LCD Module

www.DataSheet4U.com First Edition Approved by Production Div. Aug 28, 1997 Checked by Quality Assurance Div. LCD Module Specification Final Revision Checked by Design Engineering Div. ******* Prepared by Type No. Production Div. DMC20434N Table of Contents 1. General Specifications.................................................................2 2. Electrical Specifications...............................................................3 3. Optical Specifications..................................................................5 4. I/O Terminal..............................................................................7 5. Test..........................................................................................9 6. Appearance Standards................................................................10 7. Code System of Production Lot................................................13 8. Type Number...........................................................................13 9. Applying Precautions................................................................13 10. Handling Precautions................................................................14 Revision History Rev. Date Page Comment XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 1/14 www.DataSheet4U.com 1. General Specifications Operating Temp. Storage Temp. Display Format Display Fonts Viewing Area Outline Dimensions Weight LCD Type : : : : : : : : min. 0˚C ~ max. 50˚C min. –20˚C ~ max. 70˚C 20 characters × 4 lines 5 × 8 dots ( 1 character ) 76.0 (W) × 25.2 (H) mm 98.5 (W) × 60.0 (H) × 11.0 max. (D) mm 65g max. NRD-7141 ( STN / Neutral-mode / Reflective ) 6:00 None Dimensional Outline UE-30371B Viewing Angle Backlight Drawings : : : XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 2/14 www.DataSheet4U.com 2. Electrical Specifications 2.1. Absolute Maximum Ratings VSS=0V Parameter Supply Voltage (Logic) Supply Voltage (LCD Drive) Input Voltage VI – -0.3 VCC+0.3 V VCC-VEE – 0 6.5 V Symbol VCC-VSS Conditions – Min. -0.3 Max. 6.5 Units V 2.2. DC Characteristics Ta=25˚C, VSS=0V Parameter Supply Voltage (Logic) Supply Voltage (LCD Drive) High Level Input Voltage Low Level Input Voltage High Level Output Voltage Low Level Output Voltage Supply Current ICC VCC-VSS=5.0V – 2.3 4.0 mA VOL IOL=1.2mA 0 – 0.4 V VOH IOH=-0.205mA 2.4 – VCC V VIL VCC=5.0V±10% 0 – 0.6 V VIH VCC=5.0V±10% 2.2 – VCC V VCC-VEE Shown in 3.1 V Symbol VCC-VSS Conditions – Min. 4.5 Typ. – Max. 5.5 Units V XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 3/14 www.DataSheet4U.com 2.3. AC Characteristics VCC=5.0V±10% Parameter Enable Cycle Time Enable Pulse Width Enable Rise/Fall Time Address Setup Time Address Hold Time Write Data Setup Time Write Data Hold Time Read Data Delay Time Read Data Hold Time VIH VIL Symbol Conditions Fig.1, 2 Fig.1, 2 Fig.1, 2 Fig.1, 2 Fig.1, 2 Fig.1 Fig.1 Fig.2 Fig.2 VIH VIL Min. 500 230 – 40 10 80 10 – 5 Max. – – 20 – – – – 160 – Units ns ns ns ns ns ns ns ns ns tCYC PWEH tEr, tEf tAS tAH tDSW tDHW tDDR tDHR RS tAS tAH R/W VIL PWEH VIL tE r E VIH VIL VIH tE f VIL VIL tDSW VIH VIL tDHW VIH VIL DB0~DB7 Valid Data tCYC Fig.1 Write Operation Timing VIH VIL VIH VIL RS tAS VIH tAH VIH R/W PWEH tE r E VIH VIL VIH tE f VIL VIL tDDR VOH VOL tDHR VOH VOL DB0~DB7 Valid Data tCYC Fig.2 Read Operation Timing XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 4/14 www.DataSheet4U.com 3. Optical Specifications 3.1. LCD Driving Voltage Parameter Recommended LCD Driving Voltage VCC-VEE Symbol Conditions Ta= 0˚C Ta=25˚C Min. – 4.2 Typ. – 4.5 Max. 5.2 4.8 Units V V Note 1 Ta=50˚C 4.0 – – V Note 1 : Voltage (Applied actual waveform to LCD Module) for the best contrast. The range of minimum and maximum shows tolerance of the operating voltage. The specified contrast ratio and response time are not guaranteed over the entire range. 3.2. Optical Characteristics Ta=25˚C, 1/16 Duty, 1/5 Bias, VD=4.5V (Note 4), θ= 0˚, φ= –˚ Parameter Contrast Ratio Viewing Angle Response Rise Note 2 TON – Note 1 Symbol CR Conditions θ= 0˚, φ= –˚ Min. – Typ. 4.5 Max. – Units Shown in 3.3 – 140 210 ms Time Decay Note 3 TOFF – – 180 270 ms Note 1 : Contrast ratio is definded as follows. CR = LOFF / LON LON : Luminance of the ON segments LOFF : Luminance of the OFF segments Note 2 : The time that the luminance level reaches 90% of the saturation level from 0% when ON signal is applied. Note 3 : The time that the luminance level reaches 10% of the saturation level from 100% when OFF signal is applied. Note 4 : Definition of Driving Voltage VD VD=VCC-VADJ-VBE Assuming that the typical driving waveforms shown below are applied to the LCD Panel at 1/A Duty - 1/B Bias ( A : Duty Number, B : Bias Number ). Driving voltage VD is definded as follows. VD = (Vth1+Vth2) / 2 Vth1 :The voltage VO-P that should provide 50% of the satulation level in the luminance at the segment which the ON signal is applied to. Vth2 :The voltage VO-P that should provide 50% of the satulation level in the luminance at the segment which the OFF signal is applied to. VO-P ( B-2 ) × VO-P / B 1 / ( fF × A ) 1 / fF (ON SIGNAL) (OFF SIGNAL) XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 5/14 www.DataSheet4U.com 3.3. Definition of Viewing Angle and Optimum Viewing Area •Point q shows the point where contrast ratio is measured. : θ= 0˚, φ= –˚ •Driving condition : 1/16 Duty, 1/5 Bias, VD=4.5V, fF=46.9Hz 90˚ 135˚ 45˚ φ θ 90˚ 180˚ 10 20 30 40 50 θ (φ= 0˚) φ 180˚ 0˚ 225˚ 270˚ 315˚ 270˚ •Area s h o w s t y p . C R ≥2 3.4. System Block Diagram Temperature Chamber Rotation Table (θ,φ) Photometer #1980A WB φ LCD Optical Fiber θ Computer Control Unit & Waveform Generator Halogen bulb XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 6/14 www.DataSheet4U.com 4. I/O Terminal 4.1. Pin Assignment No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Symbol VSS VCC VEE RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 Level – – – H/L H/L H/L H/L H/L H/L H/L H/L H/L H/L H/L Power Supply (0V, GND) Power Supply for Logic Power Supply for LCD Drive Register Select Signal Read/Write Select Signal H : Read L : Write Enable Signal (No pull-up Resister) Data Bus Line / Non-connection at 4-bit operation Data Bus Line / Non-connection at 4-bit operation Data Bus Line / Non-connection at 4-bit operation Data Bus Line / Non-connection at 4-bit operation Data Bus Line Data Bus Line Data Bus Line Data Bus Line Function 4.2. Example of Power Supply It is recommended to apply a potentiometer for the contrast adjust due to the tolerance of the driving voltage and its temperature dependence. VCC VR MODULE VSS VSS (0V) VCC (+Voltage) VEE VR=10~20 KΩ XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 7/14 www.DataSheet4U.com 4.3. Block Diagram DB7 DB0 E R/W RS 8 COM 16 LCDP 20 characters × 4 lines Control LSI HD44780 or equivalent SEG 40 SEG 160 4 Column Driver MSM5259 × 4 or equivalent VCC VSS Bias Circuit To LSI VEE XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 8/14 www.DataSheet4U.com 5. Test No change on display and in operation under the following test condition. No. 1 2 3 4 5 6 Parameter High Temperature Operating Low Temperature Operating High Temperature Storage Low Temperature Storage Damp Proof Test Vibration Test Conditions 50˚C±2˚C, 96hrs (operation state) 0˚C±2˚C, 96hrs (operation state) 70˚C±2˚C, 96hrs -20˚C±2˚C, 96hrs 40˚C±2˚C, 90~95%RH, 96hrs Total fixed amplitude : 1.5mm Vibration Frequency : 10~55Hz One cycle 60 seconds to 3 directions of X, Y, Z for each 15 minutes 7 Shock Test To be measured after dropping from 60cm high on the concrete surface in packing state. Dropping method corner dropping A corner : once Edge dropping C B,C,D edge : once Face dropping E,F,G face : once Notes 3 4 3, 4 3, 4 5 F E B G D A 60cm Concrete Surface Note 1 : Unless otherwise specified, tests will be conducted under the following condition. Temperature : 20±5˚C Humidity : 65±5% Note 2 : Unless otherwise specified, tests will be not conducted under functioning state. Note 3 : No dew condensation to be observed. Note 4 : The function test shall be conducted after 4 hours storage at the normal temperature and humidity after removed from the test chamber. Note 5 : Vibration test will be conducted to the product itself without putting it in a container. XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 9/14 www.DataSheet4U.com 6. Appearance Standards 6.1. Inspection conditions The LCD shall be inspected under 40W white fluorescent light. The distance between the eyes and the sample shall be more than 30cm. All directions for inspecting the sample should be within 45˚against perpendicular line. 45˚ 6.2. Definition of applicable Zones A Zone B Zone C Zone Bezel Flame A Zone : Active display area B Zone : Area from outside of "A Zone" to validity viewing area C Zone : Rest parts A Zone + B Zone = Validity viewing area XERTPO DMC20434N (AJ) No.97-0208 OPTREX CORPORATION Page 10/14 www.DataSheet4U.com 6.3. Standards No. 1 Parameter Black and White Spots, Foreign Substances Dimension (mm) D ≤ 0.1 0.1 < D ≤ 0.2 0.2 < D ≤ 0.3 0.3 < D D = ( Long + Short ) / 2 (2) Line Shape Zone X(mm) – 2.0≥L 1.0≥L 1.0≥L – Y(mm) 0.02≥W 0.03≥W 0.04≥W 0.05≥W 0.05