PT6553 Datasheet | Princeton Technology Corp

DESCRIPTION PT6553 is an LCD Driver IC providing key scan circuitry which can accept up to a maximum of 30 keys, thereby, reducing printed circuit board wiring. It can drive up to 126 segments and is capable of controlling up to 4 general purpose output ports. The reset circuit provides on-chip voltage detection making it possible to prevent incorrect displays. Pin assignments and application circuit are optimized for easy PCB layout and cost saving advantages. FEATURES - Up to 126 Segments Outputs - Up to 4 General Purpose Output Ports - Key Input Function (up to 30 Keys) - 1/3 Duty - 1/2 Bias and 1/3 Duty - 1/3 Bias Drive Techniques - Sleep Mode and all Segments OFF Function - Direct Display of Display Data without using a Decoder - On-Chip Voltage-Detection Type Reset Circuit - RC Oscillation Circuit APPLICATIONS -...