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LC75857W - Duty LCD Driver

Download the LC75857W datasheet PDF. This datasheet also covers the LC75857E variant, as both devices belong to the same duty lcd driver family and are provided as variant models within a single manufacturer datasheet.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LC75857E-ONSemiconductor.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number LC75857W
Manufacturer onsemi
File Size 432.17 KB
Description Duty LCD Driver
Datasheet download datasheet LC75857W Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.