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1.2 INCH (30.5mm) 5 X 7
DOT MATRIX STICK DISPLAY
Superbright Red GMA8275C
Superbright Red GMC8275C
PACKAGE DIMENSIONS DESCRIPTION
The GMX8275C is a 5 X 7, Superbright
red dot matrix display. Populated with
GaAlAs/GaAs Single Hetero Junction
LEDs, it has a grey face with white
segment color.
FEATURES
1.2" ( 30.5mm) character height.
Low power requirement.
Wide 130 degree viewing angle.
High brightness and contrast
5 X 7 array with X-Y select.
X-Y stackable.
Easy mounting on P.C. board.
NOTE: Dimensions are in mm (inch).
Tolerances are ± 0.25 (0.1) unless otherwise noted.
All pins are 0.5 (.02).
MODEL NUMBERS
Part Number
GMA8275C AlGaAs Red Common anode row.
GMC8275C AlGaAs Red Common cathode row.
(For other color options, contact your local area Sales Office)
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Colour Description
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1.2 INCH (30.5mm) 5 X 7
DOT MATRIX STICK DISPLAY
ABSOLUTE MAXIMUM RATING (T = 25°C unless otherwise specified)
A
Superbright Red Units
Peak forward current per segment 200 mA
(Duty cycle 1/10, 10KHz)
Continous IF per segment 30 mA
Power dissipation per segment 100* mW
*Derate linearly from 25°C 0.5 mW/°C
Reverse voltage VR per segment 5 Volts
Operating and storage temperature range......................................................-25°C to +85°C
Soldering time at 260°C....................................................................................................3 sec
(1/16" below seating plane)
ELECTRO - OPTICAL CHARACTERISTICS (T = 25°C unless otherwise specified)
A
Test
Superbright Red Condition
Luminous Intensity/Dot
Digit average (Typical) 5000ucd I = 20mA
Forward voltage (V )
F
typical 1.8V I = 20 mA
maximum 2.5V I = 20 mA
Peak wavelength (nm) 660nm I = 20 mA
Spectral line half width (nm) 20nm I = 20mA
Reverse breakdown voltage V 5V I = 100uA
R R
F
F
F
F
F
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1.2 INCH (30.5mm) 5 X 7
DOT MATRIX STICK DISPLAY
PIN CONNECTION:
GMA8275C
Pin Number Function Pin Number Function
1 Anode Row 5 8 Anode Row 3
2 Anode Row 7 9 Anode Row 1
3 Cathode Column 2 10 Cathode Column 4
4 Cathode Column 3 11 Cathode Column 3
5 Anode Row 4 12 Anode Row 4
6 Cathode Column 5 13 Cathode Column 1
7 Anode Row 6 14 Anode Row 2
GMC8275C
Pin Number Function Pin Number Function
1 Cathode Row 5 8 Cathode Row 3
2 Cathode Row 7 9 Cathode Row 1
3 Anode Column 2 10 Anode Column 4
4 Anode Column 3 11 Anode Column 3
5 Cathode Row 1 12 Cathode Row 4
6 Anode Column 5 13 Anode Column 1
7 Cathode Row 6 14 Cathode Row 2
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SCHEMATIC:
1.2 INCH (30.5mm) 5 X 7
DOT MATRIX STICK DISPLAY
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GRAPHICAL DETAIL: AlGaAs Red (T = 25°C unless otherwise specified)
A
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DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO
ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME
ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;
NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com © 2000 Fairchild Semiconductor Corporation
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