PD4437 OSRAM Opto Semiconductors Inc, PD4437 Datasheet

PD4437

Manufacturer Part Number

PD4437

Description

DISPLAY PROGR 4CHAR 5X7 BRT GRN

Manufacturer

OSRAM Opto Semiconductors Inc

Series

Alphanumeric Programmable Display™r

Datasheet

1.PD3535.pdf (14 pages)

Specifications of PD4437

Millicandela Rating

90µcd

Size / Dimension

1.50" L x 0.82" W x 0.29" H (38.10mm x 20.83mm x 7.24mm)

Color

Green

Configuration

5 x 7

Number Of Digits

Character Size

0.45 in

Illumination Color

Bright Green

Wavelength

565 nm

Maximum Operating Temperature

+ 70 C

Minimum Operating Temperature

- 40 C

Luminous Intensity

90 ucd

Viewing Area (w X H)

11.43 mm x 6.86 mm

Display Type

5 x 7 Dot Matrix

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Voltage - Forward (vf) Typ

Internal Connection

Lead Free Status / Rohs Status

Details

Other names

475-1424
PD4437
Q68000A8369

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4-Character 5 x 7 Dot Matrix

Alphanumeric Programmable Display

Lead (Pb) Free Product - RoHS Compliant

PD243X, PD353X, PD443X

PD243X

DESCRIPTION

These Programmable Displays are four digit display sys-

tem modules. The characters are

5.08 mm by 3.56 mm (0.20" by 0.14") (PD243X),

6.86 mm by 5.08 mm (0.27" by 0.20") (PD353X), and

11.43 mm by 6.86 mm (0.45" by 0.27") (PD443X)

5 x 7 dot matrix arrays constructed with the latest solid

state technology in light emitting diodes. Driving and

controlling the LED arrays is a silicon gate CMOS inte-

grated circuit. This integrated circuit provides all neces-

sary LED drivers and complete multiplexing control

logic.

Additionally, the IC has the necessary ROM to decode

128 ASCII alphanumeric characters and enough RAM to

store the display’s complete four digit ASCII message

with special attributes. These attributes, all software pro-

grammable at the user’s discretion, include a lamp test,

brightness control, displaying cursors, alternating cursors

and characters, and flashing cursors or characters.

The CMOS IC also incorporates special interface control

circuitry to allow the user to control the module as a fully

supported microprocessor peripheral. The module, under

internal or external clock control, has asynchronous

read, write, and memory clear over an eight bit parallel,

TTL compatible, bi-directional data bus. Each module is

fully encapsulated within a package

25.4 x 17.8 x 5.08 mm (1.0" x 0.7" x 0.2") (PD253X),

35.6 x 18.3 x 7.24 mm (1.4" x 0.72" x 0.285") (PD353X),

and

38.1 x 20.8 x 7.24 mm (1.5" x 0.82" x 0.285") (PD443X).

The standard 20 pin DIP construction with two rows

spaced at 15.2 mm (0.6") on 2.54 mm (0.1") centers is

wave solderable.

See the end of this data sheet or refer to Appnotes 18, 19,

22, and 23 for further details on handling and assembling

OSRAM Programmable Displays.

2006-01-23

PD353X

with Built-in CMOS Control Functions

FEATURES

•

Four Dot Matrix Characters in High Efficiency Red,

Red, and Bright Green

- PD2435/6/7, 5.08 mm (0.200") High

- PD3535/6/7, 6.86 mm (0.270") High

- PD4435/6/7, 11.43 mm (0.45") High

Built-in Memory, Decoders, Multiplexer and Drivers

Wide Viewing Angle, X Axis ± 55°, Y Axis ± 65°

Categorized for Luminous Intensity

128 Character ASCII Format (Upper and Lower Case

Characters)

8 Bit Bidirectional Data BUS

READ/WRITE Capability

Dual In-Line Package Configuration, 15.2 mm (0.600")

Wide,

2.54 mm (0.100") Pin Centers

End-Stackable Package

Internal or External Clock

Built-in Character Generator ROM

TTL Compatible

Easily Cascaded for Multidisplay Operation

Less CPU Time Required

Software Controlled Features:

- Programmable Highlight Attribute (Blinking,

Non-Blinking)

- Asynchronous Memory Clear Function

- Lamp Test

- Display Blank Function

- Single or Multiple Character Blinking Function

- Programmable Intensity (Three Brightness Levels)

Extended Operating Temperature Range:

PD243X, PD353X: –40°C to +85°C

PD443X: –40°C to +70°C

PD443X

Related parts for PD4437

PD4437 Summary of contents

Page 1

Dot Matrix Alphanumeric Programmable Display Lead (Pb) Free Product - RoHS Compliant PD243X, PD353X, PD443X PD243X DESCRIPTION These Programmable Displays are four digit display sys- tem modules. The characters are 5. 3.56 mm (0.20" ...

Page 2

... Ordering Information Type PD2435 PD2436 PD2437 PD3535 PD3536 PD3537 PD4435 PD4436 PD4437 2006-01-23 PD243X, PD353X, PD443X Color of Emission Character Height mm (inch) high efficiency red red bright green high efficiency red red bright green high efficiency red red bright green 2 Ordering Code Q68000A3561 5 ...

Page 3

Maximum Ratings Parameter Operating temperature range Storage temperature range Viewing angle (off normal axis DC Supply Voltage Input Voltage Relative to GND (all inputs) Solder temperature 1.59 mm (0.063“) below seating plane, t < 5.0 s Characteristics ...

Page 4

PD243X 6.35 (0.250) 3.18 (0.125) Pin 1 Location PD353X 0.46 (0.018) x 0.31 (0.012) typ. 6.35 (0.250) 4.45 (0.175) 2006-01-23 Pin 1 Indicator EIA Date Code Luminous PD243X Z Intensity OSRAM YYWW V Code 2.54 (0.100) typ. 0.46 (0.018) x ...

Page 5

PD443X 7.62 (0.300) 1.27 (0.050) Top View 2006-01-23 Dimensions in mm (inch) Pin 1 Indicator EIA Date Code Part No. Luminous Intensity Code PD443X Z OSRAM YYWW V 2.54 (0.100) typ. 0.46 (0.018) x 0.31 (0.012) typ. ±0.05 (0.002) 38.1 ...

Page 6

Timing Characteristics—Data “Write” Cycle CE0, CE1 T CES A0 D0– ACC Notes: 1. Wait 1.0 µs between any Reads or Writes after writing a Control Word with a Clear (D7=1). ...

Page 7

DC Characteristics at 25°C Parameter (Blank LEDs/unit (100% Bright) CC PD243X PD353X PD443X (1) I (except Data I/O ...

Page 8

Functional Description The block diagram includes 5 major blocks and internal registers (indicated by dotted lines). Display Memory consists bit RAM block. Each of the four 8-bit words holds 7-bits of ASCII data (bits D0–D6) ...

Page 9

There are five registers within the display. Four of these registers are used to hold the ASCII/attribute code of the four display char- acters. The fifth register is the Control Word, which is used to blink, blank, clear, or dim ...

Page 10

*“Cursor”= all dots in ...

Page 11

How to Load Information Into the Display Information loaded into the display can be either ASCII data or Control Word data. The following procedure (see also Typical Loading Sequence) will demonstrate a typical loading sequence and the resulting visual display. ...

Page 12

Electrical and Mechanical Considerations The CMOS IC of the display is designed to provide resistance to both Electrostatic Discharge Damage and Latch Up due to voltage or current surges. Several precautions are strongly recommended to avoid overstressing these built-in safeguards. ...

Page 13

Revision History: 2006-01-23 Previous Version: 2004-12-09 Page Subjects (major changes since last revision) all Lead free device Attention please! The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to ...

Page 14

Post Solder Cleaning Procedures The least offensive cleaning solution is hot D.l. water (60 °C) for less than 15 minutes. Addition of mild saponifiers is acceptable. Do not use commercial dishwasher detergents. For faster cleaning, solvents may be used. Carefully ...

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