The Intersil X28VC256FI-70 is a high-performance, 256K CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory). This memory chip is designed for applications requiring non-volatile data storage and in-system programmability. With a fast access time of 70ns, it is suitable for high-speed data retrieval and storage in various embedded systems.

Applications

• Embedded Systems: Used for storing firmware, configuration data, and calibration parameters in embedded control systems.
• Industrial Automation: Employed in programmable logic controllers (PLCs) and other industrial automation equipment for storing control algorithms and system settings.
• Telecommunications: Used in telecommunications equipment for storing network configuration data and device parameters.
• Data Acquisition Systems: Suitable for data acquisition systems requiring non-volatile storage of sensor data and measurement parameters.
• Automotive Electronics: Integrated into automotive electronic control units (ECUs) for storing engine control parameters and diagnostic information.

Features

• 256K (32K x 8) Memory Organization: Offers a storage capacity of 256 kilobits, organized as 32768 bytes.
• Fast Access Time: Provides a 70ns access time, enabling quick read operations.
• Low Power CMOS Technology: Minimizes power consumption, making it suitable for battery-powered applications.
• In-System Programmable: Allows for easy reprogramming and firmware updates without removing the chip from the system.
• Self-Timed Write Cycle: Simplifies the write operation and reduces the need for external timing control.
• Automatic Page Write Operation: Supports page write operations, allowing for faster data writing.
• Data Protection Features: Includes data protection features to prevent accidental data corruption.
• JEDEC Standard Pinout: Compatible with industry-standard EEPROM pinouts for easy integration.

Benefits

• High Performance: Fast access time ensures quick data retrieval and storage, improving system performance.
• Low Power Consumption: Reduces power consumption, extending battery life in portable devices.
• Easy Programming: In-system programmability simplifies firmware updates and reduces development time.
• Reliable Data Storage: Non-volatile storage ensures data retention even when power is removed.
• Flexible Memory Management: Allows for dynamic memory allocation and efficient data storage.
• Cost-Effective: Provides a cost-effective solution for non-volatile memory storage.

Additional Details

The X28VC256FI-70 operates on a single 5V power supply and is available in a JEDEC standard package. It supports a wide temperature range, making it suitable for various operating environments. The device incorporates data protection features, such as write protection and data polling, to ensure data integrity. Its in-system programmability feature significantly simplifies the design and maintenance of embedded systems, reducing the need for external programmers and specialized equipment. The fast access time and low power consumption make it an excellent choice for applications requiring high performance and energy efficiency. The EEPROM is designed to withstand a high number of write cycles, ensuring long-term reliability and data retention.