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LC75857E - LCD Display Drivers

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 t.

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Ordering number : ENN*7980 Preliminary SANYO Semiconductors DATA SHEET LC75857E LC75857W Overview CMOS IC 1/3, 1/4 Duty LCD Display Drivers with Key Input Function 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.
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