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LCD20X4 - 20 x 4 Character LCD Display Technical Data - Buy LCD20X4

LCD20X4 - 20 x 4 Character LCD Display

arrowStandard 20x4 Character LCD

arrow20 Characters x 4 Lines

arrow5 x 8 Dots with Cursor

arrowBuilt in Controller (HD44780 or equivalent)

arrow+5V Power Supply

arrow1/16 Duty Circle

arrowReplaces Other Standard 20x4 LCD Dsiplays

Dimensional Drawing
Dimension Drawing

Dimension Drawing

Dimension Drawing

All Dimensions are Shown in Millimeters

Technical Data

Electrical Characteristics

Item Symbol Conditions Min Typ Max Units
Supply Voltage for LCD VDD-VO Ta=0°C,Ta=25°C,Ta=50°C   4.5   V
Input High Voltage Vih   2.2   VDD V
Input Low Voltage Vil   -0.3   0.6 V
Output High Voltage Voh   2.4     V
Output Low Voltage Vol       0.4 V
Supply Current Idd VDD=5V   2.5 4.0 mA


Absolute Maximum Ratings

Item Symbol Min Typ Max Units
Operating Temperature Top 0   +50 °C
Storage Temperature Tst -20   +70 °C
Input Voltage Vi Vss   Vdd V
Supply Voltage for Logic Vdd-Vss 2.7 5.0 5.5 V
Supply Voltage for LCD Vdd-Vo 3.0   13.0 V



Version T1 T2 Units
EL & No Backlight 6.5 7.5 mm
LED Backlight 9.3 14.0 mm


Interface Pin Connections

No. Symbol Level Function No. Symbol Level Function
1 Vss   GND (0V) 9 DB2 H/L Data Bit 2
2 Vdd   Vcc(+5V±5%) 10 DB3 H/L Data Bit 3
3 Vo   Contrast ADJ 11 DB4 H/L Data Bit 4
4 RS H/L Register Select 12 DB5 H/L Data Bit 5
5 R/W H/L Read/Write 13 DB6 H/L Data Bit 6
6 E H/L Enable Signal 14 DB7 H/L Data Bit 7
7 DB0 H/L Data Bit 0 15 NC   Not Connected
8 DB1 H/L Data Bit 1 16 NC   Not Connected


Display Character Address Code

Character Position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
DD RAM Address 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F 90 91 92 93
DD RAM Address C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF D0 D1 D2 D3
DD RAM Address 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F A0 A1 A2 A3 A4 A5 A6 A7
DD RAM Address D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF E0 E1 E2 E3 E4 E5 E6 E7

Technical Data

Data Sheet

LCD20X4 - Data Sheet for HD44780 HD44780 Datasheet

Application Notes


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