The X28C256PI-25 is a 256K CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Intersil. This non-volatile memory device offers electrical erasability and reprogrammability, making it ideal for applications requiring frequent updates and reliable data retention. The "-25" designation indicates an access time of 250ns.

Applications

• Embedded systems for storing configuration settings and calibration data.
• Industrial control systems for storing program code and process parameters.
• Telecommunications equipment for storing network configuration data.
• Data logging systems for storing sensor readings and event logs.
• Medical devices for storing patient information and device settings.
• Automotive electronics for storing engine control parameters and diagnostic data.
• Aerospace applications for storing flight control data and system configurations.
• Robotics for storing robot control programs and sensor data.

Features

• Capacity: 256Kbit (32K x 8) memory organization.
• Access Time: 250ns access time.
• Non-Volatile: Retains data even when power is removed.
• Electrically Erasable: Enables in-system reprogramming.
• Low Power Consumption: CMOS technology for efficient power usage.
• Page Write Mode: Facilitates faster write operations.
• Data Protection: Prevents accidental data corruption.
• High Endurance: Supports a large number of erase/write cycles.
• JEDEC Standard Pinout: Ensures compatibility with industry-standard sockets.
• TTL Compatible: Compatible with TTL logic levels.

Benefits

• Flexibility: Allows for easy updates and modifications to stored data without physical device replacement.
• Reliability: Ensures data integrity and retention in critical applications.
• Efficiency: Reduces power consumption, making it suitable for battery-powered devices.
• Cost-Effectiveness: Provides a cost-efficient solution for non-volatile memory needs.
• Ease of Integration: Simplifies system design and integration.
• Data Security: Protects against data loss and corruption.

Additional Details

The X28C256PI-25 operates from a single 5V power supply. It is typically available in a 28-pin PDIP (Plastic Dual In-Line Package). The device includes features like data polling and a toggle bit to indicate write completion. This EEPROM offers a balance of speed, reliability, and ease of use for a wide range of embedded and industrial applications requiring non-volatile memory with in-system programmability.