IDT 256Kb RAM, 28.5MHz Parallel Interface, 5V, Surface Mount TQFP
IDT 15-Bit Dual UART Bridge, 256Kb Density, 5V, TQFP Package
SRAM Chip Sync Dual 5V 256K-Bit 32K x 8 30ns/15ns 100-Pin TQFP T/R
