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LC75857W - Duty LCD Driver

This page provides the datasheet information for the LC75857W, a member of the LC75857E Duty LCD Driver family.

Datasheet Summary

Features

  • Key input function for up to 30 keys (A key scan is performed only when a key is pressed. ).
  • 1/3 duty and 1/4 duty drive schemes can be controlled from serial data.
  • 1/2 bias and 1/3 bias drive schemes can be controlled from serial data.
  • Capable of driving up to 126 segments using 1/3 duty and up to 164 segments using 1/4 duty.
  • Sleep mode and all segments off functions that are controlled from serial data.
  • Switching between key scan output and segment output can.

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Datasheet preview – LC75857W

Datasheet Details

Part number LC75857W
Manufacturer ON Semiconductor
File Size 432.17 KB
Description Duty LCD Driver
Datasheet download datasheet LC75857W Datasheet
Additional preview pages of the LC75857W datasheet.

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Full PDF Text Transcription

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Ordering number : E*N7980 LC75857E LC75857W Advance Information CMOS LSI 1/3, 1/4 Duty LCD Driver with Key Input Function http://onsemi.com Overview The LC75857E and LC75857W are 1/3 duty and 1/4 duty LCD display drivers that can directly drive up to 164 segments and can control up to four general-purpose output ports. These products also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring. Features  Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)  1/3 duty and 1/4 duty drive schemes can be controlled from serial data.  1/2 bias and 1/3 bias drive schemes can be controlled from serial data.  Capable of driving up to 126 segments using 1/3 duty and up to 164 segments using 1/4 duty.
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