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Description

The AT45DB011B is a 2.7-volt only, serial interface Flash memory ideally suited for a wide variety of digital voice-, image-, program code- and data-storage applications. Its 1,081,344 bits of memory are organized as 512 pages of 264 bytes each. In addition to the main memory, the AT45DB011B also contains one SRAM data buffer of 264 bytes. The buffer allows receiving of data while a page in the main memory is being reprogrammed.

Features

? Single 2.7V - 3.6V Supply

? Serial Peripheral Interface (SPI) Compatible

? 20 MHz Max Clock Frequency

? Page Program Operation

– Single Cycle Reprogram (Erase and Program)

– 512 Pages (264 Bytes/Page) Main Memory

? Supports Page and Block Erase Operations

? One 264-byte SRAM Data Buffer

? Continuous Read Capability through Entire Array

– Ideal for Code Shadowing Applications

? 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

? Hardware Data Protection Feature

? 100 Compatible with AT45DB011

? Commercial and Industrial Temperature Ranges

? Green (Pb/Halide-free/RoHS Compliant) Packaging Options