Quad Memory Controller IC 0-70°C 5V 150mA 68-Pin QCCJ Package
4MX1, DRAM CONTROLLER, PQCC84, PLASTIC, LCC-84
256KX1, DRAM CONTROLLER, PQCC68, PLASTIC, LCC-68
1MX1, DRAM CONTROLLER, PQCC68, PLASTIC, LCC-68