PT6554 Datasheet - PTC

PT6554 LCD Driver IC

PT6554 is a high performance Liquid Crystal Display (LCD) Driver IC utilizing CMOS Technology specially designed with Key Input Function. It can drive up to a maximum of 164 segments and control up to 4 general purpose output ports. It includes a Key Scan Circuit that can support up to 30 key inputs.

PT6554 Features

* CMOS Technology Up to 164 Segment Drivers (4 Com x 41 Seg) Up to 4 General Purpose Output Ports Key Input Function 1/4 Duty-1/2 Bias and 1/4 Duty-1/3 Bias Drive Techniques Sleep Mode & All Segment OFF Function

PT6554_PTC.pdf