Ordering number : EN4828A LC75852E LC75852W CMOS LSI Asynchronous Silicon Gate 1/2 Duty LCD Driver with On-Chip Key Input Function http://onsemi.
com Overview The LC75852E and LC75852W are 1/2 duty dynamic LCD display drivers.
In addition to being able to directly drive LCD panels with up to 90 segments, they can also control up to four general-purpose output ports.
These products also include a key scan circuit which allows them to accept input from keypads with up to 30 keys.
This allows end product front panel wiring to be simplified.
Features  Up to 30 key inputs (Key scan is only performed when a key is pressed.
)  1/2 duty – 1/2 bias (up to 90 segments)  Sleep mode and the all se...

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