IDT IDT7204L12SOG, FIFO Memory, Dual 36kbit, 4K x 9 bit, Bi-Directional 12ns, 4.5 → 5.5 V, 28-Pin SOIC. Memory Size 36kbit. Organisation 4K x 9 bit. Data Bus Width 9bit. Bus Directional Bi-Directional. Configuration Dual. See similar products in FIFO Memory Chips. RS Stock No. 714-4918.