Ordering number : EN7159 LC75813E, LC75813T CMOS LSI 1/3, 1/4 Duty General-Purpose LCD Driver http://onsemi.
com Overview The LC75813E and LC75813T are 1/3 duty and 1/4 duty general-purpose LCD drivers that can be used for frequency display in electronic tuners under the control of a microcontroller.
The LC75813E and LC75813T can drive an LCD with up to 344 segments directly.
The LC75813E and LC75813T can also control up to 8 generalpurpose output ports.
Since the LC75813E and LC75813T use separate power supply systems for the LCD drive block and the logic block, the LCD driver block power-supply voltage can be set to any voltage in the range 2.
7 to 6.
0 volts, regardless of the logic block...

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