HDM20416L-S 20 Character x 4 Lines, Small Size, LED Backlight Dimensional Drawing 3.5 70.0±0.5 3.5 6.5 16-φ1.0 2.54x15=38.1 2.3 7.8 0.42 32.6 47.0±0.5 A 22.0 40.0±0.5 K 17.56 17.1 14.9 0.48 2.5 16 1 0.05 0.46 4.03 0.05 4-φ4.0 9.6 1.6 0.48 14.5 MAX 55.12 60.0 77.0 10.94 8.5 Dimension tolerance: +/-0.3mm Features Character Format .................................. 5x7 Dots with Cursor Backlight.............................................................................LED Options.......Gray STN/Yellow STN, 12 o’Clock/6 o’Clock View Normal/Extended Temperature Normal/Negative Displays Block Diagram D0 - D7 DRIVER 40 LCD E R/W RS VL VDD VSS Physical Data Module Size ...................................77.0W x 47.0H x 14.5T mm Viewing Area Size.......................................60.0W x 22.0H mm Weight.................................................................................60g 16 CONTROLLER HD44780 or EQUIVALENT COM K A 20 LCD PANEL 16 40 4 DRIVER 40 40 DRIVER DRIVER LED BACKLIGHT RESISTOR SUPPLIED BY USER Absolute Maximum Ratings PARAMETER SYMBOL SUPPLY VOLTAGE VDD-VSS SUPPLY VOLTAGE FOR LCD VDD-VL INPUT VOLTAGE VIN OPERATING TEMPERATURE TOP STORAGE TEMPERATURE TSTG MIN MAX 0 UNIT 7.0 V 0 13.0 V VSS VDD V 0 50 °C -20 70 °C Pin Connections PIN NO. SYMBOL LEVEL FUNCTION LED FORWARD CURRENT IF - 300 mA 1 LED REVERSE VOLTAGE VR - 8 V 2 VDD - 5V LED POWER CONSUMPTION PD - 1350 mW 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 Electrical Characteristics (VDD=5.0±0.25V 25°C) VSS - 0V Power supply CONDITION MIN TYP MAX UNIT 6 E H,H→L INPUT HIGH VOLTAGE VIH - 2.2 - - V 7 D0 H/L INPUT LOW VOLTAGE VIL - - - 0.6 V 8 D1 H/L OUTPUT HIGH VOLTAGE VOH IOH=0.2mA 2.4 - - V 9 D2 H/L OUTPUT LOW VOLTAGE VOL IOL=1.2mA - - 0.4 V 10 D3 H/L POWER SUPPLY CURRENT IDD VDD=5.0V 2.0 - - mA 11 D4 H/L POWER SUPPLY FOR LCD VDD-VL TA=25°C 4.3 - 4.7 V 12 D5 H/L LED FORWARD VOLTAGE VF IF=110mA 3.9 4.1 4.5 V 13 D6 H/L 14 D7 H/L BRIGHTNESS L IF=110mA 30 45 - NIT 15 A - Anode for LED backlight 16 K - Cathode for LED backlight PARAMETER DRIVE METHOD SYM 1/16 Duty Page 99 20 Data bus 4