MC68705P3CS 1MHz 8-bit EPROM microcomputer by Motorola. Package: 28 pin CERDIP with window CS varient with an extended heat range of -40 to +85 degrees C. Download Motorola MC68705P3CS datasheet: Status: NOS (New Old Stock) RoHS compliant: no ** Note Motorola "M" logo just visible in to right hand corner of Die ***