UM23256

eUMC UM23256/ UM23256A Features EPROM pin compatible 32,768 x 8 bit organization Single +5 volt supply Access time-200/300/450ns (max) Totally static operation Completely TTL compatible 28 Pin JEDEC approved pinout UM23256A- automatic power down (CE) output enable function (OE) UM23256 non power down version two programmable chip selects (CS) Three state outputs for wire-OR expansion EPROMs accepted as program data input General Description The UM23256 and UM23256A high performance Read Only Memories are organized 32,768 words by 8 bits with access times from 200 ns to 450 ns. The ROMs are designed to be compatible with all microprocessor and similar applications where high performance, large bit storage and simple interfacing are important design considerations. Both ROMs conform to the JEDEC approved pinout for 28 pin 256K ROMs. The UM23256 offers the simplest operation (no power down.) Its two programmable chip selects allow up to four...