Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085

1

Tel: 408.523.8200 • Fax: 408.733.1287 • sales@purdyelectronics.com • www.purdyelectronics.com

7/20/07

AND1742MST2

240 x 128 Dots

Intelligent Graphics Display

The AND1742MST2 devices are compact, full dot matrix,

with “white page” appearance, LCD modules that have an on-

board LCD controller (RA8835) and display memory (RAM).

The AND1742MST2 can display TEXT information,

numerals, letters and symbols, as well as GRAPHIC

patterns. These devices are suitable for medical and

measurement equipment, point-of-sale terminals, portable

equipment, and marine instrumentation.

Features

• FSTN positive black & white LCD type

• Built-in CCFL backlight

• White backlight color, black frame

• 240 x 128 dot graphic display

• Excellent readability and high-contrast ratio

• Built-in LCD controller (RA8835/RAiO)

• Wide operating temperature range (0° to 50°C)

• 12 O’clock viewing direction

• ISO9001 certified

Dot Matrix Dimensions

Mechanical Characteristics

Item

Specification

Unit

Outline

Dimensions

180.0 (W) x 110.0 (H) x 15.0 Max (D)

mm

Viewing Area

132.0 (W) x 76.0 (H)

mm

Dot Size

0.47 (W) x 0.47 (H)

mm

Dot Pitch

0.51 (W) x 0.51 (H)

mm

Resolution

240 (W) x 128 (H) Dots Matrix

–

Duty Ratio

1/128 Duty

–

Controller

RA8835 / RAiO

–

DC/DC Converter

Without

–

119.7

0.51

0.47

240 x 128 pixels

Absolute Maximum Ratings

Item

Absolute Maximum

Unit

Symbol

Min

Max

Power Supply for Logic

-0.3

7.0

V

Power Supply for LCD

0

24.0

V

Input Voltage

V1

-0.3

V

CCFL Driving Voltage

0

500

CCFL Input Current

–

7.0

mA

Electrical Characteristics (TA = 25°C)

Item

Symbol

Cond.

Min.

Typ.

Max.

Unit

Power

Supply for

Logic

–

4.5

5.0

5.5

V

Input

Voltage

L Level

0

–

0.6

V

H Level

2.2

–

Bias =

1/12

Ta = 0ºC

–

–

–

Ta =

25ºC

16.7

17.8

18.5

Ta =

50ºC

–––

Power

Supply

Current for

LCM

5.0V

17.8V

–

15.6

18

mA

–

2.4

–

CCFL

Starting

Voltage

–

–

750

–

Vrms

CCFL Driving

Voltage

–

–

360

–

Vrms

Product specifications contained herein may be changed without prior notice.

It is therefore advisable to contact Purdy Electronics before proceeding with the design of equipment incorporating this product.

• RoHS Compliant