Dimensions Inches (mm) 0.784 (19.91) SCDV554X OSRAM YYWW 0.188 (4.78)
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STANDARD SCDV5540 YELLOW SCDV5541 HIGH EFFICIENCY SCDV5542 GREEN SCDV5543 HIGH EFFICIENCY GREEN SCDV5544 Vertical Format 0.123" 4-Character Matrix Serial Input Addressable Intelligent Display® Devices
Dimensions Inches (mm) 0.784 (19.91) SCDV554X OSRAM YYWW 0.188 (4.78)
0.100 (2.54) non-cum. plcs.
0.150 (3.81) 0.200 (5.08)
0.400 ±.015 (10.16 ±.38)
0.160 (4.06) ±.020 (0.51) Dimension Seating Plane Display matrix pins centered package outline. Display matrix centered array. Tolerance: .XXX= ±.010 (.25)
FEATURES Vertical Format, Four 0.123" (3.12 Matrix Characters Red, Yellow, High Efficiency Red, Green, High Efficiency Green Optimum Display Surface Efficiency (display area package ratio) High Speed Data Input Rate: ROMless Serial Input, Addressable Display Ideal User Defined Characters Built-in Decoders, Multiplexers Drivers Readable from Feet (1.8 meters) Wide Viewing Angle, Axis ±55°, Axis ±55° Attributes: User Defined Characters Eight Dimming Levels Power Down Model (<250 Hardware/Software Clear Functions Lamp Test Internal External Clock Capability
0.300 (7.62) ±.020 (0.51)
DESCRIPTION SCDV5540 (Red), SCDV5541 (Yellow), SCDV5542 (High Efficiency Red), SCDV5543 (Green), SCDV5544 (High Efficiency Green) four digit, addressable matrix, serial input, alphanumeric Intelligent Display devices vertical format. four digits packaged rugged, high quality, optically transparent, plastic with 0.3" spacing. on-board CMOS RAM, associated with LED, each generate User Defined Characters. Power Down Mode, quiescent current SCDV554X designed work with serial port most common microprocessors. Data transferred into display through Serial Data Input (DATA), clocked Serial Data Clock (SDCLK), enabled Load Input (LOAD).
2000 Infineon Technologies Corp. Optoelectronics Division Jose, www.infineon.com/opto 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH Regensburg, Germany www.osram-os.com +49-941-202-7178
March 2000-21
DESCRIPTION (continued) Clock (CLK I/O) Clock Select (CLKSEL) pins offer user capability supply high speed external multiplex clock. This feature minimize audio in-band interference portable communication equipment eliminate visual synchronization effects found high vibration environments such avionics equipment. Maximum Ratings Supply Voltage -0.5 +7.0 Input Voltage Levels Relative Ground -0.5 +0.5 Operating Temperature +85°C Storage Temperature. -40°C +100°C Maximum Solder Temperature 0.063" below Seating Plane, t<5.0 260°C Relative Humidity 85°C .85% Maximum Number LEDs 100% Brightness. Maximum Power Dissipation .0.65 (100 Maximum Input Current ±100 Figure Timing Diagram-Data Write Cycle
LOAD
Figure View
Character
Character
DATA
TLDH
SDCLK SDCW SDCLK
Figure Timing Diagram-Instruction Cycle
LOAD
SDCLK
DATA
LOAD
SDCLK
DATA
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SCDV5540/1/2/3/4
March 2000-21
Electrical Characteristics (over operating temperature) Parameter (Pwr Mode) digits dots/character Input current Input current (CLK I/O) (CLK I/O) JC-PIN Fext External Clock Input Frequency Fosc Internal Clock Input Frequency Clock Loading Clock Rise Time Clock Fall Time Digit Min. Typ. -8.9 Max. 1086 Units °C/W Conditions VCC=5.0 inputs=0 VCC=5.0 displayed digits 100% brightness 25°C VCC=5.0 VIN=0 (all inputs) VCC=VIN=5.0 (all inputs) VCC=4.5 VCC=4.5 VCC=4.5 VOH=2.4 VCC=4.5 VOL=0.4 VCC=5.0 CLKSEL=0 VCC=5.0 CLKSEL=1 VCC=4.5 VOH=2.4 VCC=4.5 VOH=0.4
Notes: Peak current Unused inputs must tied high. Contact Infineon volt operation. External oscillator must stopped being used maintain
Input/Output Circuits Figures show input output resistor/diode networks used protection eliminate substrate latch-up caused input voltage over/under shoot. Figure Inputs
input
Figure Clock
input/output
2000 Infineon Technologies Corp. Optoelectronics Division Jose, www.infineon.com/opto 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH Regensburg, Germany www.osram-os.com +49-941-202-7178 SCDV5540/1/2/3/4
March 2000-21
Optical Characteristics 25°C (VCC=5.0 100% brightness level, viewing angle: axis ±55°, axis ±65°) SCDV5540 Description Luminous Intensity Character Average displayed digits) Peak Wavelength Dominant Wavelength Yellow SCDV5541 Description Luminous Intensity Character Average displayed digits) Peak Wavelength Dominant Wavelength High Efficiency SCDV5542 Description Luminous Intensity Character Average displayed digits) Peak Wavelength Dominant Wavelength Green SCDV5543 Description Luminous Intensity Character Average displayed digits) Peak Wavelength Dominant Wavelength High Efficiency Green SCDV5544 Description Luminous Intensity Character Average displayed digits) Peak Wavelength Dominant Wavelength Symbol
peak
Symbol
peak
Min. 0.48
Typ.
Units
Symbol
peak
Min.
Typ.
Units
Symbol
peak
Min.
Typ.
Units
Symbol
peak
Min.
Typ.
Units
Min.
Typ.
Units
Notes: intensity matching 100% brightness 1.8:1. Displays binned intervals. Displays within given intensity category have intensity matching 1.5:1 (max.).
2000 Infineon Technologies Corp. Optoelectronics Division Jose, www.infineon.com/opto 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH Regensburg, Germany www.osram-os.com +49-941-202-7178
SCDV5540/1/2/3/4
March 2000-21
Assignment Function SDCLK LOAD Function DATA CLKSEL
Definitions Function SDCLK Definitions Loads data into 8-bit serial data register high transition. input enables data clocking into 8-bit serial shift register. When LOAD goes high, contents 8-bit serial Shift Register will decoded. Asynchronous input, when will clear Multiplex Counter, User Data Register. Control Word Register 100% brightness Address Register select Digit display blanked. Power supply ground Outputs master clock inputs external clock. H=internal clock, L=external clock Power supply Power supply Power supply Serial data input Power supply ground
LOAD
Switching Specifications (over operating temperature range VCC=4.5 Symbol TLDS TSDCLK TSDCW TLDH Description Reset Active Time Load Setup Time Data Setup Time Clock Period Clock Width Load Hold Time Data Hold Time Total Write Time Time Between Loads Min. Units
CLKSEL DATA
Note: TSDCW minimum time SDCLK high. SDCLK period must minimum
Figure Matrix Format
0.095 (2.41)
Display Column Format
0.028 (0.71)
1=Display "On" 0=Display "Off'
0.123 (3.12)
Column Data Ranges
0.021 (0.53)
Dimensions inches (mm) Tolerance: .XXX=±.010 (.25)
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SCDV5540/1/2/3/4
March 2000-21
Operation SCDV554X SCDV554X display consists CMOS containing control logic drivers four characters. These components assembled compact plastic package. Individual addressablity allows user great freedom creating special characters mini-icons. User Definable Character examples illustrate different character symbol possibilities. serial data interface provides highly efficient interconnection between display mother board. SCDV554X requires only four lines compared equivalent four character parallel input part. Figure SCDV554X Block Diagram on-board CMOS electronic heart display. accepts decoded serial data, which stored internal RAM. Asynchronously read character multiplexer strobe rate that results flicker free display. Figure shows three functional areas These include: input serial data register control logic, bits port RAM, internal multiplexer/display driver.
Characters Decoder Driver
Column Logic Driver Counter Chain Timing Logic Brightness Lamp Test Oscillator Power Down
Clock RESET
Serial Data Serial Data Clock OPCODE Load OPCODE Decode DATA Character Address Register
Display Multiplexer
WRITE Character Address Decode
Control Word Address Register
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Software Clear
Column Output
SCDV5540/1/2/3/4 March 2000-21
Bits WRITE READ
following explains format serial data loaded into display. user supplies string mapped decoded characters. contents this string shown Figure Figure shows that each character consists words. first word encodes display character location succeeding five bytes data. data represents status (On, Off) individual column LEDs. Figure shows that each that each word formatted include three Operational Code (OPCODE) defined bits D7-D5 five bits (D4-D0) representing Column Data, Character Address, Control Word Data. Figure shows sequence loading bytes data. Bringing LOAD line enables serial register accept data. shift action occurs high transition serial data clock (SDCLK). least significant (D0) loaded first. After eight clock pulses LOAD line brought high. With this transition OPCODE decoded. decoded OPCODE directs D4-D0 latched Character Address register, stored Column data, latched Control Word register. control requires minimum delay between successive byte loads. indicated Figure total bits data required load eight characters into display. Figure Loading Serial Character Data
Character Address Register bits, D4-D0 (Table Address Register bits, D7-D5 (Table direct Column Data bits, D4-D0 (Table specific location. Table shows Address example character "D." Column data written read asynchronously from RAM. Once loaded internal oscillator character multiplexer reads data from RAM. These characters strobed with column data shown Figures character strobe rate determined internal user supplied external Clock IC's counter. Table Character code Column Data
Example: Serial Clock 5MHz, Clock Period 200ns
Clock Cycles, 52.8
Character
Character
Character
Character
Clock Cycles, 13.2µs
Character Address
Column Data
Column Data
Column Data
Column Data
Column Data
Clock Cycles, 2.2µs Character Address OPCODE Time Between Loads 600ns(min)
Clock Cycles, 2.2µs Column Data OPCODE Time Between Loads 600ns(min)
LOAD
Serial Clock DATA
Clock Period
Time between LOADS
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SCDV5540/1/2/3/4
March 2000-21
Table Load Character Address code Character Address Operation Load Character Character Character Character
SCDV554X offers unique Display Power Down feature which reduces less than When FFHEX loaded (Table display brightness internal multiplex clock stopped. When Power Down mode data still written into RAM. display reactivated loading rightness Level Control Word into display. Table Power Down code Control Word Operation Level brightness
Table Load Column Data code Column Data Operation Load
Lamp Test enabled loading HEX, Table into serial shift register. This Control Word sets LEDs brightness level. Operation Lamp Test affect cleared loading Brightness Control Word. Table Lamp Test code Control Word Operation Level Lamp Test (OFF) Lamp Test (ON)
user activate four Control functions. These include: Brightness Level, Lamp Test, Power Down, Display Clear. OPCODEs five words used initiate these functions. OPCODEs Control Words Character Address Loading Column Data shown Tables user select seven specific brightness levels, Table These brightness levels percentages full brightness display) include: 100% HEX), (F1HEX), (F2HEX), (F3HEX), (F4HEX), (F5HEX), 6.6% (F6HEX). brightness levels controlled changing duty factor strobe pulse. Table Display Brightness code Control Word Operation Level 100% 6.6%
Software Clear HEX), given Table clears Address Register RAM. display blanked Character Address Register will Character internal counter Control Word Register unaffected. Software Clear will remain active until next data input cycle initiated. Table Software Clear code Control Word Operation Level CLEAR
Figure Column Locations
Columns
Previously "on"
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SCDV5540/1/2/3/4
March 2000-21
Figure Strobing
LOAD
LOAD
LOAD
Column Column Column Column Column
LOAD
Column Column Column Column Column
LOAD
LOAD
Column Column Column Column Column
Column Column Column Column Column
Multiplexer Display Driver four characters multiplexed with resident column data. strobe rate established internal external Clock rate. Clock frequency divided counter chain. This results typical strobe rate pulling Clock line low, display operated from external Clock. external clock attached connection (pin maximum external Clock frequency should limited MHz. asynchronous hardware Reset also provided. Bringing this will clear Character Address Register, Control Word Register, RAM, blanks display. This action leaves display Character Address Brightness Level 100%. Electrical Mechanical Considerations Interconnect Considerations Optimum product performance when following electrical mechanical recommendations adopted. SCDV554X's constructed high speed CMOS process, consequently high speed noise SERIAL DATA, SERIAL DATA CLOCK, LOAD RESET lines cause incorrect data written into serial shift register. Adhere transmission line termination procedures when using fast line drivers long cables (>10 cm). Good digital grounds (pins power supply decoupling (pins will insure that (<400 peak) switching currents generate localized ground bounce. Therefore recommended that each display package capacitor between ground. When internal Clock being used connect CLKSEL VCC. those applications where RESET will connected system's reset control, recommended that this connected center node series 0.1, network. Thus upon initial power RESET will held allowing adequate time system power supply stabilize. Protection input protection structure SCDV5540/1/2/3/4 provides significant protection against damage. capable withstanding discharges greater than Take standard precautions, normal CMOS components. These include properly grounding personnel, tools, tables, transport carriers that come contact with unshielded parts. these conditions not, cannot met, keep leads device shorted together parts anti-static packaging. Soldering Considerations SCDV5540/1/2/3/4 hand soldered with SN63 solder using grounded iron 260°C. Wave soldering also possible following these conditions: Preheat that does exceed 93°C solder side board package surface temperature 85°C. Water soluble organic acid flux (except carboxylic acid) rosin-based flux without alcohol used. Wave temperature 245°C ±5°C with dwell between sec. sec. Exposure wave should exceed temperatures above 260°C five seconds 0.063" below seating plane. packages should immersed wave. Post Solder Cleaning Procedures least offensive cleaning solution D.I. water (60°C) less than minutes. Addition mild saponifiers acceptable. commercial dishwasher detergents. faster cleaning, solvents used. Exercise care choosing solvents some chemically attack nylon package. further information refer Appnotes www.infineon.com/opto. Appnote Table "Displays- Group SCDV554X. alternative soldering cleaning display modules sockets. Naturally, sockets .300" wide with .100" centers work well single displays. Multiple display assemblies best handled longer sockets sockets when available uniform package alignment. Socket manufacturers Aries Electronics, Inc., Frenchtown, Garry Manufacturing, Brunswick, Robinson-Nugent, Albany, Samtec Electronic Hardward, Albany, further information refer Appnote www.infineon.com/opto.
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Column Column Column Column Column
SCDV5540/1/2/3/4 March 2000-21
Optical Considerations 0.123" high character SCDV554X gives readability five feet. Proper filter selection enhances readability over this distance. Using filters emphasizes contrast ratio between character background. This will increase discrimination different characters. only limitation cost. Take into consideration ambient lighting environment best cost/benefit ratio filters. Incandescent (with almost green) fluorescent (with almost red) lights have flat spectral response sunlight. Plastic band-pass filters inexpensive effective strengthen contrast ratios. SCDV5540/2 red/high efficiency displays should matched with long wavelength pass filter range. SCDV5543/4 should matched with yellow-green bandpass filter that peaks displays multiple colors, neutral density grey filters offer best compromise. Additional contrast enhancement gained shading displays. Plastic band-pass filters with built-in louvers offer next step contrast improvement. Plastic filters improved further with anti-reflective coatings reduce glare. trade-off fuzzy characters. Mounting filters close display reduces this effect. Take care overheat plastic filter allowing proper flow. Optimal filter enhancements gained using circular polarized, anti-reflective, band-pass filters. circular polarizing further enhances contrast reducing light that travels through filter reflects back display less than Several filter manufacturers supply quality filter materials. Some them are: Panelgraphic Corporation, Caldwell, Homalite, Wilmington, Company, Visual Products Division, Paul, Polaroid Corporation, Polarizer Division, Cambridge, Marks Polarized Corporation, Deer Park, Hoya Optics, Inc., Fremont, last note mounting filters: recessing displays bezel assemblies inexpensive provide shading effect overhead lighting situations. Several Bezel manufacturers are: R.M.F. Products, Batavia, Nobex Components, Griffith Plastic Corp., Burlingame, Photo Chemical Products California, Santa Monica, I.E.E.-Atlas, Nuys,
Figure SCDV Interface Siemens/Intel 8031 Microprocessor (using serial port mode
SDCLK DATA
XTAL2
XTAL1 8031 P3.7 P3.3 P3.4
Figure SCDV Interface Siemens/Intel 8031 Microprocessor (using parallel port serial input)
P3.0 XTAL2 P3.1 P3.6 XTAL1 P1.0 P0.0 SDCLK DATA
8031
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SCDV5540/1/2/3/4
March 2000-21
Microprocessor Interface microprocessor interface through serial port, port eight data bits eight parallel port also control lines SDCLK LOAD. Power Sequence Upon power display will come random. Thus display should reset power-up. reset will Address Register Digit User (display blank) Control Word (100% brightness with Lamp Test off) internal counters reset. Cascading Multiple Displays Multiple displays cascaded using CLKSEL pins shown below. display designated Master Clock source should have CLKSEL tied high slaves should have their CLKSEL pins tied low. pins should tied together. display drive slave I/Os. synchronize display counters. Figure SCDV554X Interface with Motorola 68HC05C4 Microprocessor (using port)
OSC1 SCLK MOSI SDCLK DATA
OSC2
68HC05C4
Figure Cascading Multiple Displays
DATA DATA SDCLK Chip Address Decoder
Address Decode 1-14
SDCLK
LOAD
Intelligent Display
more displays between
LOAD
Intelligent Display DATA SDCLK
2000 Infineon Technologies Corp. Optoelectronics Division Jose, www.infineon.com/opto 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH Regensburg, Germany www.osram-os.com +49-941-202-7178
SCDV5540/1/2/3/4
March 2000-21
Loading Data into Display following procedure load data into display: Power display. Bring (600 duration minimum) clear Multiplex Counter, Address Register, Control Word Register, User Data Register. display will blank. Display brightness 100%. different brightness desired, load proper brightness opcode into Control Word Register. Load Digit Address into display. Load display column data selected digit. Repeat steps digits. Data Contents Display Vertical Format "AB"
Step (optional) Function CLEAR BRIGHTNESS SELECT DIGIT SELECT DIGIT SELECT DIGIT SELECT DIGIT SELECT
Note: display already reset Power there need Software Clear.
2000 Infineon Technologies Corp. Optoelectronics Division Jose, www.infineon.com/opto 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH Regensburg, Germany www.osram-os.com +49-941-202-7178
SCDV5540/1/2/3/4
March 2000-21
User Definable Character Examples* Upper Lower Case Alphabets
CODE CODE CODE CODE CODE CODE CODE CODE CODE
Numerals Punctuation
CODE CODE CODE CODE CODE CODE CODE CODE CODE
*CAUTION: more than LEDs "on" time 100% brightness.
2000 Infineon Technologies Corp. Optoelectronics Division Jose, www.infineon.com/opto 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH Regensburg, Germany www.osram-os.com +49-941-202-7178
SCDV5540/1/2/3/4
March 2000-21
User Definable Character Examples* (continued) Scientific Notations, etc.
CODE CODE CODE CODE CODE CODE CODE CODE CODE
Foreign Characters
CODE CODE CODE CODE CODE CODE CODE CODE CODE
*CAUTION: more than LEDs "on" time 100% brightness.
2000 Infineon Technologies Corp. Optoelectronics Division Jose, www.infineon.com/opto 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH Regensburg, Germany www.osram-os.com +49-941-202-7178 SCDV5540/1/2/3/4
March 2000-21
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