PT6554LQ Princeton Technology Corp., PT6554LQ Datasheet

PT6554LQ

Manufacturer Part Number

PT6554LQ

Description

Manufacturer

Princeton Technology Corp.

Datasheets

1.PT6554LQ.pdf (30 pages)

2.PT6554LQ.pdf (6 pages)

3.PT6554LQ.pdf (6 pages)

Specifications of PT6554LQ

Case

TQFP-64

Date_code

02+

Current page: 1 of 6
Download datasheet (120Kb)

DESCRIPTION

PT6554 is a high performance Liquid Crystal Display (LCD) Driver IC utilizing CMOS Technology

specially designed with Key Input Function. It can drive up to a maximum of 164 segments and control up

to 4 general purpose output ports. It includes a Key Scan Circuit that can support up to 30 key inputs and

provides On-Chip Voltage Detection Type Reset Circuit which prevents incorrect display. Display Data can

be directly displayed without using any decoder. PT6554 also supports both 1/4 duty-1/2 bias and 1/4

duty-1/3 bias drive techniques. Pin assignments and application circuit are optimized for easy PCB Layout

and cost saving advantages.

FEATURES

•

APPLICATION

•

PT6554 v1

LCD Driver IC

CMOS Technology

Up to 164 Segment Drivers (4 Com x 41 Seg)

Up to 4 General Purpose Output Ports

Key Input Function

1/4 Duty-1/2 Bias and 1/4 Duty-1/3 Bias Drive Techniques

Sleep Mode & All Segment OFF Function

On-Chip Voltage Detection Type Reset Circuit

RC Oscillation Circuit

Available in 64 pins, QFP or LQFP Package

Electronic Equipment with LCD Display

- 1-

URL: http://www.princeton.com.tw

Tel：886-2-29162151

Fax：886-2-29174598

PT6554

Oct. 2002

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