This part is a kind of semiconductor called 93C46.

Function of this product has 3-Wire Serial EEPROM.

Manufacturers : FMD

Image and pinout :

Some of the text within the PDF file :

Fremont Micro Devices 3-Wire Serial EEPROM 1K, 2K and 4Kbit (8-bit or 16-bit wide) 93C46/A, 93C56/A, 93C66/A FEATURES  Standard Voltage and Low Voltage Operation:  FT93C46/56/66: VCC = 2.5V to 5.5V  FT93C46A/56A/66A: VCC = 1.8V to 5.5V  User Selectable Internal Organization:  FT93C46: 128 x 8 or 64 x 16  FT93C56: 256 x 8 or 128 x 16  FT93C66: 512 x 8 or 256 x 16  2 MHz Clock Rate (5V) Compatibility.  Industry Standard 3-wire Serial Interface.  Self-Timed ERASE/WRITE Cycles (5ms max including auto-erase).  Automatic ERAL before WRAL.  Sequential READ Function.  High Reliability: Typical 1 Million Erase/Write Cycle Endurance.  100 Years Data Retention.  Industrial Temperature Range (-40o C to 85o C).  Standard 8-pin PDIP/SOIC [ ... ]

93C46 PDF Datasheet Download