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AT49F040A - 5-volt only in-system reprogrammable Flash memory

General Description

The AT49F040A is a 5-volt only in-system reprogrammable Flash memory.

Its 4 megabits of memory is organized as 524,288 words by 8 bits.

Key Features

  • Single-voltage Operation.
  • 5V Read.
  • 5V Reprogramming.
  • Fast Read Access Time.
  • 55 ns.
  • Internal Program Control and Timer.
  • Sector Architecture.
  • One 16K Bytes Boot Block with Programming Lockout.
  • Two 8K Bytes Parameter Blocks.
  • Eight Main Memory Blocks (One 32K Bytes, Seven 64K Bytes).
  • Fast Erase Cycle Time.
  • 6 Seconds.
  • Byte-by-Byte Programming.
  • 20 µs/Byte Typical.
  • Har.

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📁 Similar Datasheet

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT49F040T 5-volt-only in-system Flash Memory
AT49F001 1-Megabit 5-volt Only Flash Memory
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AT49F001AN Flash Memory
AT49F001ANT Flash Memory

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Features • Single-voltage Operation – 5V Read – 5V Reprogramming • Fast Read Access Time – 55 ns • Internal Program Control and Timer • Sector Architecture – One 16K Bytes Boot Block with Programming Lockout – Two 8K Bytes Parameter Blocks – Eight Main Memory Blocks (One 32K Bytes, Seven 64K Bytes) • Fast Erase Cycle Time – 6 Seconds • Byte-by-Byte Programming – 20 µs/Byte Typical • Hardware Data Protection • DATA Polling for End of Program Detection • Low Power Dissipation – 20 mA Active Current – 70 µA CMOS Standby Current • Typical 10,000 Write Cycles • Green (Pb/Halide-free) Packaging Option 4-megabit (512K x 8) 5-volt Only Flash Memory AT49F040A 1. Description The AT49F040A is a 5-volt only in-system reprogrammable Flash memory.