64Mb Parallel SDRAM RAM, 14b Address Bus, 16b Data Bus, 143MHz
54-Pin Industrial SDRAM with 3.3V Supply, 143MHz Clock, 5.4ns Access Time
Synchronous DRAM, 4MX16, 5.4ns, CMOS, PDSO54,
DRAM 64M (4Mx16) 143MHz SDRAM 3.3v