HDM20216L-L 20 Character x 2 Lines, Large Character, LED Backlight Dimensional Drawing 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 Physical Data Module Size...................................146.0W x 43.0H x 14.5T mm Viewing Area Size.......................................123.0W x 23.0H mm Weight...................................................................................81g PARAMETER SYMBOL MIN MAX 0 6.5 SUPPLY VOLTAGE FOR LCD VDD -VL 0 13.5 V INPUT VOLTAGE VIN -0.3 VDD V OPERATING TEMPERATURE TOP 0 50 °C STORAGE TEMPERATURE TSTG -20 70 °C SYM HD44780 or CONDITION MIN TYP 4 DRIVER X2 LED BACKLIGHT RESISTOR SUPPLIED BY USER Pin Connections PIN NO. MAX UNIT 1 SYMBOL LEVEL FUNCTION 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 Enable signal INPUT HIGH VOLTAGE VIH - 2.2 - - V 6 E H,H→L VIL - - - 0.6 V 7 D0 H/L OUTPUT HIGH VOLTAGE VOH IOH=0.2mA 2.4 - - V 8 D1 H/L OUTPUT LOW VOLTAGE VOL IOL=1.2mA - - 0.4 V 9 D2 H/L POWER SUPPLY CURRENT IDD VDD=5.0V - - 2.0 mA 10 D3 H/L POWER SUPPLY FOR LCD VDD -VL TA=25°C 4.3 4.7 5.1 V 11 D4 H/L 12 D5 H/L LED FORWARD VOLTAGE VF IF=240mA 3.9 H/L LED FORWARD CURRENT IF VF=5.0V, RBL=3.3 ohm 1/16 Duty 60 EQUIVALENT INPUT LOW VOLTAGE DRIVE METHOD 40 V Electrical Characteristics (VDD=5.0±0.25V 25°C) PARAMETER SEG LCD PANEL UNIT VDD -VSS SUPPLY VOLTAGE 16 CONTROLLER K A Absolute Maximum Ratings COM Power supply Data bus 4.2 4.5 V 13 D6 240 - mA 14 D7 H/L 15 A Anode connection for LED backlight 16 K Cathode connection for LED backlight Page 78