|s_axi_aclk||The AXI clock is used for table management. The AXI management interface has a completely asynchronous relationship with the lookup interface.|
|key_clk||AXI4-Stream clock for Lookup Request/Response interfaces.|
|ram_clk||The ram_clk is optional. It provides an option to clock the
internal RAM and match logic on a separate high frequency clock. In most cases, this
saves logic and memory resources.