EEPROM in EZ-USB Kits

Question: EZ-USB Reference design is using the 24LC00 serial EPROM from Micron. The part number listed on the schematics is 24LC00/01/64. What does /01/64 stand for?

 

Answer:

The 00/01/64 is the part size indication. The LC00 is a 16-byte part, the 01 is a 32 byte part and the 64 is an 8KByte part (64Kbits). The smaller parts are used for VID/PID only enumeration and the larger LC64 parts are used for firmware loads from eeprom (please refer to the Technical Reference Manual section on enumeration).