Anachip ATC 2-Wire Serial 4K-Bit (512 x 8) CMOS Electrically Erasable PROM AM24LC04 handbook AM24LC04 is a 2-wire serial 4K-bit CMOS electrically erasable PROM with features including non-volatile data storage, standard voltage and low voltage operation, 16-byte page write mode, self-timed write-cycle, etc.