PT6312LQ - VFD Driver/Controller IC　 - Princeton Technology Corp
FEATURES
r CMOS Technology
r Low Power Consumption
r Key Scanning (6 x 4 matrix)
r Multiple Display Modes: (11 segments, 11 digits to 16 segments, 6 digits)
r 8-Step Dimming Circuitry
r LED Ports Provided (4 channels, 20 mA max.)
r 4- Bits General Purpose Input Ports Provided
r Serial Interface for Clock, Data Input, Data Output, Strobe Pins
r No External Resistors Needed for Driver Outputs
r Functional Compatibility with uD16312
r Available in 44-pin, QFP or LQFP Package