SRAM Chip Sync Single 3.3V 4.5M-Bit 256K x 18 4.2ns 165-Pin CABGA T/R
IDT 71V3558SA133BQG8 4.5Mb RAM, 133MHz, 18b, Parallel Interface, TBGA Package
SRAM Chip Sync Single 3.3V 4.5M-Bit 128K x 36 4.2ns 165-Pin CABGA T/R
4Mb SDR RAM, 18b Address Bus Width, 133MHz, TBGA Package