64Mb SRAM, 3.3V, 166MHz, 14b Address Bus, 16b Data Bus, TSOP
54-Pin Industrial-Grade Synchronous DRAM IC, 3.3V, 166MHz, 4M x 16 Bit
Synchronous DRAM, 4MX16, 5.4ns, CMOS, PDSO54, 0.400 INCH, ROHS COMPLIANT, TSOP2-54
870-42S16400J6TLITR