The AM29F400BB-120ED is a 4 Mbit (512 K x 8 or 256 K x 16) Flash memory device manufactured by AMD. This device operates on a single 5.0 V power supply and features a 120 ns access time. It is designed for use in various embedded systems and applications requiring non-volatile memory.

Applications

• Embedded systems
• Networking equipment
• Industrial control systems
• Consumer electronics
• Data storage

Features

• 4 Mbit Flash memory (512 K x 8 or 256 K x 16 selectable)
• Single 5.0 V power supply operation
• Access time: 120 ns
• Bottom Boot sector architecture
• Sector Erase capability
• Automatic Write Protection feature
• Available in a variety of packages

Benefits

• Non-volatile storage ensures data retention even when power is removed.
• Fast access time facilitates efficient data retrieval and program execution.
• Single power supply simplifies system design and reduces component count.
• Sector erase capability allows for selective erasure and reprogramming of memory blocks.
• The bottom boot sector configuration is suitable for boot code storage.

Additional Details

The AM29F400BB-120ED features a bottom boot sector architecture, making it suitable for storing boot code in embedded systems. It employs a sector erase architecture, allowing individual sectors to be erased and reprogrammed without affecting other sectors. The device incorporates an automatic write protection feature to prevent accidental data corruption. The 120 ns access time ensures quick data retrieval. The operating temperature range typically spans from -40°C to +85°C, making it suitable for use in industrial environments. The part number suffix "120" indicates the access time in nanoseconds. The "BB" indicates Bottom Boot configuration.