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AT49F040 Dataheets PDF



Part Number AT49F040
Manufacturers ATMEL Corporation
Logo ATMEL Corporation
Description 5-volt-only in-system Flash Memory
Datasheet AT49F040 DatasheetAT49F040 Datasheet (PDF)

Features • Single-voltage Operation – 5V Read – 5V Reprogramming • Fast Read Access Time – 55 ns • Internal Program Control and Timer • 16-Kbyte Boot Block with Lockout • Fast Erase Cycle Time – 10 seconds • Byte-by-byte Programming – 50 µs/Byte • Hardware Data Protection • DATA Polling for End of Program Detection • Low Power Dissipation – 50 mA Active Current – 100 µA CMOS Standby Current • Typical 10,000 Write Cycles Description The AT49F040 is a 5-volt-only in-system Flash Memory. Its 4 mega.

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Features • Single-voltage Operation – 5V Read – 5V Reprogramming • Fast Read Access Time – 55 ns • Internal Program Control and Timer • 16-Kbyte Boot Block with Lockout • Fast Erase Cycle Time – 10 seconds • Byte-by-byte Programming – 50 µs/Byte • Hardware Data Protection • DATA Polling for End of Program Detection • Low Power Dissipation – 50 mA Active Current – 100 µA CMOS Standby Current • Typical 10,000 Write Cycles Description The AT49F040 is a 5-volt-only in-system 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 dissipation of just 275 mW over the commercial temperature range. When the device is deselected, the CMOS standby current is less than 100 µA. The device contains a user-enabled “boot block” protection feature. The AT49F040 locates the boot block at lowest order addresses (“bottom bo.


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