The Intersil X28HC64JI-90Z is a high-performance, low-power 64K CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory). This memory chip offers a fast access time of 90ns, making it suitable for applications requiring rapid data retrieval and storage. It is designed for in-system programmability, which simplifies firmware updates and allows for flexible memory management.

Applications

• Embedded Systems: Used for storing configuration data, boot code, and application firmware in embedded systems.
• Industrial Control: Employed in programmable logic controllers (PLCs) and other industrial control equipment for storing calibration parameters and control algorithms.
• Data Logging: Suitable for data logging applications where non-volatile storage of sensor data and other critical information is required.
• Instrumentation: Used in test and measurement equipment for storing instrument settings and calibration data.
• Medical Devices: Integrated into medical devices for storing patient data and device configuration information.

Features

• 64K (8K x 8) Memory Organization: Provides a storage capacity of 64 kilobits, organized as 8192 bytes.
• Fast Access Time: Offers a 90ns 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: 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 X28HC64JI-90Z operates on a single 5V power supply and is available in a JEDEC standard DIP (Dual In-line 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.