TMM23256P-5879

262,144-Bit (32K x 8) Mask-Programmable Read-Only Memory (ROM), custom factory-programmed firmware allocation reference 5879, 28-pin Plastic DIP package. 100% Exact Replacements: Intel 27256 (requires matching custom code 5879 pre-programmed onto EPROM hardware), AMD AM27256-5879, Hitachi HN62325P-5879.