This part is a kind of semiconductor called AT25010-10SI-2.7.

Function of this product has SPI Serial EEPROMs.

Manufacturers : ATMEL Corporation

Image and pinout :

Some of the text within the PDF file :

Features • Serial Peripheral Interface (SPI) Compatible • Supports SPI Modes 0(0,0) and 3(1,1) • Low-Voltage and Standard-Voltage Operation – 5.0 (VCC = 4.5V to 5.5V) – 2.7 (VCC = 2.7V to 5.5V) – 1.8 (VCC = 1.8V to 3.6V) 2.1 MHz Clock Rate (5V) Compatibility 8-Byte Page Mode Block Write Protection – Protect 1/4, 1/2, or Entire Array Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and Software Data Protection Self-Timed Write Cycle (10 ms Max) High Reliability – Endurance: 1 Million Write Cycles – Data Retention: 100 Years – ESD Protection: >4000V Automotive Grade and Extended Temperature Devices Available 8-Pin PDIP and JEDEC SOIC Packages • • • • • • SPI Serial EEPROMs 1K (128 x 8) 2K (256 x 8) 4K (512 x 8) • • Description Th [ ... ]

AT25010-10SI-2.7 PDF Datasheet Download