Princeton Technology Corp. PT6324 is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/8 to 1/16 duty factor housed in 52-pin plastic QFP. 24 segment output lines, 16 grid output 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 PT6324 via a three-line serial interface. • CMOS technology • Wide operating voltage VDD=2.7V~5.5V • Display modes: (24 segments, 8 digits to 24 segments, 16 digits) • Serial interface for Clock, Data Input, Data Output, Strobe pins • No external resistors needed for driver outputs • Microcomputer peripheral devices • Digital Audio/Video system: CD/MD/VCD/DVD players • Electric scale meter • Electronic equipment with instructional display

Princeton Technology Corp. Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw

Notes: 1. The value of Rosc is depend on PT6324 IC chip supply voltage of VDD (Rosc=82KΩ, when VDD=5V; Rosc=100KΩ, when VDD=3.3V). 2. Z1, Z2=Zener diode 5.1V 3. Please adding the current amplifying circuit as following figure when IOHGR>15mA on VFD panel for high brightness issue. P T 6 32 4 *=C.A. Circuit=Current amplifying circuit C.A. Circuit-1 & C.A. Circuit-2 Ex.: VDD Parts recommended: • Q=SAMSUNG-KSR1105 (General fast switching transistor) • D=HITACHI-HSM221C (General fast recovery diode)

Princeton Technology Corp. VFD Driver/Controller IC PT6324 2. The Lead Free mark is put in front of the date code.