24CD4WP,  24CO4WP  --> Correct Partnumber 24C04WP
 

This specification covers a range of 4 Kbits IC bus EEPROM products, the ST24/25C04 and the ST24/25W04. In the text, products are referred to as ST24/25x04, where "x" is: "C" for Standard version and "W" for hardware Write Control version.