Product_description: ["25LC040 Series 4 Kbit (512 x 8) 5.5V Through Hole SPI Bus Serial EEPROM - PDIP-8 ***** For more information refer to the specification sheet located in the 'Downloads' section below the image *****", '25LC040/P, EEPROM Serial-Microwire 4K-bit 512 x 8 3.3V/5V 8-Pin PDIP Tube (50 items)'] (Page 1)