MCM511000AP-80 1M x 1 CMOS Dynamic RAM (DRAM) by Motorola. Organisation: 1,048576 x 1-Bit words Speed: 80 nS Package: 18-DIP Download Motorola MCM511000AP-80 .pdf datasheet: Status: NOS (New Old Stock) Individually tested components: YES ( thorough 7-pass test routines) RoHS compliant: no