The HM27C256AFP-12T is a high-speed, 256K-bit EPROM (Erasable Programmable Read-Only Memory) manufactured by Hitachi. It is designed for applications requiring non-volatile storage of data or program code, such as embedded systems, firmware storage, and programmable logic devices. The HM27C256AFP-12T is known for its fast access times and reliable data retention.

Applications

• Embedded Systems
• Firmware Storage
• Programmable Logic Devices (PLDs)
• Microcontroller Programs
• Industrial Control Systems

Features

• 256K-bit Capacity: Offers a storage capacity of 256 kilobits.
• Fast Access Time: Features a rapid access time of 120ns, enabling quick data retrieval.
• Non-Volatile Memory: Retains data even when power is removed.
• UV Erasable: Can be erased using ultraviolet light for reprogramming.
• Low Power Consumption: Designed for efficient power usage in various applications.

Benefits

• Reliable Data Storage: Ensures the integrity and longevity of stored data.
• Quick Data Retrieval: Fast access times enhance system performance.
• Flexible Reprogramming: UV erasability allows for easy updates and modifications.
• Energy Efficiency: Low power consumption extends battery life in portable devices.
• Versatile Applications: Suitable for a wide range of embedded and industrial applications.

Additional Details

The HM27C256AFP-12T typically comes in a DIP (Dual In-line Package) for easy integration into through-hole PCBs. Programming requires a dedicated EPROM programmer and adherence to the manufacturer's specifications for programming voltage and timing. The device is sensitive to electrostatic discharge (ESD) and should be handled with appropriate precautions. The datasheet provides detailed information on programming algorithms, timing diagrams, and electrical characteristics.