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AT45DB081 - 8-Megabit 2.7-volt Only Serial DataFlash

Download the AT45DB081 datasheet PDF. This datasheet also covers the AT4-5DB variant, as both devices belong to the same 8-megabit 2.7-volt only serial dataflash family and are provided as variant models within a single manufacturer datasheet.

General Description

The AT45DB081 is a 2.7-volt only, serial interface Flash memory suitable for in-system reprogramming.

Its 8,650,752 bits of memory are organized as 4096 pages of 264-bytes each.

In addition to the main memory, the AT45DB081 also contains two data buffers of 264-bytes each.

Key Features

  • Single 2.7V - 3.6V Supply.
  • Serial Interface Architecture.
  • Page Program Operation.
  • Single Cycle Reprogram (Erase and Program).
  • 4096 Pages (264 Bytes/Page) Main Memory Two 264-Byte Data Buffers.
  • Allows Receiving of Data while Reprogramming of Non-Volatile Memory Internal Program and Control Timer Fast Page Program Time.
  • 7 ms Typical 120.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AT4-5DB-081.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
AT45DB081D 8-megabit 2.5V or 2.7V DataFlash Adesto
AT45DB081E SPI Serial Flash Memory adesto
AT45DB011D 1-megabit 2.7-volt Minimum DataFlash Adesto
AT45DB021D 2-megabit 2.7V Minimum DataFlash Adesto
AT45DB021E SPI Serial Flash Memory Adesto

Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT45DB081A 8-megabit 2.7-volt Only Serial DataFlash
AT45DB081B 8-megabit 2.5-volt Only or 2.7-volt Only DataFlash
AT45DB081D 8-megabit 2.5-volt or 2.7-volt DataFlash
AT45DB080 8-Megabit 2.7-volt Only Sequential Access Parallel I/O DataFlash
AT45DB011 1-Megabit 2.7-volt Only Serial DataFlash

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.

View original datasheet text
AT45DB081 Features • Single 2.7V - 3.6V Supply • Serial Interface Architecture • Page Program Operation • • • • • • • • • • – Single Cycle Reprogram (Erase and Program) – 4096 Pages (264 Bytes/Page) Main Memory Two 264-Byte Data Buffers – Allows Receiving of Data while Reprogramming of Non-Volatile Memory Internal Program and Control Timer Fast Page Program Time – 7 ms Typical 120 µs Typical Page to Buffer Transfer Time Low Power Dissipation – 4 mA Active Read Current Typical – 2 µA CMOS Standby Current Typical 10 MHz Max Clock Frequency Hardware Data Protection Feature Serial Peripheral Interface (SPI) Compatible – Modes 0 and 3 CMOS and TTL Compatible Inputs and Outputs Commercial and Industrial Temperature Ranges 8-Megabit 2.