• 1.8V+0.1V/-0.1V Power Supply. • DLL circuitry for wide output data valid window and future freguency scaling. • I/O Supply Voltage 1.5V+0.1V/-0.1V for 1.5V I/O, 1.8V+0.1V/-0.1V for 1.8V I/O. • Separate independent read and write data ports with con...