IC SRAM 4.5MBIT 133MHZ 256CABGA
18-Bit Parallel RAM, 9Mb, 133MHz, LBGA, Surface Mount
SRAM 256K X 18, 4M
SRAM 512K X 18, 9M
SRAM Chip Sync Dual 3.3V 4M-Bit 256K x 18 15ns/4.2ns 256-Pin CABGA T/R