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LC75814V

1/4-Duty General-Purpose LCD Driver

ON Semiconductor 

LC75814V

1/4-Duty General-Purpose

LCD Driver

Overview

The LC75814V is a 1/4 duty general-purpose LCD driver that can be used for

frequency display in electronic tuners under the control of a microcontroller.

The LC75814V can drive an LCD with up to 64 segments directly. The

LC75814V can also control up to 4 general-purpose output ports. Since the

LC75814V uses 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 power-

supply voltage.

Features

 Support for 1/4 duty 1/2 bias or 1/4 duty 1/3 bias drive of up to 64 segments

under serial data control.

 Serial data input supports CCB* format communication with the system

controller.

 Serial data control of the power-saving mode based backup function and all

the segments forced off function

 Serial data control of switching between the segment output port and the

general-purpose output port functions

 High generality, since display data is displayed directly without decoder

intervention.

 Independent VLCD for the LCD driver block (VLCD can be set to any

voltage in the range 2.7 to 6.0 volts, regardless of the logic block power-

supply voltage.)

 The INH pin can force the display to the off state.

 RC oscillator circuit

www.onsemi.com

SSOP30 (275mil)

* Computer Control Bus (CCB) is an ON Semiconductor’s original bus format and

the bus addresses are controlled by ON Semiconductor.

ORDERING INFORMATION

See detailed ordering and shipping information on page 15 of this data sheet.

© Semiconductor Components Industries, LLC, 2017

1

June 2017 - Rev. 1

Publication Order Number :

LC75814V/D

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