ATMEL AT49F004/AT49F004T/AT49F4096A/AT49F4096AT handbook

Update: 30 September, 2023

The AT49F004(T) and AT49F4096A(T) are 5-volt, 4-megabit Flash Memories orga- nized as 524,288 words of 8 bits each or 256K words of 16 bits each. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the devices offer access times to 55 ns with power dissipation of just 275 mW. When deselected, the CMOS standby current is less than 300 µA. The device contains a user-enabled “boot block” protection feature. Two versions of the feature are available: the AT49F004/4096A locates the boot block at lowest order addresses (“bottom boot”); the AT49F004T/4096AT locates it at highest order addresses (“top boot”). To allow for simple in-system reprogrammability, the AT49F004(T)/4096A(T) does not require high input voltages for programming. Reading data out of the device is similar to reading from an EPROM; it has standard CE, OE, and WE inputs to avoid bus con- tention. Reprogramming the AT49F004(T)/4096A(T) only requires one pin, CE. For most operations, the other pins are in high-impedance state.

Brand: ATMEL

File format: PDF

Size: 248 KB

MD5 Checksum: 47418662E34D91054A46155EC6F26EE2

Publication date: 08 June, 2012

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PDF Link: ATMEL AT49F004/AT49F004T/AT49F4096A/AT49F4096AT handbook PDF

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