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AT49F040B Datasheet Flash Memory

Manufacturer: Atmel (now Microchip Technology)

Overview: ..

General Description

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 dissipation of just 110 mW over the mercial temperature range.

Key Features

  • Single Supply for Read and Write: 4.5 to 5.5V Fast Read Access Time.
  • 55 ns Internal Program Control and Timer Flexible Sector Architecture.
  • One 16K Bytes Boot Sector with Programming Lockout.
  • Two 8K Bytes Parameter Sectors.
  • Eight Main Memory Sectors (One 32K Bytes, Seven 64K Bytes) Fast Erase Cycle Time.
  • 8 Seconds Byte-by-Byte Programming.
  • 12 µs/Byte Typical Hardware Data Protection DATA Polling or Togg.

AT49F040B Distributor