[ABOV SEMICONDUCTOR]

DESCRIPTION
MC3401A/3411A is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/4 to 1/12 duty factor. Sixteen segment output lines, 4 grid output lines, 8 segment/grid output drive lines, one display memory, control circuit, key scan circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip micro computer.
Serial data is fed to MC3401A/3411A via a three-line serial interface.
MC3401A is housed in a 44-pin LQFP
MC3411A is housed in a 48-pin QFN

FEATURES
• CMOS Technology
• Low Power Consumption
• Key Scanning (16 x 2 matrix)
• Multiple Display Modes: (16 segments, 12 digits to 24 segments, 4 digits)
• 8-Step Dimming Circuitry
• LED Ports Provide (4 channels, 20mA max.)
• Serial Interface for Clock, Data Input, Data Output, Strobe Pins
• No External Resistors Needed for Driver Outputs
• Available in 44-pin LQFP(MC3401A), 48-pin QFN(MC3411A)

APPLICATION
• Microcomputer Peripheral Devices
• Digital Audio/Video system : CD/MD/VCD/DVD players
• Car audio
• VCR
• Electric scale meter
• P.O.S.
• Electronic equipment with instructional display