The MX27C4100/4096 is a 5V only, 4M-bit, One Time Programmable Read Only Memory. It is organized as 256K words by 16 bits per word(MX27C4096), 512K x 8 or 256K x 16(MX27C4100), operates from a single + 5 volt supply, has a static standby mode, and features fast single address location programming. All programming signals are TTL levels, requiring a single pulse. For programming outside from the system, existing EPROM