IDT 4Mb SDR RAM, 3.3V, 166MHz, 1.2mm Height, TBGA Package
SRAM Chip Sync Single 3.3V 4.5M-Bit 128K x 36 3.5ns 165-Pin CABGA T/R
4Mb SDR RAM, 166MHz, 3.3V, 4.5Mb/s, TBGA, Surface Mount