The LD2764-25 is a 64K (8192 x 8) EPROM (Erasable Programmable Read-Only Memory) manufactured by Intel. It is a non-volatile memory device that can be electrically programmed and erased using ultraviolet light.

Applications:

• Embedded Systems: Storing firmware and program code in embedded systems.
• Industrial Control Systems: Storing control parameters and calibration data in industrial equipment.
• Early Personal Computers: Used in BIOS ROMs and other firmware storage.
• Arcade Games: Storing game code and graphics in arcade machines.
• Musical Instruments: Storing sound samples and program code in synthesizers and other musical instruments.

Features:

• 64Kbit Capacity: Stores 65,536 bits (8192 bytes) of data.
• Non-Volatile Memory: Retains data even when power is removed.
• Erasable and Programmable: Can be erased using ultraviolet light and reprogrammed electrically.
• Fast Access Time: Offers a fast access time for quick data retrieval.
• TTL Compatible: Compatible with TTL logic levels.

Benefits:

• Permanent Data Storage: Provides reliable storage for critical data and program code.
• Easy Reprogramming: Can be easily reprogrammed when updates or changes are needed.
• Fast Data Retrieval: Fast access time ensures quick retrieval of stored data.
• Wide Temperature Range: Operates over a wide temperature range, making it suitable for industrial applications.

Additional Details:

The LD2764-25 requires a specific programming voltage for writing data. Erasing the EPROM requires exposing it to ultraviolet light for a specified duration. Datasheets provide detailed specifications for programming voltages, erasing times, and access times. Proper handling is essential to avoid damaging the device.