This part is a kind of semiconductor called 93C46.

Function of this product has 1K Microwire Serial EEPROM.

Manufacturers : Microchip Technology

Image and pinout :

Some of the text within the PDF file :

93AA46, 93LC46, 93C46 93AA46A/B, 93LC46A/B, 93C46A/B 1K Microwire® Serial EEPROM Device Selection Table Part Number 93AA46 93LC46 93C46 93AA46A 93AA46B 93LC46A 93LC46B 93C46A 93C46B VCC Range 1.8-5.5 2.5-5.5 4.5-5.5 1.8-5.5 1.8-5-5 2.5-5.5 2.5-5.5 4.5-5.5 4.5-5.5 Org Pin Word Size Temp Ranges Yes 8 or 16-bit I Yes 8 or 16-bit I, E Yes 8 or 16-bit I, E No 8-bit I No 16-bit I No 8-bit I, E No 16-bit I, E No 8-bit I, E No 16-bit I, E Features • Low power CMOS technology • ORG pin for selectable memory configuration • No org pin for dedicated word sizes - 128 x 8-bit organization ‘A’ version devices - 64 x 16-bit organization ‘B’ version devices • Self-timed ERASE and WRITE cycles (including auto-erase) • Automatic ERAL before WRAL • Power on/ [ ... ]

93C46 PDF Datasheet Download