MM54C00 MM74C00 MM54C02 MM74C02 MM54C04 MM74C04 MM.
MM54C200 - Random Access Read/Write Memory
MM54C20 - Quad 2-Input NAND Gate / Quad 2-Input NOR Gate / Hex Inverter / Triple 3-Input NAND Gate / Dual 4-Input NAND Gate