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The SED1520 is a dot matrix LCD driver LSI intended for display of characters and graphics. Thebit-addressable display data, which is sent from a microcomputer, is stored in a built-in display dataRAM and generates the LCD drive signal.The SED1520 incorporates innovaTIve circuit design strategies to assure very low current dissipaTIonand a wide range of operaTIng voltages. With these features, the SED1520 permits the user toimplement high-performance handy systems operaTIng from a miniature battery.In order for the user to adaptively configure his system, the SED1520 family offers two applicationforms. One form allows an LCD display of 12 characters ´2 lines with an indicator with a singlechip. The other is dedicated to driving a total of 80 segments, enabling a medium-size display tobe achieved by using a minimum number of drivers.
