| Memory Size Function Data Rate Access Time Voltage - Supply Current - Supply Max Bus Directional Expansion Type Programmable Flags Support Retransmit Capability FWFT Support Operating Temperature Mounting Type | 4.5K (256 x 18) Asynchronous 25MHz 20ns 4.5 V ~ 5.5 V 400µA Uni-Directional Width Yes No No 0°C ~ 70°C Surface Mount 56-BSSOP (0.295, 7.50mm Width) |