Description: The AM29F400AB-90S SOP44 is a 4-megabit (512K x 8-bit) CMOS 5.0 Volt-only, Boot Sector Flash memory device. It is organized as 524,288 words by 8 bits. Features: Single power supply operation: 5.0V ± 10% Low power consumption: – Active current: 40mA (typical) – Standby current: 10μA (typical) Fast access time: 90ns Endurance: 10,000 write/erase cycles Data retention: 20 years High speed programming: – Byte/word/block programming – Typical programming time: Byte/word: 20μs/word Block: 1.6ms/block – Typical erase time: 3.5ms/block Security features: – Hardware write protection – Software data protection – Sector protection – Chip protection – Program/erase suspend – Program/erase verify – Program/erase lock – Program/erase unlock Applications: The AM29F400AB-90S SOP44 is suitable for a wide range of applications such as automotive, consumer, industrial, and medical. It is ideal for applications requiring a large amount of non-volatile memory with fast a