The LH28F640BFHE-PBTL80 is a 64-Mbit (8M x 8 or 4M x 16) Flash Memory device manufactured by Sharp Microelectronics. Flash memory is a non-volatile storage technology that can be electrically erased and reprogrammed. It's commonly used to store firmware, boot code, and data in various electronic devices. This particular flash memory is likely designed for embedded systems and other applications requiring reliable and fast storage.

Applications

• Embedded Systems: Storing firmware and data in microcontrollers and microprocessors.
• Networking Equipment: Storing boot code and configuration data in routers and switches.
• Industrial Control Systems: Storing program code and data in programmable logic controllers (PLCs).
• Automotive Electronics: Storing firmware and data in engine control units (ECUs) and other automotive systems.
• Consumer Electronics: Storing firmware and data in digital cameras, MP3 players, and other portable devices.

Features

• Memory Size: 64 Mbit (8M x 8 or 4M x 16 configurable).
• Supply Voltage: Operates at a specific supply voltage (e.g., 3.0V or 5.0V).
• Access Time: Specified access time for read operations.
• Erase/Program Cycles: Limited number of erase/program cycles (endurance).
• Sector Erase: Allows for erasing specific sectors of the memory.
• Page Programming: Enables fast programming of data in pages.
• Package Type: Specific package type (e.g., TSOP, PLCC).

Benefits

• Non-Volatile Storage: Retains data even when power is removed.
• Electrically Erasable and Programmable: Allows for easy updating of firmware and data.
• Fast Access Time: Enables quick retrieval of data.
• Compact Size: Suitable for space-constrained applications.
• Reliable Performance: Offers reliable data storage and retrieval.

Additional Details

The LH28F640BFHE-PBTL80's specific features, such as its operating voltage, access time, erase/program cycles, and package type, can be found in the product datasheet. The PBTL80 suffix likely refers to a specific package type and operating temperature range. The organization (8M x 8 or 4M x 16) determines the width of the data bus and the number of address lines required.

Flash memory devices are essential components in modern electronic systems, providing reliable and non-volatile storage for various types of data. The LH28F640BFHE-PBTL80 from Sharp is designed to meet the demands of embedded systems and other applications requiring high-performance flash memory.