This part is a kind of semiconductor called 24WC32.

Function of this product has 32K/64K-Bit I2C Serial CMOS E2PROM.

Manufacturers : CatalystSemiconductor

Image and pinout :

Some of the text within the PDF file :

Preliminary CAT24WC32/64 32K/64K-Bit I2C Serial CMOS E2PROM FEATURES s 400 KHz I2C Bus Compatible* s 1.8 to 6 Volt Read and Write Operation s Cascadable for up to Eight Devices s 32-Byte Page Write Buffer s Self-Timed Write Cycle with Auto-Clear s 8-Pin DIP or 8-Pin SOIC s Schmitt Trigger Inputs for Noise Protection s Zero Standby Current s Commercial, Industrial and Automotive Temperature Ranges s Write Protection – Entire Array Protected When WP at VIH s 1,000,000 Program/Erase Cycles s 100 Year Data Retention DESCRIPTION The CAT24WC32/64 is a 32K/64K-bit Serial CMOS E2PROM internally organized as 4096/8192 words of 8 bits each. Catalyst’s advanced CMOS technology substantially reduces device power requirements. The CAT24WC32/64 features a 32-byte page write buffer. The device op [ ... ]

24WC32 PDF Datasheet Download