HDM20416L-M 20 Character x 4 Lines, Large Character, LED Backlight Dimensional Drawing 146.0±0.5 4-Ø2.5 139.0 18.0 p2.54*17=43.18 18-Ø1.0 4.84 2.5 4.75 3.5 1.16 0.92 18 32.25 1 1.1 5.0 62.5±0.5 9.22 29.0 38.47 55.5 43.0 K 55.0 0.06 0.06 3.5 A 118.84 123.5 134.0 1.6 PARTS AREA Dimension tolerance: +/-0.3mm Features Character Format .......................................5x7 Dots with Cursor Backlight................................................................................LED Options....TN/Gray STN/Yellow STN, 12 o’Clock/6 o’Clock View Normal/Extended Temperature Normal/Negative Displays Block Diagram D0 - D7 LCD E R/W RS VL VDD VSS K A VEE Physical Data Module Size...................................146.0W x 62.5H x 13.6T mm Viewing Area Size.......................................123.5W x 43.0H mm Weight...................................................................................40g Absolute Maximum Ratings PARAMETER SYMBOL MIN MAX VDD-VSS 0 7.0 V SUPPLY VOLTAGE FOR LCD VDD-VL 0 13.5 V INPUT VOLTAGE VIN VSS VDD V OPERATING TEMPERATURE TOP 0 50 °C STORAGE TEMPERATURE TSTG -20 70 °C LED FORWARD CURRENT IF - 1925 mA LED REVERSE VOLTAGE VR - 8 V LED POWER CONSUMPTION PD - 8850 mW CONDITION MIN TYP MAX 16 SEG 40 LCD PANEL HD66730 or EQUIVALENT 4 160 DRIVER X2 LED BACKLIGHT RESISTOR SUPPLIED BY USER NEGATIVE VOLTAGE GENERATOR Pin Connections Electrical Characteristics (VDD=5.0±0.25V 25°C) SYM COM CONTROLLER UNIT SUPPLY VOLTAGE PARAMETER 13.6 MAX 9.0 0.53 73.0 UNIT PIN NO. SYMBOL LEVEL FUNCTION 1 VSS - 0V 2 VDD - 5V 3 VL - - 4 RS H/L H: Data input L: Instruction data input 5 R/W H/L H: Data read L: Data write 6 E H,H→L Enable signal 7 D0 H/L Power supply INPUT HIGH VOLTAGE VIH - 2.2 - - V 8 D1 H/L INPUT LOW VOLTAGE VIL - - - 0.6 V 9 D2 H/L OUTPUT HIGH VOLTAGE VOH IOH=0.2mA 2.4 - - V 10 D3 H/L OUTPUT LOW VOLTAGE VOL IOL=1.2mA - - 0.4 V 11 D4 H/L POWER SUPPLY CURRENT IDD VDD=5.0V - 1.2 2.4 mA 12 D5 H/L POWER SUPPLY FOR LCD VDD-VL TA=25°C 4.3 - 4.7 V 13 D6 H/L LED FORWARD VOLTAGE VF IF =770mA 3.9 4.2 4.5 V 14 D7 H/L 15 A - Anode for LED backlight BRIGHTNESS L IF =770mA - 250 - cd/m 2 16 K - Cathode fro LED backlight 17 VEE OUTPUT# Negative voltage output 18 N/C DRIVE METHOD 1/16 Duty # Has built-in inverter for negative power supply Page 101 Data bus