DESCRIPTION

PT6332 is a VFD driver IC driven on 1/2 to 1/3 duty factor. It can drive up to 168 segments. 56 segment output lines, 3 grid output lines, 4 general purpose output lines, control circuit, key scan circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip micro controller. Pin configuration and application circuit are optimized for easy PCB layout and cost saving advantages.

FEATURES

• CMOS technology

• Up to 168 segment outputs (3 Grid & 56 Segment drivers) or Up to 114 segment outputs (2 Grid & 57 Segment drivers)

• Up to 25 key inputs

• Up to 4 general purpose outputs

• Sleep and dimmer mode

• One-Pin oscillation circuit

• Hard ware duty cycle selection 1/2 or 1/3

• Available in 80 pins, LQFP

APPLICATION

• Electronic equipment with VFD display