This part is a kind of semiconductor called 45DB011.

Function of this product has AT45DB011.

Manufacturers : ATMEL Corporation

Image and pinout :

Some of the text within the PDF file :

Features • Single 2.7V - 3.6V Supply • Serial Interface Architecture • Page Program Operation • • • • • • • • • • • – Single Cycle Reprogram (Erase and Program) – 512 Pages (264 Bytes/Page) Main Memory Optional Page and Block Erase Operations One 264-Byte SRAM Data Buffer 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 13 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 1-Megabit 2.7-volt Only Serial DataFlash® AT45DB011 Preliminary [ ... ]

45DB011 PDF Datasheet Download