DISPLAY Elektronik GmbH LCD MODULE DEM 20486 SYH-LY Product Specification Version: 5 02.01.
GENERAL SPECIFICATION MODULE NO. : DEM 20486 SYH-LY CUSTOMER P/N Version No. Change Description Date 0 Original Version 11.01.2001 1 Change IC 04.12.2007 2 07.07.2007 4 Update PCB Description Change The Value Of Bias Resistor Add Version 5 Change the Maximum Values 02.01.2018 3 18.03.2010 27.03.2017 PREPARED BY: PS DATE: 02.01.2018 APPROVED BY: MH DATE: 02.01.
CONTENTS 1. FUNCTIONS & FEATURES ------------------------------------------------------------------------------------------------------------- 2 2. MECHANICAL SPECIFICATIONS---------------------------------------------------------------------------------------------------- 2 3. EXTERNAL DIMENSIONS ( UNIT: MM) ----------------------------------------------------------------------------------- 3 5.
DEM 20486 SYH-LY Product Specification 1. FUNCTIONS & FEATURES Module Name DEM 20486 SYH-LY LCD Type STN Yellow Green Transflective Positive Mode l l l l l l l Viewing Direction Driving Scheme Power Supply Voltage Backlight Color VLCD Adjustable For Best Contrast Display contents Internal Memory l l CGROM Interface : 6 O'clock : 1/16 Duty Cycle, 1/5 Bias : 5 Volt (typ.) : LED, Lightbox, Yellow Green : 4.5 Volt (typ.
DEM 20486 SYH-LY Product Specification 3. EXTERNAL DIMENSIONS ( unit: mm) 4.
DEM 20486 SYH-LY Product Specification 5. PIN ASSIGNMENT Pin No.
DEM 20486 SYH-LY Product Specification Description : 6-1-1.The polarity of the pin 15 and the pin 16 LED Polarity 15 Pin 16 Pin J3,J5 J2, J4 Each open Each closed Anode Cathode Each closed Each open Cathode Anode Note: on application module, J3=J5= 0 Ohm, J2=J4= open 6-1-2.The metal-bezel is set on GND when the J1= 0 Ω and the mounting holes are set on GND when J7= 0Ω Note: on application module, J1=J7= 0 Ohm 6-1-3.The LED resistor should can be bridged when the J6 is open.
DEM 20486 SYH-LY Product Specification 7. BACKLIGHT ELECTRICAL/OPTICAL SPECIFICATIONS 7.1 Absolute Maximum Ratings (Ta=25°C) Item Symbol Absolute Maximum Forward Ifm Current Peak Forward Current Ifp Reverse Voltage Vr Power Dissipation Pd 7.2 Electrical-Optical Characteristics (Ta=25°C) Item Symbol Min. Forward Voltage Vf 3.8 Reverse Current Ir Dominant Wavelength 569 λD Spectral Line Half Width Δλ Luminance Lv 7.
DEM 20486 SYH-LY Product Specification 8. DISPLAY DATA RAM (DDRAM) 9. MAXIMUM ABSOLUTE POWER LIMIT Item Symbol Standard value Unit Power Supply Voltage VDD -0.3~+6.0 V LCD Driver Voltage VLCD VDD-10.0~VDD+0.3 V Input Voltage VIN -0.3~VDD+0.
DEM 20486 SYH-LY Product Specification 10. ELECTRICAL CHARACTERISTICS 10-1-1 DC Characteristics(VDD=5.0V, Ta=-20°C ~ +70°C) Item Operating Voltage Supply Current LCD Driving Voltage Symbol VDD IDD VLCD MIN 4.5 ---3.0 Standard Value TYP 5 0.2 --- MAX 5.5 0.5 7.0 Test Condition ------VDD=5V,fosc=270kHz VDD-V5 Unit V mA V 10-2 AC Characteristics (VDD=5.
DEM 20486 SYH-LY Product Specification 10-2-2 Read Mode Characteristic Enable Cycle Time Enable Pulse Time Enable Rise/Fall Time Address Set-up Time Address Hold Time Data Set-up Time Data Hold Time Version: 5 Symbol tC TPW TR，TF TAS TAH TDDR TH Min 1200 480 --0 10 --10 Type --------------- Max ----25 ----320 --- Unit ns ns ns ns ns ns ns Test PIN E E E R/W,RS,E R/W,RS,E DB0~DB7 DB0~DB7 PAGE: 1
DEM 20486 SYH-LY Product Specification 11. CONTROL AND DISPLAY COMMAND Command RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Execution time (fosc=270KHz) clear Display L L L L L L L L L H 1.52ms Return home L L L L L L L L H --- 1.52ms Remark Write “20H” to DDRAM and set DDRAM address to “00H” from AC Set DDRAM address to "00H"from AC and return cursor to its original position if shifted.The contents of DDRAM are not changed.
DEM 20486 SYH-LY Product Specification 12. LCM INITIALIZING BY INSTRUCTION 12-1 8-Bit Interface Mode Power on Wait time > 40ms After VDD> 4.
DEM 20486 SYH-LY 12-2 Product Specification 4-Bit Interface Mode Power on Condition: fosc=270khz Wait time > 40ms After VDD> 4.
DEM 20486 SYH-LY Product Specification 13.
DEM 20486 SYH-LY Product Specification 14. QUALITY DESCRIPTION DEFECT SPECIFICATION: Specific type-related items are covered in this sheet. a: Table for Cosmetic defects (Note: nc = not counted). Sizes and number of defects (Max. Qty) Segment Deformation (Notched segments L L W W L L L W Line shape W d £ 150 nc 150< d £ 300 3 Black or White Spots L Black or White Lines L W Pinhole Max. Max. defect size [mm] d or L Quantity.
DEM 20486 SYH-LY Product Specification 15. THE MODULE ACCEPT QUALITY LEVEL (AQL) 15.1 AQL Standard Value: Critical Defect =0.1, Major Defect=0.65; Minor Defect =2.5. 15.2 Inspection Standard: MIL-STD-105E Table Normal Inspection Single Sampling Level II 16. RELIABILITY TEST Operating life time: 50,000 hours (at room temperature without direct irradiation of sunlight) Reliability characteristics shall meet following requirements.
DEM 20486 SYH-LY Product Specification 17. LCD MODULES HANDLING PRECAUTIONS n Please remove the protection foil of polarizer before using. n The display panel is made of glass. Do not subject it to a mechanical shock by dropping it from a high place, etc. n If the display panel is damaged and the liquid crystal substance inside it leaks out, do not get any in your mouth. If the substance come into contact with your skin or clothes promptly wash it off using soap and water.
