PD2435 OSRAM Opto Semiconductors Inc, PD2435 Datasheet

LED Displays 5x7 Hi-Eff Red 0.2 4-CHARACTER

PD2435

Manufacturer Part Number

PD2435

Description

LED Displays 5x7 Hi-Eff Red 0.2 4-CHARACTER

Manufacturer

OSRAM Opto Semiconductors Inc

Series

Alphanumeric Programmable Display™r

Datasheet

1.PD3535.pdf (14 pages)

Specifications of PD2435

Display Type

Dot Matrix

Emitting Color

Hi-Eff. Red

Number Of Digits

Digit Size (in)

.2in

Viewing Area Height (mm)

5.08mm

Viewing Area Length (mm)

3.56mm

Package Type

DIP

Operating Supply Voltage (min)

4.5V

Operating Supply Voltage (typ)

Operating Supply Voltage (max)

5.5V

Operating Temperature Classification

Industrial

Operating Temp Range

-40C to 85C

Mounting

Through Hole

Pin Count

Total Thickness (mm)

5.05mm

Opto Display Type

Panel

Pattern Type

Dot Matrix

Millicandela Rating

90µcd

Size / Dimension

1.00" L x 0.70" W x 0.20" H (25.40mm x 17.78mm x 5.08mm)

Color

Red

Configuration

5 x 7

Character Size

0.2 in

Illumination Color

High Efficiency Red

Wavelength

630 nm

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Luminous Intensity

90 ucd

Viewing Area (w X H)

3.56 mm x 5.08 mm

Lead Free Status / RoHS Status

Compliant

Voltage - Forward (vf) Typ

Internal Connection

Lead Free Status / Rohs Status

Details

Other names

Q68000A3561

Current page: 1 of 14
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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 PD2435

PD2435 Summary of contents

Page 1

... Built-in CMOS Control Functions PD353X 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° ...

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

... CLKSEL CLOCK SELECT determines the action of pin 2. CLK I/O, see the section on Cascading for an example. 4 RST Reset. Used to synchronize blinking. Will not clear the display. The reset pulse should be less than CE1 Chip enable (active high). 6 CE0 Chip enable (active low). ...

Page 8

... Input Buffering If a cable length of 6 inches or more is used, all inputs to the display should be buffered with a tri-state non-inverting buffer mounted as close to the display as conveniently possible. Recommended buffers are: 74LS245 for the data lines and 74LS244 for the control lines. ...

Page 9

... Digit 3 (leftmost) Bit D7 of any of the display digit locations is used to allow an at- tribute to be assigned to that digit. The attributes are discussed in the next section. If Bit D7 is set to a one, that character will be dis- played using the attribute. If bit D7 is cleared, the character will dis- play normally ...

Page 10

... Word bit D4 is set, and D3=D2=0) the character will remain in memory and can be revealed again by clearing D4 in the Control Word. Blink (D5): The entire display can be caused to blink at a rate of approximately 2 setting bit D5 in the Control Word. This blink- ing is independent of the state all character locations. ...

Page 11

... 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. The word STOP is used in all of the following examples. Set Brightness Step 1 ...

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. ESD Protection Display users should be careful to handle the devices consistent with Standard ESD protection procedures ...

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

... Plas- tic band-pass filters are inexpensive and effective in optimizing contrast ratios. The PD2435/3535/4435 is high efficiency red dis- play and should be matched with a long wavelength pass filter in the 570 nm to 590 nm range. The PD2436/3536/4436 is a stan- dard red display and should be matched with a long wavelength pass filter in the 600 nm to 620 nm range ...

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