Its 5V-only supply (4.5V to 5.5V) means it will not drop into a 3.3V system without external level shifters on the address and data buses.
In a dual-port arbitration scenario, the bus-turnaround overhead and the 25 ns write cycle time (word, page) mean the part can sustain back-to-back accesses at roughly 40 MHz if the arbitration logic is fast enough. For a system architect, this is the speed tier that fits 8- or 16-bit buses running at 20–33 MHz; pushing beyond that requires a faster grade or a synchronous dual-port part.