PT6324-Q VFD Driver / Controller IC gtx usb flash drive integrated circuit components

PT6324-Q VFD Driver/Controller IC gtx usb flash drive

FEATURES

• CMOS technology

• Low power consumption

• Wide operating voltage VDD=2.7V~5.5V

• Key scanning (16 x 2 matrix)

• Display modes:

(24 segments, 8 digits to 24 segments, 16 digits)

• 8-Step dimming circuitry

• Serial interface for Clock, Data Input, Data Output, Strobe pins

• No external resistors needed for driver outputs

DESCRIPTION PT6324 is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/8 to 1/16 duty factor housed in 52-pin plastic QFP/LQFP. 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.

APPLICATIONS

• 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

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.

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