IDT 256Kb SDR RAM, 33.3MHz, 5V, 5.5V, 0°C to 70°C, TQFP
SRAM Chip Sync Dual 5V 256K-Bit 16K x 16 25ns/12ns 100-Pin TQFP T/R
IDT 256Kb Parallel RAM, 33.3MHz, 5V, 5.5V, -40°C to 85°C, TQFP
IDT 256Kb 28b 33.3MHz Synchronous SRAM, TQFP Package, 0°C to 70°C