A 120ns 4Mb CMOS EPROM

A 512K×8b EPROM fabricated in 0.8μm, CMOS with a cell size of 9μm
²
and a chip size of 5.9×14.9mm
²
will be reported. The device programs at a rate of 10μs per byte, reads with an access time of 120ns and draws 10mA of active current.