Low Power Consumption: Designed for low power operation, making it suitable for battery-powered and energy-sensitive applications.
• Electrically Erasable and Programmable: Allows for easy in-system programming and reprogramming, simplifying firmware updates and data modifications.
• CMOS Technology: Implemented using CMOS technology, ensuring high performance, low power consumption, and excellent noise immunity.
• JEDEC Standard Pinout: Conforms to the JEDEC standard pinout for ease of integration with other memory devices.

Benefits

• Reliable Data Storage: Provides non-volatile storage, ensuring data integrity even in the absence of power.
• Simplified Firmware Updates: Facilitates easy in-system programming and reprogramming, streamlining firmware upgrades and product customization.
• Low Power Consumption: Reduces energy usage, extending battery life in portable devices and decreasing operational costs.
• Fast Access Time: Enables rapid data access and processing, improving system responsiveness and performance.
• Cost-Effective Solution: Offers a cost-efficient memory solution for a wide range of embedded and data storage applications.

Additional Details

The KM28C64A-20 operates from a single 5V power supply and is available in various package options, including DIP (Dual In-line Package) and SOIC (Small Outline Integrated Circuit). It features a self-timed write cycle and offers data protection features to prevent accidental data corruption during write operations. The device also has a high endurance rating, typically 10,000 erase/write cycles per byte.