AT49F040B memory equivalent, flash memory.
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Single Supply for Read and Write: 4.5 to 5.5V Fast Read Access Time
– 55 ns Internal Program Control and Timer Flexible Sector Arc.
The AT49F040B is a 5-volt-only in-system reprogrammable Flash Memory. Its 4 megabits of memory is organized as 524,288 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 55 ns with power.
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